	#include "SQLiteQueryExecutor.h"			#include "SQLiteQueryExecutor.h"
	#include "Logger.h"			#include "Logger.h"
				#include "SQLiteSchema.h"
	#include "SQLiteUtils.h"			#include "SQLiteUtils.h"

	#include "../NativeModules/PersistentStorageUtilities/MessageOperationsUtilities/MessageTypeEnum.h"			#include "../NativeModules/PersistentStorageUtilities/MessageOperationsUtilities/MessageTypeEnum.h"
	#include "../NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadTypeEnum.h"			#include "../NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadTypeEnum.h"
	#include "entities/CommunityInfo.h"			#include "entities/CommunityInfo.h"
	#include "entities/EntityQueryHelpers.h"			#include "entities/EntityQueryHelpers.h"
	#include "entities/EntryInfo.h"			#include "entities/EntryInfo.h"
	#include "entities/IntegrityThreadHash.h"			#include "entities/IntegrityThreadHash.h"
	▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Lines
	};			};

	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	NativeSQLiteConnectionManager SQLiteQueryExecutor::connectionManager;			NativeSQLiteConnectionManager SQLiteQueryExecutor::connectionManager;
	#else			#else
	SQLiteConnectionManager SQLiteQueryExecutor::connectionManager;			SQLiteConnectionManager SQLiteQueryExecutor::connectionManager;
	#endif			#endif

	bool create_table(sqlite3 *db, std::string query, std::string tableName) {
	char *error;
	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);
	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating '" << tableName << "' table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_drafts_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS drafts (threadID TEXT UNIQUE PRIMARY KEY, "
	"text TEXT);";
	return create_table(db, query, "drafts");
	}

	bool rename_threadID_to_key(sqlite3 *db) {
	sqlite3_stmt *key_column_stmt;
	sqlite3_prepare_v2(
	db,
	"SELECT name AS col_name FROM pragma_table_xinfo ('drafts') WHERE "
	"col_name='key';",
	-1,
	&key_column_stmt,
	nullptr);
	sqlite3_step(key_column_stmt);

	auto num_bytes = sqlite3_column_bytes(key_column_stmt, 0);
	sqlite3_finalize(key_column_stmt);
	if (num_bytes) {
	return true;
	}

	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE drafts RENAME COLUMN `threadID` TO `key`;",
	nullptr,
	nullptr,
	&error);
	if (error) {
	std::ostringstream stringStream;
	stringStream << "Error occurred renaming threadID column in drafts table "
	<< "to key: " << error;
	Logger::log(stringStream.str());
	sqlite3_free(error);
	return false;
	}
	return true;
	}

	bool create_persist_account_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS olm_persist_account("
	"id INTEGER UNIQUE PRIMARY KEY NOT NULL, "
	"account_data TEXT NOT NULL);";
	return create_table(db, query, "olm_persist_account");
	}

	bool create_persist_sessions_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS olm_persist_sessions("
	"target_user_id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"session_data TEXT NOT NULL);";
	return create_table(db, query, "olm_persist_sessions");
	}

	bool drop_messages_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "DROP TABLE IF EXISTS messages;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error dropping 'messages' table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool recreate_messages_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS messages ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"local_id TEXT, "
	"thread TEXT NOT NULL, "
	"user TEXT NOT NULL, "
	"type INTEGER NOT NULL, "
	"future_type INTEGER, "
	"content TEXT, "
	"time INTEGER NOT NULL);";
	return create_table(db, query, "messages");
	}

	bool create_messages_idx_thread_time(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE INDEX IF NOT EXISTS messages_idx_thread_time "
	"ON messages (thread, time);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating (thread, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_messages_idx_target_message_type_time(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE messages "
	" ADD COLUMN target_message TEXT "
	" AS (IIF( "
	" JSON_VALID(content), "
	" JSON_EXTRACT(content, '$.targetMessageID'), "
	" NULL "
	" )); "
	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time "
	" ON messages (target_message, type, time);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream
	<< "Error creating (target_message, type, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool update_messages_idx_target_message_type_time(sqlite3 *db) {
	char *error;
	int sidebarSourceTypeInt = static_cast<int>(MessageType::SIDEBAR_SOURCE);
	std::string sidebarSourceType = std::to_string(sidebarSourceTypeInt);

	auto query =
	"DROP INDEX IF EXISTS messages_idx_target_message_type_time;"
	"ALTER TABLE messages DROP COLUMN target_message;"
	"ALTER TABLE messages "
	" ADD COLUMN target_message TEXT "
	" AS (IIF("
	" JSON_VALID(content),"
	" COALESCE("
	" JSON_EXTRACT(content, '$.targetMessageID'),"
	" IIF("
	" type = " +
	sidebarSourceType +
	" , JSON_EXTRACT(content, '$.id'),"
	" NULL"
	" )"
	" ),"
	" NULL"
	" ));"
	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time "
	" ON messages (target_message, type, time);";

	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream
	<< "Error creating (target_message, type, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_media_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS media ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"container TEXT NOT NULL, "
	"thread TEXT NOT NULL, "
	"uri TEXT NOT NULL, "
	"type TEXT NOT NULL, "
	"extras TEXT NOT NULL);";
	return create_table(db, query, "media");
	}

	bool create_media_idx_container(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE INDEX IF NOT EXISTS media_idx_container "
	"ON media (container);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating (container) index on media table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_threads_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS threads ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"type INTEGER NOT NULL, "
	"name TEXT, "
	"description TEXT, "
	"color TEXT NOT NULL, "
	"creation_time BIGINT NOT NULL, "
	"parent_thread_id TEXT, "
	"containing_thread_id TEXT, "
	"community TEXT, "
	"members TEXT NOT NULL, "
	"roles TEXT NOT NULL, "
	"current_user TEXT NOT NULL, "
	"source_message_id TEXT, "
	"replies_count INTEGER NOT NULL);";
	return create_table(db, query, "threads");
	}

	bool update_threadID_for_pending_threads_in_drafts(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"UPDATE drafts SET key = "
	"REPLACE(REPLACE(REPLACE(REPLACE(key, 'type4/', ''),"
	"'type5/', ''),'type6/', ''),'type7/', '')"
	"WHERE key LIKE 'pending/%'",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error update pending threadIDs on drafts table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool enable_write_ahead_logging_mode(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "PRAGMA journal_mode=wal;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error enabling write-ahead logging mode: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_metadata_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS metadata ( "
	"name TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"data TEXT);";
	return create_table(db, query, "metadata");
	}

	bool add_not_null_constraint_to_drafts(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE TABLE IF NOT EXISTS temporary_drafts ("
	"key TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"text TEXT NOT NULL);"
	"INSERT INTO temporary_drafts SELECT * FROM drafts "
	"WHERE key IS NOT NULL AND text IS NOT NULL;"
	"DROP TABLE drafts;"
	"ALTER TABLE temporary_drafts RENAME TO drafts;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding NOT NULL constraint to drafts table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_not_null_constraint_to_metadata(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE TABLE IF NOT EXISTS temporary_metadata ("
	"name TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"data TEXT NOT NULL);"
	"INSERT INTO temporary_metadata SELECT * FROM metadata "
	"WHERE data IS NOT NULL;"
	"DROP TABLE metadata;"
	"ALTER TABLE temporary_metadata RENAME TO metadata;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding NOT NULL constraint to metadata table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_avatar_column_to_threads_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads ADD COLUMN avatar TEXT;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding avatar column to threads table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_pinned_count_column_to_threads(sqlite3 *db) {
	sqlite3_stmt *pinned_column_stmt;
	sqlite3_prepare_v2(
	db,
	"SELECT name AS col_name FROM pragma_table_xinfo ('threads') WHERE "
	"col_name='pinned_count';",
	-1,
	&pinned_column_stmt,
	nullptr);
	sqlite3_step(pinned_column_stmt);

	auto num_bytes = sqlite3_column_bytes(pinned_column_stmt, 0);
	sqlite3_finalize(pinned_column_stmt);

	if (num_bytes) {
	return true;
	}

	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads ADD COLUMN pinned_count INTEGER NOT NULL DEFAULT 0;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding pinned_count column to threads table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_message_store_threads_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL,"
	" last_navigated_to BIGINT NOT NULL,"
	" last_pruned BIGINT NOT NULL"
	");";
	return create_table(db, query, "message_store_threads");
	}

	bool create_reports_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS reports ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" report TEXT NOT NULL"
	");";
	return create_table(db, query, "reports");
	}

	bool create_persist_storage_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS persist_storage ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" item TEXT NOT NULL"
	");";
	return create_table(db, query, "persist_storage");
	}

	bool recreate_message_store_threads_table(sqlite3 *db) {
	char *errMsg = 0;

	// 1. Create table without `last_navigated_to` or `last_pruned`.
	std::string create_new_table_query =
	"CREATE TABLE IF NOT EXISTS temp_message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL"
	");";

	if (sqlite3_exec(db, create_new_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error creating temp_message_store_threads: " + std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 2. Dump data from existing `message_store_threads` table into temp table.
	std::string copy_data_query =
	"INSERT INTO temp_message_store_threads (id, start_reached)"
	"SELECT id, start_reached FROM message_store_threads;";

	if (sqlite3_exec(db, copy_data_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error dumping data from existing message_store_threads to "
	"temp_message_store_threads: " +
	std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 3. Drop the existing `message_store_threads` table.
	std::string drop_old_table_query = "DROP TABLE message_store_threads;";

	if (sqlite3_exec(db, drop_old_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error dropping message_store_threads table: " + std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 4. Rename the temp table back to `message_store_threads`.
	std::string rename_table_query =
	"ALTER TABLE temp_message_store_threads RENAME TO message_store_threads;";

	if (sqlite3_exec(db, rename_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error renaming temp_message_store_threads to message_store_threads: " +
	std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	return true;
	}

	bool create_users_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" user_info TEXT NOT NULL"
	");";
	return create_table(db, query, "users");
	}

	bool create_keyservers_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS keyservers ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");";
	return create_table(db, query, "keyservers");
	}

	bool enable_rollback_journal_mode(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "PRAGMA journal_mode=DELETE;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::stringstream error_message;
	error_message << "Error disabling write-ahead logging mode: " << error;
	Logger::log(error_message.str());
	sqlite3_free(error);
	return false;
	}

	bool create_communities_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS communities ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" community_info TEXT NOT NULL"
	");";
	return create_table(db, query, "communities");
	}

	bool create_messages_to_device_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS messages_to_device ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE INDEX IF NOT EXISTS messages_to_device_idx_id_timestamp"
	" ON messages_to_device (device_id, timestamp);";

	return create_table(db, query, "messages_to_device");
	}

	bool create_integrity_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS integrity_store ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_hash TEXT NOT NULL"
	");";
	return create_table(db, query, "integrity_store");
	}

	bool create_synced_metadata_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS synced_metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");";
	return create_table(db, query, "synced_metadata");
	}

	bool create_keyservers_synced(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS keyservers_synced ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");";
	bool success = create_table(db, query, "keyservers_synced");
	if (!success) {
	return false;
	}

	std::string copyData =
	"INSERT INTO keyservers_synced (id, keyserver_info)"
	"SELECT id, keyserver_info "
	"FROM keyservers;";

	char *error;
	sqlite3_exec(db, copyData.c_str(), nullptr, nullptr, &error);
	if (error) {
	return false;
	}

	return true;
	}

	bool create_aux_user_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS aux_users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" aux_user_info TEXT NOT NULL"
	");";
	return create_table(db, query, "aux_users");
	}

	bool add_version_column_to_olm_persist_sessions_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE olm_persist_sessions "
	" RENAME COLUMN `target_user_id` TO `target_device_id`; "
	"ALTER TABLE olm_persist_sessions "
	" ADD COLUMN version INTEGER NOT NULL DEFAULT 1;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating olm_persist_sessions table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_thread_activity_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS thread_activity ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_activity_store_entry TEXT NOT NULL"
	");";
	return create_table(db, query, "thread_activity");
	}

	bool create_received_messages_to_device(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS received_messages_to_device ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL"
	");";
	return create_table(db, query, "received_messages_to_device");
	}

	bool recreate_outbound_p2p_messages_table(sqlite3 *db) {
	std::string query =
	"DROP TABLE IF EXISTS messages_to_device;"
	"CREATE TABLE IF NOT EXISTS outbound_p2p_messages ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE INDEX IF NOT EXISTS outbound_p2p_messages_idx_id_timestamp"
	" ON outbound_p2p_messages (device_id, timestamp);";

	return create_table(db, query, "outbound_p2p_messages");
	}

	bool create_entries_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS entries ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" entry TEXT NOT NULL"
	");";
	return create_table(db, query, "entries");
	}

	bool create_message_store_local_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS message_store_local ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_message_info TEXT NOT NULL"
	");";
	return create_table(db, query, "message_store_local");
	}

	bool add_supports_auto_retry_column_to_p2p_messages_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE outbound_p2p_messages"
	" ADD COLUMN supports_auto_retry INTEGER DEFAULT 0",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating outbound_p2p_messages table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_message_search_table(sqlite3 *db) {
	std::string query =
	"CREATE VIRTUAL TABLE IF NOT EXISTS message_search USING fts5("
	" original_message_id UNINDEXED,"
	" message_id UNINDEXED,"
	" processed_content,"
	" tokenize = porter"
	");";
	return create_table(db, query, "message_search");
	}

	bool recreate_inbound_p2p_messages_table(sqlite3 *db) {
	std::string query =
	"DROP TABLE IF EXISTS received_messages_to_device;"
	"CREATE TABLE IF NOT EXISTS inbound_p2p_messages ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" sender_user_id TEXT NOT NULL"
	");";

	return create_table(db, query, "inbound_p2p_messages");
	}

	bool add_timestamps_column_to_threads_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads"
	" ADD COLUMN timestamps TEXT;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating threads table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_dm_operations_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS dm_operations ("
	" id TEXT PRIMARY KEY,"
	" type TEXT NOT NULL,"
	" operation TEXT NOT NULL"
	");"
	"CREATE INDEX IF NOT EXISTS dm_operations_idx_type"
	" ON dm_operations (type);";

	return create_table(db, query, "dm_operations");
	}

	bool create_schema(sqlite3 *db) {
	char *error;
	int sidebarSourceTypeInt = static_cast<int>(MessageType::SIDEBAR_SOURCE);
	std::string sidebarSourceType = std::to_string(sidebarSourceTypeInt);
	auto query =
	"CREATE TABLE IF NOT EXISTS drafts ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" text TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS messages ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_id TEXT,"
	" thread TEXT NOT NULL,"
	" user TEXT NOT NULL,"
	" type INTEGER NOT NULL,"
	" future_type INTEGER,"
	" content TEXT,"
	" time INTEGER NOT NULL,"
	" target_message TEXT AS ("
	" IIF("
	" JSON_VALID(content),"
	" COALESCE("
	" JSON_EXTRACT(content, '$.targetMessageID'),"
	" IIF("
	" type = " +
	sidebarSourceType +
	" , JSON_EXTRACT(content, '$.id'),"
	" NULL"
	" )"
	" ),"
	" NULL"
	" )"
	" )"
	");"

	"CREATE TABLE IF NOT EXISTS olm_persist_account ("
	" id INTEGER UNIQUE PRIMARY KEY NOT NULL,"
	" account_data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS olm_persist_sessions ("
	" target_device_id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" session_data TEXT NOT NULL,"
	" version INTEGER NOT NULL DEFAULT 1"
	");"

	"CREATE TABLE IF NOT EXISTS media ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" container TEXT NOT NULL,"
	" thread TEXT NOT NULL,"
	" uri TEXT NOT NULL,"
	" type TEXT NOT NULL,"
	" extras TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" type INTEGER NOT NULL,"
	" name TEXT,"
	" description TEXT,"
	" color TEXT NOT NULL,"
	" creation_time BIGINT NOT NULL,"
	" parent_thread_id TEXT,"
	" containing_thread_id TEXT,"
	" community TEXT,"
	" members TEXT NOT NULL,"
	" roles TEXT NOT NULL,"
	" current_user TEXT NOT NULL,"
	" source_message_id TEXT,"
	" replies_count INTEGER NOT NULL,"
	" avatar TEXT,"
	" pinned_count INTEGER NOT NULL DEFAULT 0,"
	" timestamps TEXT"
	");"

	"CREATE TABLE IF NOT EXISTS metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS reports ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" report TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS persist_storage ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" item TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" user_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS keyservers ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS keyservers_synced ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS communities ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" community_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS outbound_p2p_messages ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" supports_auto_retry INTEGER DEFAULT 0,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE TABLE IF NOT EXISTS integrity_store ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_hash TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS synced_metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS aux_users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" aux_user_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS thread_activity ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_activity_store_entry TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS inbound_p2p_messages ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" sender_user_id TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS entries ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" entry TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS message_store_local ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_message_info TEXT NOT NULL"
	");"

	"CREATE VIRTUAL TABLE IF NOT EXISTS message_search USING fts5("
	" original_message_id UNINDEXED,"
	" message_id UNINDEXED,"
	" processed_content,"
	" tokenize = porter"
	");"

	"CREATE TABLE IF NOT EXISTS dm_operations ("
	" id TEXT PRIMARY KEY,"
	" type TEXT NOT NULL,"
	" operation TEXT NOT NULL"
	");"

	"CREATE INDEX IF NOT EXISTS media_idx_container"
	" ON media (container);"

	"CREATE INDEX IF NOT EXISTS messages_idx_thread_time"
	" ON messages (thread, time);"

	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time"
	" ON messages (target_message, type, time);"

	"CREATE INDEX IF NOT EXISTS outbound_p2p_messages_idx_id_timestamp"
	" ON outbound_p2p_messages (device_id, timestamp);"

	"CREATE INDEX IF NOT EXISTS dm_operations_idx_type"
	" ON dm_operations (type);";

	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating tables: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	// We don't want to run `PRAGMA key = ...;`			// We don't want to run `PRAGMA key = ...;`
	// on main web database. The context is here:			// on main web database. The context is here:
	// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web			// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web
	void default_on_db_open_callback(sqlite3 *db) {			void default_on_db_open_callback(sqlite3 *db) {
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteUtils::setEncryptionKey(db, SQLiteQueryExecutor::backupDataKey);			SQLiteUtils::setEncryptionKey(db, SQLiteQueryExecutor::backupDataKey);
	#endif			#endif
	}			}

	typedef bool ShouldBeInTransaction;
	typedef std::function<bool(sqlite3 *)> MigrateFunction;
	typedef std::pair<MigrateFunction, ShouldBeInTransaction> SQLiteMigration;
	std::vector<std::pair<unsigned int, SQLiteMigration>> migrations{
	{{1, {create_drafts_table, true}},
	{2, {rename_threadID_to_key, true}},
	{4, {create_persist_account_table, true}},
	{5, {create_persist_sessions_table, true}},
	{15, {create_media_table, true}},
	{16, {drop_messages_table, true}},
	{17, {recreate_messages_table, true}},
	{18, {create_messages_idx_thread_time, true}},
	{19, {create_media_idx_container, true}},
	{20, {create_threads_table, true}},
	{21, {update_threadID_for_pending_threads_in_drafts, true}},
	{22, {enable_write_ahead_logging_mode, false}},
	{23, {create_metadata_table, true}},
	{24, {add_not_null_constraint_to_drafts, true}},
	{25, {add_not_null_constraint_to_metadata, true}},
	{26, {add_avatar_column_to_threads_table, true}},
	{27, {add_pinned_count_column_to_threads, true}},
	{28, {create_message_store_threads_table, true}},
	{29, {create_reports_table, true}},
	{30, {create_persist_storage_table, true}},
	{31, {recreate_message_store_threads_table, true}},
	{32, {create_users_table, true}},
	{33, {create_keyservers_table, true}},
	{34, {enable_rollback_journal_mode, false}},
	{35, {create_communities_table, true}},
	{36, {create_messages_to_device_table, true}},
	{37, {create_integrity_table, true}},
	{38, {[](sqlite3 *) { return true; }, false}},
	{39, {create_synced_metadata_table, true}},
	{40, {create_keyservers_synced, true}},
	{41, {create_aux_user_table, true}},
	{42, {add_version_column_to_olm_persist_sessions_table, true}},
	{43, {create_thread_activity_table, true}},
	{44, {create_received_messages_to_device, true}},
	{45, {recreate_outbound_p2p_messages_table, true}},
	{46, {create_entries_table, true}},
	{47, {create_message_store_local_table, true}},
	{48, {create_messages_idx_target_message_type_time, true}},
	{49, {add_supports_auto_retry_column_to_p2p_messages_table, true}},
	{50, {create_message_search_table, true}},
	{51, {update_messages_idx_target_message_type_time, true}},
	{52, {recreate_inbound_p2p_messages_table, true}},
	{53, {add_timestamps_column_to_threads_table, true}},
	{54, {create_dm_operations_table, true}}}};

	enum class MigrationResult { SUCCESS, FAILURE, NOT_APPLIED };

	MigrationResult applyMigrationWithTransaction(
	sqlite3 *db,
	const MigrateFunction &migrate,
	int index) {
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= db_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::NOT_APPLIED;
	}
	auto rc = migrate(db);
	if (!rc) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	auto database_version_set = SQLiteUtils::setDatabaseVersion(db, index);
	if (!database_version_set) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return MigrationResult::SUCCESS;
	}

	MigrationResult applyMigrationWithoutTransaction(
	sqlite3 *db,
	const MigrateFunction &migrate,
	int index) {
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= db_version) {
	return MigrationResult::NOT_APPLIED;
	}
	auto rc = migrate(db);
	if (!rc) {
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto inner_db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= inner_db_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::NOT_APPLIED;
	}
	auto database_version_set = SQLiteUtils::setDatabaseVersion(db, index);
	if (!database_version_set) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return MigrationResult::SUCCESS;
	}

	bool set_up_database(sqlite3 *db) {
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	auto latest_version = migrations.back().first;
	if (db_version == latest_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return true;
	}
	if (db_version != 0 \|\| !create_schema(db) \|\|
	!SQLiteUtils::setDatabaseVersion(db, latest_version)) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return false;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return true;
	}

	void SQLiteQueryExecutor::migrate() {			void SQLiteQueryExecutor::migrate() {
	// We don't want to run `PRAGMA key = ...;`			// We don't want to run `PRAGMA key = ...;`
	// on main web database. The context is here:			// on main web database. The context is here:
	// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web			// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteUtils::validateEncryption(			SQLiteUtils::validateEncryption(
	SQLiteQueryExecutor::sqliteFilePath, SQLiteQueryExecutor::backupDataKey);			SQLiteQueryExecutor::sqliteFilePath, SQLiteQueryExecutor::backupDataKey);
	#endif			#endif

	sqlite3 *db;			sqlite3 *db;
	sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db);			sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db);
	default_on_db_open_callback(db);			default_on_db_open_callback(db);

	std::stringstream db_path;			std::stringstream db_path;
	db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str()			db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str()
	<< std::endl;			<< std::endl;
	Logger::log(db_path.str());			Logger::log(db_path.str());

	auto db_version = SQLiteUtils::getDatabaseVersion(db);			auto db_version = SQLiteUtils::getDatabaseVersion(db);
	std::stringstream version_msg;			std::stringstream version_msg;
	version_msg << "db version: " << db_version << std::endl;			version_msg << "db version: " << db_version << std::endl;
	Logger::log(version_msg.str());			Logger::log(version_msg.str());

	if (db_version == 0) {			if (db_version == 0) {
	auto db_created = set_up_database(db);			auto db_created = SQLiteSchema::setupDatabase(db);
	if (!db_created) {			if (!db_created) {
	sqlite3_close(db);			sqlite3_close(db);
	Logger::log("Database structure creation error.");			Logger::log("Database structure creation error.");
	throw std::runtime_error("Database structure creation error");			throw std::runtime_error("Database structure creation error");
	}			}
	Logger::log("Database structure created.");			Logger::log("Database structure created.");

	sqlite3_close(db);			sqlite3_close(db);
	return;			return;
	}			}

	for (const auto &[idx, migration] : migrations) {			SQLiteSchema::legacyMigrate(db);
	const auto &[applyMigration, shouldBeInTransaction] = migration;

	MigrationResult migrationResult;
	if (shouldBeInTransaction) {
	migrationResult = applyMigrationWithTransaction(db, applyMigration, idx);
	} else {
	migrationResult =
	applyMigrationWithoutTransaction(db, applyMigration, idx);
	}

	if (migrationResult == MigrationResult::NOT_APPLIED) {
	continue;
	}

	std::stringstream migration_msg;
	if (migrationResult == MigrationResult::FAILURE) {
	migration_msg << "migration " << idx << " failed." << std::endl;
	Logger::log(migration_msg.str());
	sqlite3_close(db);
	throw std::runtime_error(migration_msg.str());
	}
	if (migrationResult == MigrationResult::SUCCESS) {
	migration_msg << "migration " << idx << " succeeded." << std::endl;
	Logger::log(migration_msg.str());
	}
	}

	sqlite3_close(db);			sqlite3_close(db);
	}			}

	SQLiteQueryExecutor::SQLiteQueryExecutor() {			SQLiteQueryExecutor::SQLiteQueryExecutor() {
	SQLiteQueryExecutor::migrate();			SQLiteQueryExecutor::migrate();
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteQueryExecutor::initializeTablesForLogMonitoring();			SQLiteQueryExecutor::initializeTablesForLogMonitoring();

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lib/hooks/sidebar-hooks.js

	#include "SQLiteQueryExecutor.h"			#include "SQLiteQueryExecutor.h"
	#include "Logger.h"			#include "Logger.h"
				#include "SQLiteSchema.h"
	#include "SQLiteUtils.h"			#include "SQLiteUtils.h"

	#include "../NativeModules/PersistentStorageUtilities/MessageOperationsUtilities/MessageTypeEnum.h"			#include "../NativeModules/PersistentStorageUtilities/MessageOperationsUtilities/MessageTypeEnum.h"
	#include "../NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadTypeEnum.h"			#include "../NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadTypeEnum.h"
	#include "entities/CommunityInfo.h"			#include "entities/CommunityInfo.h"
	#include "entities/EntityQueryHelpers.h"			#include "entities/EntityQueryHelpers.h"
	#include "entities/EntryInfo.h"			#include "entities/EntryInfo.h"
	#include "entities/IntegrityThreadHash.h"			#include "entities/IntegrityThreadHash.h"
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	};			};

	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	NativeSQLiteConnectionManager SQLiteQueryExecutor::connectionManager;			NativeSQLiteConnectionManager SQLiteQueryExecutor::connectionManager;
	#else			#else
	SQLiteConnectionManager SQLiteQueryExecutor::connectionManager;			SQLiteConnectionManager SQLiteQueryExecutor::connectionManager;
	#endif			#endif

	bool create_table(sqlite3 *db, std::string query, std::string tableName) {
	char *error;
	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);
	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating '" << tableName << "' table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_drafts_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS drafts (threadID TEXT UNIQUE PRIMARY KEY, "
	"text TEXT);";
	return create_table(db, query, "drafts");
	}

	bool rename_threadID_to_key(sqlite3 *db) {
	sqlite3_stmt *key_column_stmt;
	sqlite3_prepare_v2(
	db,
	"SELECT name AS col_name FROM pragma_table_xinfo ('drafts') WHERE "
	"col_name='key';",
	-1,
	&key_column_stmt,
	nullptr);
	sqlite3_step(key_column_stmt);

	auto num_bytes = sqlite3_column_bytes(key_column_stmt, 0);
	sqlite3_finalize(key_column_stmt);
	if (num_bytes) {
	return true;
	}

	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE drafts RENAME COLUMN `threadID` TO `key`;",
	nullptr,
	nullptr,
	&error);
	if (error) {
	std::ostringstream stringStream;
	stringStream << "Error occurred renaming threadID column in drafts table "
	<< "to key: " << error;
	Logger::log(stringStream.str());
	sqlite3_free(error);
	return false;
	}
	return true;
	}

	bool create_persist_account_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS olm_persist_account("
	"id INTEGER UNIQUE PRIMARY KEY NOT NULL, "
	"account_data TEXT NOT NULL);";
	return create_table(db, query, "olm_persist_account");
	}

	bool create_persist_sessions_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS olm_persist_sessions("
	"target_user_id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"session_data TEXT NOT NULL);";
	return create_table(db, query, "olm_persist_sessions");
	}

	bool drop_messages_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "DROP TABLE IF EXISTS messages;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error dropping 'messages' table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool recreate_messages_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS messages ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"local_id TEXT, "
	"thread TEXT NOT NULL, "
	"user TEXT NOT NULL, "
	"type INTEGER NOT NULL, "
	"future_type INTEGER, "
	"content TEXT, "
	"time INTEGER NOT NULL);";
	return create_table(db, query, "messages");
	}

	bool create_messages_idx_thread_time(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE INDEX IF NOT EXISTS messages_idx_thread_time "
	"ON messages (thread, time);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating (thread, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_messages_idx_target_message_type_time(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE messages "
	" ADD COLUMN target_message TEXT "
	" AS (IIF( "
	" JSON_VALID(content), "
	" JSON_EXTRACT(content, '$.targetMessageID'), "
	" NULL "
	" )); "
	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time "
	" ON messages (target_message, type, time);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream
	<< "Error creating (target_message, type, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool update_messages_idx_target_message_type_time(sqlite3 *db) {
	char *error;
	int sidebarSourceTypeInt = static_cast<int>(MessageType::SIDEBAR_SOURCE);
	std::string sidebarSourceType = std::to_string(sidebarSourceTypeInt);

	auto query =
	"DROP INDEX IF EXISTS messages_idx_target_message_type_time;"
	"ALTER TABLE messages DROP COLUMN target_message;"
	"ALTER TABLE messages "
	" ADD COLUMN target_message TEXT "
	" AS (IIF("
	" JSON_VALID(content),"
	" COALESCE("
	" JSON_EXTRACT(content, '$.targetMessageID'),"
	" IIF("
	" type = " +
	sidebarSourceType +
	" , JSON_EXTRACT(content, '$.id'),"
	" NULL"
	" )"
	" ),"
	" NULL"
	" ));"
	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time "
	" ON messages (target_message, type, time);";

	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream
	<< "Error creating (target_message, type, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_media_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS media ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"container TEXT NOT NULL, "
	"thread TEXT NOT NULL, "
	"uri TEXT NOT NULL, "
	"type TEXT NOT NULL, "
	"extras TEXT NOT NULL);";
	return create_table(db, query, "media");
	}

	bool create_media_idx_container(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE INDEX IF NOT EXISTS media_idx_container "
	"ON media (container);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating (container) index on media table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_threads_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS threads ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"type INTEGER NOT NULL, "
	"name TEXT, "
	"description TEXT, "
	"color TEXT NOT NULL, "
	"creation_time BIGINT NOT NULL, "
	"parent_thread_id TEXT, "
	"containing_thread_id TEXT, "
	"community TEXT, "
	"members TEXT NOT NULL, "
	"roles TEXT NOT NULL, "
	"current_user TEXT NOT NULL, "
	"source_message_id TEXT, "
	"replies_count INTEGER NOT NULL);";
	return create_table(db, query, "threads");
	}

	bool update_threadID_for_pending_threads_in_drafts(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"UPDATE drafts SET key = "
	"REPLACE(REPLACE(REPLACE(REPLACE(key, 'type4/', ''),"
	"'type5/', ''),'type6/', ''),'type7/', '')"
	"WHERE key LIKE 'pending/%'",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error update pending threadIDs on drafts table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool enable_write_ahead_logging_mode(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "PRAGMA journal_mode=wal;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error enabling write-ahead logging mode: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_metadata_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS metadata ( "
	"name TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"data TEXT);";
	return create_table(db, query, "metadata");
	}

	bool add_not_null_constraint_to_drafts(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE TABLE IF NOT EXISTS temporary_drafts ("
	"key TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"text TEXT NOT NULL);"
	"INSERT INTO temporary_drafts SELECT * FROM drafts "
	"WHERE key IS NOT NULL AND text IS NOT NULL;"
	"DROP TABLE drafts;"
	"ALTER TABLE temporary_drafts RENAME TO drafts;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding NOT NULL constraint to drafts table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_not_null_constraint_to_metadata(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE TABLE IF NOT EXISTS temporary_metadata ("
	"name TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"data TEXT NOT NULL);"
	"INSERT INTO temporary_metadata SELECT * FROM metadata "
	"WHERE data IS NOT NULL;"
	"DROP TABLE metadata;"
	"ALTER TABLE temporary_metadata RENAME TO metadata;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding NOT NULL constraint to metadata table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_avatar_column_to_threads_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads ADD COLUMN avatar TEXT;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding avatar column to threads table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_pinned_count_column_to_threads(sqlite3 *db) {
	sqlite3_stmt *pinned_column_stmt;
	sqlite3_prepare_v2(
	db,
	"SELECT name AS col_name FROM pragma_table_xinfo ('threads') WHERE "
	"col_name='pinned_count';",
	-1,
	&pinned_column_stmt,
	nullptr);
	sqlite3_step(pinned_column_stmt);

	auto num_bytes = sqlite3_column_bytes(pinned_column_stmt, 0);
	sqlite3_finalize(pinned_column_stmt);

	if (num_bytes) {
	return true;
	}

	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads ADD COLUMN pinned_count INTEGER NOT NULL DEFAULT 0;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding pinned_count column to threads table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_message_store_threads_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL,"
	" last_navigated_to BIGINT NOT NULL,"
	" last_pruned BIGINT NOT NULL"
	");";
	return create_table(db, query, "message_store_threads");
	}

	bool create_reports_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS reports ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" report TEXT NOT NULL"
	");";
	return create_table(db, query, "reports");
	}

	bool create_persist_storage_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS persist_storage ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" item TEXT NOT NULL"
	");";
	return create_table(db, query, "persist_storage");
	}

	bool recreate_message_store_threads_table(sqlite3 *db) {
	char *errMsg = 0;

	// 1. Create table without `last_navigated_to` or `last_pruned`.
	std::string create_new_table_query =
	"CREATE TABLE IF NOT EXISTS temp_message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL"
	");";

	if (sqlite3_exec(db, create_new_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error creating temp_message_store_threads: " + std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 2. Dump data from existing `message_store_threads` table into temp table.
	std::string copy_data_query =
	"INSERT INTO temp_message_store_threads (id, start_reached)"
	"SELECT id, start_reached FROM message_store_threads;";

	if (sqlite3_exec(db, copy_data_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error dumping data from existing message_store_threads to "
	"temp_message_store_threads: " +
	std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 3. Drop the existing `message_store_threads` table.
	std::string drop_old_table_query = "DROP TABLE message_store_threads;";

	if (sqlite3_exec(db, drop_old_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error dropping message_store_threads table: " + std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 4. Rename the temp table back to `message_store_threads`.
	std::string rename_table_query =
	"ALTER TABLE temp_message_store_threads RENAME TO message_store_threads;";

	if (sqlite3_exec(db, rename_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error renaming temp_message_store_threads to message_store_threads: " +
	std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	return true;
	}

	bool create_users_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" user_info TEXT NOT NULL"
	");";
	return create_table(db, query, "users");
	}

	bool create_keyservers_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS keyservers ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");";
	return create_table(db, query, "keyservers");
	}

	bool enable_rollback_journal_mode(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "PRAGMA journal_mode=DELETE;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::stringstream error_message;
	error_message << "Error disabling write-ahead logging mode: " << error;
	Logger::log(error_message.str());
	sqlite3_free(error);
	return false;
	}

	bool create_communities_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS communities ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" community_info TEXT NOT NULL"
	");";
	return create_table(db, query, "communities");
	}

	bool create_messages_to_device_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS messages_to_device ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE INDEX IF NOT EXISTS messages_to_device_idx_id_timestamp"
	" ON messages_to_device (device_id, timestamp);";

	return create_table(db, query, "messages_to_device");
	}

	bool create_integrity_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS integrity_store ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_hash TEXT NOT NULL"
	");";
	return create_table(db, query, "integrity_store");
	}

	bool create_synced_metadata_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS synced_metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");";
	return create_table(db, query, "synced_metadata");
	}

	bool create_keyservers_synced(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS keyservers_synced ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");";
	bool success = create_table(db, query, "keyservers_synced");
	if (!success) {
	return false;
	}

	std::string copyData =
	"INSERT INTO keyservers_synced (id, keyserver_info)"
	"SELECT id, keyserver_info "
	"FROM keyservers;";

	char *error;
	sqlite3_exec(db, copyData.c_str(), nullptr, nullptr, &error);
	if (error) {
	return false;
	}

	return true;
	}

	bool create_aux_user_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS aux_users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" aux_user_info TEXT NOT NULL"
	");";
	return create_table(db, query, "aux_users");
	}

	bool add_version_column_to_olm_persist_sessions_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE olm_persist_sessions "
	" RENAME COLUMN `target_user_id` TO `target_device_id`; "
	"ALTER TABLE olm_persist_sessions "
	" ADD COLUMN version INTEGER NOT NULL DEFAULT 1;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating olm_persist_sessions table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_thread_activity_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS thread_activity ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_activity_store_entry TEXT NOT NULL"
	");";
	return create_table(db, query, "thread_activity");
	}

	bool create_received_messages_to_device(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS received_messages_to_device ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL"
	");";
	return create_table(db, query, "received_messages_to_device");
	}

	bool recreate_outbound_p2p_messages_table(sqlite3 *db) {
	std::string query =
	"DROP TABLE IF EXISTS messages_to_device;"
	"CREATE TABLE IF NOT EXISTS outbound_p2p_messages ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE INDEX IF NOT EXISTS outbound_p2p_messages_idx_id_timestamp"
	" ON outbound_p2p_messages (device_id, timestamp);";

	return create_table(db, query, "outbound_p2p_messages");
	}

	bool create_entries_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS entries ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" entry TEXT NOT NULL"
	");";
	return create_table(db, query, "entries");
	}

	bool create_message_store_local_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS message_store_local ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_message_info TEXT NOT NULL"
	");";
	return create_table(db, query, "message_store_local");
	}

	bool add_supports_auto_retry_column_to_p2p_messages_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE outbound_p2p_messages"
	" ADD COLUMN supports_auto_retry INTEGER DEFAULT 0",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating outbound_p2p_messages table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_message_search_table(sqlite3 *db) {
	std::string query =
	"CREATE VIRTUAL TABLE IF NOT EXISTS message_search USING fts5("
	" original_message_id UNINDEXED,"
	" message_id UNINDEXED,"
	" processed_content,"
	" tokenize = porter"
	");";
	return create_table(db, query, "message_search");
	}

	bool recreate_inbound_p2p_messages_table(sqlite3 *db) {
	std::string query =
	"DROP TABLE IF EXISTS received_messages_to_device;"
	"CREATE TABLE IF NOT EXISTS inbound_p2p_messages ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" sender_user_id TEXT NOT NULL"
	");";

	return create_table(db, query, "inbound_p2p_messages");
	}

	bool add_timestamps_column_to_threads_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads"
	" ADD COLUMN timestamps TEXT;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating threads table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_dm_operations_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS dm_operations ("
	" id TEXT PRIMARY KEY,"
	" type TEXT NOT NULL,"
	" operation TEXT NOT NULL"
	");"
	"CREATE INDEX IF NOT EXISTS dm_operations_idx_type"
	" ON dm_operations (type);";

	return create_table(db, query, "dm_operations");
	}

	bool create_schema(sqlite3 *db) {
	char *error;
	int sidebarSourceTypeInt = static_cast<int>(MessageType::SIDEBAR_SOURCE);
	std::string sidebarSourceType = std::to_string(sidebarSourceTypeInt);
	auto query =
	"CREATE TABLE IF NOT EXISTS drafts ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" text TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS messages ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_id TEXT,"
	" thread TEXT NOT NULL,"
	" user TEXT NOT NULL,"
	" type INTEGER NOT NULL,"
	" future_type INTEGER,"
	" content TEXT,"
	" time INTEGER NOT NULL,"
	" target_message TEXT AS ("
	" IIF("
	" JSON_VALID(content),"
	" COALESCE("
	" JSON_EXTRACT(content, '$.targetMessageID'),"
	" IIF("
	" type = " +
	sidebarSourceType +
	" , JSON_EXTRACT(content, '$.id'),"
	" NULL"
	" )"
	" ),"
	" NULL"
	" )"
	" )"
	");"

	"CREATE TABLE IF NOT EXISTS olm_persist_account ("
	" id INTEGER UNIQUE PRIMARY KEY NOT NULL,"
	" account_data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS olm_persist_sessions ("
	" target_device_id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" session_data TEXT NOT NULL,"
	" version INTEGER NOT NULL DEFAULT 1"
	");"

	"CREATE TABLE IF NOT EXISTS media ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" container TEXT NOT NULL,"
	" thread TEXT NOT NULL,"
	" uri TEXT NOT NULL,"
	" type TEXT NOT NULL,"
	" extras TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" type INTEGER NOT NULL,"
	" name TEXT,"
	" description TEXT,"
	" color TEXT NOT NULL,"
	" creation_time BIGINT NOT NULL,"
	" parent_thread_id TEXT,"
	" containing_thread_id TEXT,"
	" community TEXT,"
	" members TEXT NOT NULL,"
	" roles TEXT NOT NULL,"
	" current_user TEXT NOT NULL,"
	" source_message_id TEXT,"
	" replies_count INTEGER NOT NULL,"
	" avatar TEXT,"
	" pinned_count INTEGER NOT NULL DEFAULT 0,"
	" timestamps TEXT"
	");"

	"CREATE TABLE IF NOT EXISTS metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS reports ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" report TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS persist_storage ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" item TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" user_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS keyservers ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS keyservers_synced ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS communities ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" community_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS outbound_p2p_messages ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" supports_auto_retry INTEGER DEFAULT 0,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE TABLE IF NOT EXISTS integrity_store ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_hash TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS synced_metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS aux_users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" aux_user_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS thread_activity ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_activity_store_entry TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS inbound_p2p_messages ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" sender_user_id TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS entries ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" entry TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS message_store_local ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_message_info TEXT NOT NULL"
	");"

	"CREATE VIRTUAL TABLE IF NOT EXISTS message_search USING fts5("
	" original_message_id UNINDEXED,"
	" message_id UNINDEXED,"
	" processed_content,"
	" tokenize = porter"
	");"

	"CREATE TABLE IF NOT EXISTS dm_operations ("
	" id TEXT PRIMARY KEY,"
	" type TEXT NOT NULL,"
	" operation TEXT NOT NULL"
	");"

	"CREATE INDEX IF NOT EXISTS media_idx_container"
	" ON media (container);"

	"CREATE INDEX IF NOT EXISTS messages_idx_thread_time"
	" ON messages (thread, time);"

	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time"
	" ON messages (target_message, type, time);"

	"CREATE INDEX IF NOT EXISTS outbound_p2p_messages_idx_id_timestamp"
	" ON outbound_p2p_messages (device_id, timestamp);"

	"CREATE INDEX IF NOT EXISTS dm_operations_idx_type"
	" ON dm_operations (type);";

	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating tables: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	// We don't want to run `PRAGMA key = ...;`			// We don't want to run `PRAGMA key = ...;`
	// on main web database. The context is here:			// on main web database. The context is here:
	// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web			// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web
	void default_on_db_open_callback(sqlite3 *db) {			void default_on_db_open_callback(sqlite3 *db) {
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteUtils::setEncryptionKey(db, SQLiteQueryExecutor::backupDataKey);			SQLiteUtils::setEncryptionKey(db, SQLiteQueryExecutor::backupDataKey);
	#endif			#endif
	}			}

	typedef bool ShouldBeInTransaction;
	typedef std::function<bool(sqlite3 *)> MigrateFunction;
	typedef std::pair<MigrateFunction, ShouldBeInTransaction> SQLiteMigration;
	std::vector<std::pair<unsigned int, SQLiteMigration>> migrations{
	{{1, {create_drafts_table, true}},
	{2, {rename_threadID_to_key, true}},
	{4, {create_persist_account_table, true}},
	{5, {create_persist_sessions_table, true}},
	{15, {create_media_table, true}},
	{16, {drop_messages_table, true}},
	{17, {recreate_messages_table, true}},
	{18, {create_messages_idx_thread_time, true}},
	{19, {create_media_idx_container, true}},
	{20, {create_threads_table, true}},
	{21, {update_threadID_for_pending_threads_in_drafts, true}},
	{22, {enable_write_ahead_logging_mode, false}},
	{23, {create_metadata_table, true}},
	{24, {add_not_null_constraint_to_drafts, true}},
	{25, {add_not_null_constraint_to_metadata, true}},
	{26, {add_avatar_column_to_threads_table, true}},
	{27, {add_pinned_count_column_to_threads, true}},
	{28, {create_message_store_threads_table, true}},
	{29, {create_reports_table, true}},
	{30, {create_persist_storage_table, true}},
	{31, {recreate_message_store_threads_table, true}},
	{32, {create_users_table, true}},
	{33, {create_keyservers_table, true}},
	{34, {enable_rollback_journal_mode, false}},
	{35, {create_communities_table, true}},
	{36, {create_messages_to_device_table, true}},
	{37, {create_integrity_table, true}},
	{38, {[](sqlite3 *) { return true; }, false}},
	{39, {create_synced_metadata_table, true}},
	{40, {create_keyservers_synced, true}},
	{41, {create_aux_user_table, true}},
	{42, {add_version_column_to_olm_persist_sessions_table, true}},
	{43, {create_thread_activity_table, true}},
	{44, {create_received_messages_to_device, true}},
	{45, {recreate_outbound_p2p_messages_table, true}},
	{46, {create_entries_table, true}},
	{47, {create_message_store_local_table, true}},
	{48, {create_messages_idx_target_message_type_time, true}},
	{49, {add_supports_auto_retry_column_to_p2p_messages_table, true}},
	{50, {create_message_search_table, true}},
	{51, {update_messages_idx_target_message_type_time, true}},
	{52, {recreate_inbound_p2p_messages_table, true}},
	{53, {add_timestamps_column_to_threads_table, true}},
	{54, {create_dm_operations_table, true}}}};

	enum class MigrationResult { SUCCESS, FAILURE, NOT_APPLIED };

	MigrationResult applyMigrationWithTransaction(
	sqlite3 *db,
	const MigrateFunction &migrate,
	int index) {
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= db_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::NOT_APPLIED;
	}
	auto rc = migrate(db);
	if (!rc) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	auto database_version_set = SQLiteUtils::setDatabaseVersion(db, index);
	if (!database_version_set) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return MigrationResult::SUCCESS;
	}

	MigrationResult applyMigrationWithoutTransaction(
	sqlite3 *db,
	const MigrateFunction &migrate,
	int index) {
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= db_version) {
	return MigrationResult::NOT_APPLIED;
	}
	auto rc = migrate(db);
	if (!rc) {
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto inner_db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= inner_db_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::NOT_APPLIED;
	}
	auto database_version_set = SQLiteUtils::setDatabaseVersion(db, index);
	if (!database_version_set) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return MigrationResult::SUCCESS;
	}

	bool set_up_database(sqlite3 *db) {
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	auto latest_version = migrations.back().first;
	if (db_version == latest_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return true;
	}
	if (db_version != 0 \|\| !create_schema(db) \|\|
	!SQLiteUtils::setDatabaseVersion(db, latest_version)) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return false;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return true;
	}

	void SQLiteQueryExecutor::migrate() {			void SQLiteQueryExecutor::migrate() {
	// We don't want to run `PRAGMA key = ...;`			// We don't want to run `PRAGMA key = ...;`
	// on main web database. The context is here:			// on main web database. The context is here:
	// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web			// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteUtils::validateEncryption(			SQLiteUtils::validateEncryption(
	SQLiteQueryExecutor::sqliteFilePath, SQLiteQueryExecutor::backupDataKey);			SQLiteQueryExecutor::sqliteFilePath, SQLiteQueryExecutor::backupDataKey);
	#endif			#endif

	sqlite3 *db;			sqlite3 *db;
	sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db);			sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db);
	default_on_db_open_callback(db);			default_on_db_open_callback(db);

	std::stringstream db_path;			std::stringstream db_path;
	db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str()			db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str()
	<< std::endl;			<< std::endl;
	Logger::log(db_path.str());			Logger::log(db_path.str());

	auto db_version = SQLiteUtils::getDatabaseVersion(db);			auto db_version = SQLiteUtils::getDatabaseVersion(db);
	std::stringstream version_msg;			std::stringstream version_msg;
	version_msg << "db version: " << db_version << std::endl;			version_msg << "db version: " << db_version << std::endl;
	Logger::log(version_msg.str());			Logger::log(version_msg.str());

	if (db_version == 0) {			if (db_version == 0) {
	auto db_created = set_up_database(db);			auto db_created = SQLiteSchema::setupDatabase(db);
	if (!db_created) {			if (!db_created) {
	sqlite3_close(db);			sqlite3_close(db);
	Logger::log("Database structure creation error.");			Logger::log("Database structure creation error.");
	throw std::runtime_error("Database structure creation error");			throw std::runtime_error("Database structure creation error");
	}			}
	Logger::log("Database structure created.");			Logger::log("Database structure created.");

	sqlite3_close(db);			sqlite3_close(db);
	return;			return;
	}			}

	for (const auto &[idx, migration] : migrations) {			SQLiteSchema::legacyMigrate(db);
	const auto &[applyMigration, shouldBeInTransaction] = migration;

	MigrationResult migrationResult;
	if (shouldBeInTransaction) {
	migrationResult = applyMigrationWithTransaction(db, applyMigration, idx);
	} else {
	migrationResult =
	applyMigrationWithoutTransaction(db, applyMigration, idx);
	}

	if (migrationResult == MigrationResult::NOT_APPLIED) {
	continue;
	}

	std::stringstream migration_msg;
	if (migrationResult == MigrationResult::FAILURE) {
	migration_msg << "migration " << idx << " failed." << std::endl;
	Logger::log(migration_msg.str());
	sqlite3_close(db);
	throw std::runtime_error(migration_msg.str());
	}
	if (migrationResult == MigrationResult::SUCCESS) {
	migration_msg << "migration " << idx << " succeeded." << std::endl;
	Logger::log(migration_msg.str());
	}
	}

	sqlite3_close(db);			sqlite3_close(db);
	}			}

	SQLiteQueryExecutor::SQLiteQueryExecutor() {			SQLiteQueryExecutor::SQLiteQueryExecutor() {
	SQLiteQueryExecutor::migrate();			SQLiteQueryExecutor::migrate();
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteQueryExecutor::initializeTablesForLogMonitoring();			SQLiteQueryExecutor::initializeTablesForLogMonitoring();

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lib/selectors/chat-selectors.js

	#include "SQLiteQueryExecutor.h"			#include "SQLiteQueryExecutor.h"
	#include "Logger.h"			#include "Logger.h"
				#include "SQLiteSchema.h"
	#include "SQLiteUtils.h"			#include "SQLiteUtils.h"

	#include "../NativeModules/PersistentStorageUtilities/MessageOperationsUtilities/MessageTypeEnum.h"			#include "../NativeModules/PersistentStorageUtilities/MessageOperationsUtilities/MessageTypeEnum.h"
	#include "../NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadTypeEnum.h"			#include "../NativeModules/PersistentStorageUtilities/ThreadOperationsUtilities/ThreadTypeEnum.h"
	#include "entities/CommunityInfo.h"			#include "entities/CommunityInfo.h"
	#include "entities/EntityQueryHelpers.h"			#include "entities/EntityQueryHelpers.h"
	#include "entities/EntryInfo.h"			#include "entities/EntryInfo.h"
	#include "entities/IntegrityThreadHash.h"			#include "entities/IntegrityThreadHash.h"
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	};			};

	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	NativeSQLiteConnectionManager SQLiteQueryExecutor::connectionManager;			NativeSQLiteConnectionManager SQLiteQueryExecutor::connectionManager;
	#else			#else
	SQLiteConnectionManager SQLiteQueryExecutor::connectionManager;			SQLiteConnectionManager SQLiteQueryExecutor::connectionManager;
	#endif			#endif

	bool create_table(sqlite3 *db, std::string query, std::string tableName) {
	char *error;
	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);
	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating '" << tableName << "' table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_drafts_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS drafts (threadID TEXT UNIQUE PRIMARY KEY, "
	"text TEXT);";
	return create_table(db, query, "drafts");
	}

	bool rename_threadID_to_key(sqlite3 *db) {
	sqlite3_stmt *key_column_stmt;
	sqlite3_prepare_v2(
	db,
	"SELECT name AS col_name FROM pragma_table_xinfo ('drafts') WHERE "
	"col_name='key';",
	-1,
	&key_column_stmt,
	nullptr);
	sqlite3_step(key_column_stmt);

	auto num_bytes = sqlite3_column_bytes(key_column_stmt, 0);
	sqlite3_finalize(key_column_stmt);
	if (num_bytes) {
	return true;
	}

	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE drafts RENAME COLUMN `threadID` TO `key`;",
	nullptr,
	nullptr,
	&error);
	if (error) {
	std::ostringstream stringStream;
	stringStream << "Error occurred renaming threadID column in drafts table "
	<< "to key: " << error;
	Logger::log(stringStream.str());
	sqlite3_free(error);
	return false;
	}
	return true;
	}

	bool create_persist_account_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS olm_persist_account("
	"id INTEGER UNIQUE PRIMARY KEY NOT NULL, "
	"account_data TEXT NOT NULL);";
	return create_table(db, query, "olm_persist_account");
	}

	bool create_persist_sessions_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS olm_persist_sessions("
	"target_user_id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"session_data TEXT NOT NULL);";
	return create_table(db, query, "olm_persist_sessions");
	}

	bool drop_messages_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "DROP TABLE IF EXISTS messages;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error dropping 'messages' table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool recreate_messages_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS messages ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"local_id TEXT, "
	"thread TEXT NOT NULL, "
	"user TEXT NOT NULL, "
	"type INTEGER NOT NULL, "
	"future_type INTEGER, "
	"content TEXT, "
	"time INTEGER NOT NULL);";
	return create_table(db, query, "messages");
	}

	bool create_messages_idx_thread_time(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE INDEX IF NOT EXISTS messages_idx_thread_time "
	"ON messages (thread, time);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating (thread, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_messages_idx_target_message_type_time(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE messages "
	" ADD COLUMN target_message TEXT "
	" AS (IIF( "
	" JSON_VALID(content), "
	" JSON_EXTRACT(content, '$.targetMessageID'), "
	" NULL "
	" )); "
	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time "
	" ON messages (target_message, type, time);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream
	<< "Error creating (target_message, type, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool update_messages_idx_target_message_type_time(sqlite3 *db) {
	char *error;
	int sidebarSourceTypeInt = static_cast<int>(MessageType::SIDEBAR_SOURCE);
	std::string sidebarSourceType = std::to_string(sidebarSourceTypeInt);

	auto query =
	"DROP INDEX IF EXISTS messages_idx_target_message_type_time;"
	"ALTER TABLE messages DROP COLUMN target_message;"
	"ALTER TABLE messages "
	" ADD COLUMN target_message TEXT "
	" AS (IIF("
	" JSON_VALID(content),"
	" COALESCE("
	" JSON_EXTRACT(content, '$.targetMessageID'),"
	" IIF("
	" type = " +
	sidebarSourceType +
	" , JSON_EXTRACT(content, '$.id'),"
	" NULL"
	" )"
	" ),"
	" NULL"
	" ));"
	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time "
	" ON messages (target_message, type, time);";

	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream
	<< "Error creating (target_message, type, time) index on messages table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_media_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS media ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"container TEXT NOT NULL, "
	"thread TEXT NOT NULL, "
	"uri TEXT NOT NULL, "
	"type TEXT NOT NULL, "
	"extras TEXT NOT NULL);";
	return create_table(db, query, "media");
	}

	bool create_media_idx_container(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE INDEX IF NOT EXISTS media_idx_container "
	"ON media (container);",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating (container) index on media table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_threads_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS threads ( "
	"id TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"type INTEGER NOT NULL, "
	"name TEXT, "
	"description TEXT, "
	"color TEXT NOT NULL, "
	"creation_time BIGINT NOT NULL, "
	"parent_thread_id TEXT, "
	"containing_thread_id TEXT, "
	"community TEXT, "
	"members TEXT NOT NULL, "
	"roles TEXT NOT NULL, "
	"current_user TEXT NOT NULL, "
	"source_message_id TEXT, "
	"replies_count INTEGER NOT NULL);";
	return create_table(db, query, "threads");
	}

	bool update_threadID_for_pending_threads_in_drafts(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"UPDATE drafts SET key = "
	"REPLACE(REPLACE(REPLACE(REPLACE(key, 'type4/', ''),"
	"'type5/', ''),'type6/', ''),'type7/', '')"
	"WHERE key LIKE 'pending/%'",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error update pending threadIDs on drafts table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool enable_write_ahead_logging_mode(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "PRAGMA journal_mode=wal;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error enabling write-ahead logging mode: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_metadata_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS metadata ( "
	"name TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"data TEXT);";
	return create_table(db, query, "metadata");
	}

	bool add_not_null_constraint_to_drafts(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE TABLE IF NOT EXISTS temporary_drafts ("
	"key TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"text TEXT NOT NULL);"
	"INSERT INTO temporary_drafts SELECT * FROM drafts "
	"WHERE key IS NOT NULL AND text IS NOT NULL;"
	"DROP TABLE drafts;"
	"ALTER TABLE temporary_drafts RENAME TO drafts;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding NOT NULL constraint to drafts table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_not_null_constraint_to_metadata(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"CREATE TABLE IF NOT EXISTS temporary_metadata ("
	"name TEXT UNIQUE PRIMARY KEY NOT NULL, "
	"data TEXT NOT NULL);"
	"INSERT INTO temporary_metadata SELECT * FROM metadata "
	"WHERE data IS NOT NULL;"
	"DROP TABLE metadata;"
	"ALTER TABLE temporary_metadata RENAME TO metadata;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding NOT NULL constraint to metadata table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_avatar_column_to_threads_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads ADD COLUMN avatar TEXT;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding avatar column to threads table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool add_pinned_count_column_to_threads(sqlite3 *db) {
	sqlite3_stmt *pinned_column_stmt;
	sqlite3_prepare_v2(
	db,
	"SELECT name AS col_name FROM pragma_table_xinfo ('threads') WHERE "
	"col_name='pinned_count';",
	-1,
	&pinned_column_stmt,
	nullptr);
	sqlite3_step(pinned_column_stmt);

	auto num_bytes = sqlite3_column_bytes(pinned_column_stmt, 0);
	sqlite3_finalize(pinned_column_stmt);

	if (num_bytes) {
	return true;
	}

	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads ADD COLUMN pinned_count INTEGER NOT NULL DEFAULT 0;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error adding pinned_count column to threads table: "
	<< error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_message_store_threads_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL,"
	" last_navigated_to BIGINT NOT NULL,"
	" last_pruned BIGINT NOT NULL"
	");";
	return create_table(db, query, "message_store_threads");
	}

	bool create_reports_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS reports ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" report TEXT NOT NULL"
	");";
	return create_table(db, query, "reports");
	}

	bool create_persist_storage_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS persist_storage ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" item TEXT NOT NULL"
	");";
	return create_table(db, query, "persist_storage");
	}

	bool recreate_message_store_threads_table(sqlite3 *db) {
	char *errMsg = 0;

	// 1. Create table without `last_navigated_to` or `last_pruned`.
	std::string create_new_table_query =
	"CREATE TABLE IF NOT EXISTS temp_message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL"
	");";

	if (sqlite3_exec(db, create_new_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error creating temp_message_store_threads: " + std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 2. Dump data from existing `message_store_threads` table into temp table.
	std::string copy_data_query =
	"INSERT INTO temp_message_store_threads (id, start_reached)"
	"SELECT id, start_reached FROM message_store_threads;";

	if (sqlite3_exec(db, copy_data_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error dumping data from existing message_store_threads to "
	"temp_message_store_threads: " +
	std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 3. Drop the existing `message_store_threads` table.
	std::string drop_old_table_query = "DROP TABLE message_store_threads;";

	if (sqlite3_exec(db, drop_old_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error dropping message_store_threads table: " + std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	// 4. Rename the temp table back to `message_store_threads`.
	std::string rename_table_query =
	"ALTER TABLE temp_message_store_threads RENAME TO message_store_threads;";

	if (sqlite3_exec(db, rename_table_query.c_str(), NULL, NULL, &errMsg) !=
	SQLITE_OK) {
	Logger::log(
	"Error renaming temp_message_store_threads to message_store_threads: " +
	std::string{errMsg});
	sqlite3_free(errMsg);
	return false;
	}

	return true;
	}

	bool create_users_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" user_info TEXT NOT NULL"
	");";
	return create_table(db, query, "users");
	}

	bool create_keyservers_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS keyservers ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");";
	return create_table(db, query, "keyservers");
	}

	bool enable_rollback_journal_mode(sqlite3 *db) {
	char *error;
	sqlite3_exec(db, "PRAGMA journal_mode=DELETE;", nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::stringstream error_message;
	error_message << "Error disabling write-ahead logging mode: " << error;
	Logger::log(error_message.str());
	sqlite3_free(error);
	return false;
	}

	bool create_communities_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS communities ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" community_info TEXT NOT NULL"
	");";
	return create_table(db, query, "communities");
	}

	bool create_messages_to_device_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS messages_to_device ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE INDEX IF NOT EXISTS messages_to_device_idx_id_timestamp"
	" ON messages_to_device (device_id, timestamp);";

	return create_table(db, query, "messages_to_device");
	}

	bool create_integrity_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS integrity_store ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_hash TEXT NOT NULL"
	");";
	return create_table(db, query, "integrity_store");
	}

	bool create_synced_metadata_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS synced_metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");";
	return create_table(db, query, "synced_metadata");
	}

	bool create_keyservers_synced(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS keyservers_synced ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");";
	bool success = create_table(db, query, "keyservers_synced");
	if (!success) {
	return false;
	}

	std::string copyData =
	"INSERT INTO keyservers_synced (id, keyserver_info)"
	"SELECT id, keyserver_info "
	"FROM keyservers;";

	char *error;
	sqlite3_exec(db, copyData.c_str(), nullptr, nullptr, &error);
	if (error) {
	return false;
	}

	return true;
	}

	bool create_aux_user_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS aux_users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" aux_user_info TEXT NOT NULL"
	");";
	return create_table(db, query, "aux_users");
	}

	bool add_version_column_to_olm_persist_sessions_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE olm_persist_sessions "
	" RENAME COLUMN `target_user_id` TO `target_device_id`; "
	"ALTER TABLE olm_persist_sessions "
	" ADD COLUMN version INTEGER NOT NULL DEFAULT 1;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating olm_persist_sessions table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_thread_activity_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS thread_activity ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_activity_store_entry TEXT NOT NULL"
	");";
	return create_table(db, query, "thread_activity");
	}

	bool create_received_messages_to_device(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS received_messages_to_device ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL"
	");";
	return create_table(db, query, "received_messages_to_device");
	}

	bool recreate_outbound_p2p_messages_table(sqlite3 *db) {
	std::string query =
	"DROP TABLE IF EXISTS messages_to_device;"
	"CREATE TABLE IF NOT EXISTS outbound_p2p_messages ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE INDEX IF NOT EXISTS outbound_p2p_messages_idx_id_timestamp"
	" ON outbound_p2p_messages (device_id, timestamp);";

	return create_table(db, query, "outbound_p2p_messages");
	}

	bool create_entries_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS entries ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" entry TEXT NOT NULL"
	");";
	return create_table(db, query, "entries");
	}

	bool create_message_store_local_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS message_store_local ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_message_info TEXT NOT NULL"
	");";
	return create_table(db, query, "message_store_local");
	}

	bool add_supports_auto_retry_column_to_p2p_messages_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE outbound_p2p_messages"
	" ADD COLUMN supports_auto_retry INTEGER DEFAULT 0",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating outbound_p2p_messages table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_message_search_table(sqlite3 *db) {
	std::string query =
	"CREATE VIRTUAL TABLE IF NOT EXISTS message_search USING fts5("
	" original_message_id UNINDEXED,"
	" message_id UNINDEXED,"
	" processed_content,"
	" tokenize = porter"
	");";
	return create_table(db, query, "message_search");
	}

	bool recreate_inbound_p2p_messages_table(sqlite3 *db) {
	std::string query =
	"DROP TABLE IF EXISTS received_messages_to_device;"
	"CREATE TABLE IF NOT EXISTS inbound_p2p_messages ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" sender_user_id TEXT NOT NULL"
	");";

	return create_table(db, query, "inbound_p2p_messages");
	}

	bool add_timestamps_column_to_threads_table(sqlite3 *db) {
	char *error;
	sqlite3_exec(
	db,
	"ALTER TABLE threads"
	" ADD COLUMN timestamps TEXT;",
	nullptr,
	nullptr,
	&error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error updating threads table: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	bool create_dm_operations_table(sqlite3 *db) {
	std::string query =
	"CREATE TABLE IF NOT EXISTS dm_operations ("
	" id TEXT PRIMARY KEY,"
	" type TEXT NOT NULL,"
	" operation TEXT NOT NULL"
	");"
	"CREATE INDEX IF NOT EXISTS dm_operations_idx_type"
	" ON dm_operations (type);";

	return create_table(db, query, "dm_operations");
	}

	bool create_schema(sqlite3 *db) {
	char *error;
	int sidebarSourceTypeInt = static_cast<int>(MessageType::SIDEBAR_SOURCE);
	std::string sidebarSourceType = std::to_string(sidebarSourceTypeInt);
	auto query =
	"CREATE TABLE IF NOT EXISTS drafts ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" text TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS messages ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_id TEXT,"
	" thread TEXT NOT NULL,"
	" user TEXT NOT NULL,"
	" type INTEGER NOT NULL,"
	" future_type INTEGER,"
	" content TEXT,"
	" time INTEGER NOT NULL,"
	" target_message TEXT AS ("
	" IIF("
	" JSON_VALID(content),"
	" COALESCE("
	" JSON_EXTRACT(content, '$.targetMessageID'),"
	" IIF("
	" type = " +
	sidebarSourceType +
	" , JSON_EXTRACT(content, '$.id'),"
	" NULL"
	" )"
	" ),"
	" NULL"
	" )"
	" )"
	");"

	"CREATE TABLE IF NOT EXISTS olm_persist_account ("
	" id INTEGER UNIQUE PRIMARY KEY NOT NULL,"
	" account_data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS olm_persist_sessions ("
	" target_device_id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" session_data TEXT NOT NULL,"
	" version INTEGER NOT NULL DEFAULT 1"
	");"

	"CREATE TABLE IF NOT EXISTS media ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" container TEXT NOT NULL,"
	" thread TEXT NOT NULL,"
	" uri TEXT NOT NULL,"
	" type TEXT NOT NULL,"
	" extras TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" type INTEGER NOT NULL,"
	" name TEXT,"
	" description TEXT,"
	" color TEXT NOT NULL,"
	" creation_time BIGINT NOT NULL,"
	" parent_thread_id TEXT,"
	" containing_thread_id TEXT,"
	" community TEXT,"
	" members TEXT NOT NULL,"
	" roles TEXT NOT NULL,"
	" current_user TEXT NOT NULL,"
	" source_message_id TEXT,"
	" replies_count INTEGER NOT NULL,"
	" avatar TEXT,"
	" pinned_count INTEGER NOT NULL DEFAULT 0,"
	" timestamps TEXT"
	");"

	"CREATE TABLE IF NOT EXISTS metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS message_store_threads ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" start_reached INTEGER NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS reports ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" report TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS persist_storage ("
	" key TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" item TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" user_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS keyservers ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS keyservers_synced ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" keyserver_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS communities ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" community_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS outbound_p2p_messages ("
	" message_id TEXT NOT NULL,"
	" device_id TEXT NOT NULL,"
	" user_id TEXT NOT NULL,"
	" timestamp BIGINT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" ciphertext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" supports_auto_retry INTEGER DEFAULT 0,"
	" PRIMARY KEY (message_id, device_id)"
	");"

	"CREATE TABLE IF NOT EXISTS integrity_store ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_hash TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS synced_metadata ("
	" name TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" data TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS aux_users ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" aux_user_info TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS thread_activity ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" thread_activity_store_entry TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS inbound_p2p_messages ("
	" id INTEGER PRIMARY KEY,"
	" message_id TEXT NOT NULL,"
	" sender_device_id TEXT NOT NULL,"
	" plaintext TEXT NOT NULL,"
	" status TEXT NOT NULL,"
	" sender_user_id TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS entries ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" entry TEXT NOT NULL"
	");"

	"CREATE TABLE IF NOT EXISTS message_store_local ("
	" id TEXT UNIQUE PRIMARY KEY NOT NULL,"
	" local_message_info TEXT NOT NULL"
	");"

	"CREATE VIRTUAL TABLE IF NOT EXISTS message_search USING fts5("
	" original_message_id UNINDEXED,"
	" message_id UNINDEXED,"
	" processed_content,"
	" tokenize = porter"
	");"

	"CREATE TABLE IF NOT EXISTS dm_operations ("
	" id TEXT PRIMARY KEY,"
	" type TEXT NOT NULL,"
	" operation TEXT NOT NULL"
	");"

	"CREATE INDEX IF NOT EXISTS media_idx_container"
	" ON media (container);"

	"CREATE INDEX IF NOT EXISTS messages_idx_thread_time"
	" ON messages (thread, time);"

	"CREATE INDEX IF NOT EXISTS messages_idx_target_message_type_time"
	" ON messages (target_message, type, time);"

	"CREATE INDEX IF NOT EXISTS outbound_p2p_messages_idx_id_timestamp"
	" ON outbound_p2p_messages (device_id, timestamp);"

	"CREATE INDEX IF NOT EXISTS dm_operations_idx_type"
	" ON dm_operations (type);";

	sqlite3_exec(db, query.c_str(), nullptr, nullptr, &error);

	if (!error) {
	return true;
	}

	std::ostringstream stringStream;
	stringStream << "Error creating tables: " << error;
	Logger::log(stringStream.str());

	sqlite3_free(error);
	return false;
	}

	// We don't want to run `PRAGMA key = ...;`			// We don't want to run `PRAGMA key = ...;`
	// on main web database. The context is here:			// on main web database. The context is here:
	// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web			// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web
	void default_on_db_open_callback(sqlite3 *db) {			void default_on_db_open_callback(sqlite3 *db) {
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteUtils::setEncryptionKey(db, SQLiteQueryExecutor::backupDataKey);			SQLiteUtils::setEncryptionKey(db, SQLiteQueryExecutor::backupDataKey);
	#endif			#endif
	}			}

	typedef bool ShouldBeInTransaction;
	typedef std::function<bool(sqlite3 *)> MigrateFunction;
	typedef std::pair<MigrateFunction, ShouldBeInTransaction> SQLiteMigration;
	std::vector<std::pair<unsigned int, SQLiteMigration>> migrations{
	{{1, {create_drafts_table, true}},
	{2, {rename_threadID_to_key, true}},
	{4, {create_persist_account_table, true}},
	{5, {create_persist_sessions_table, true}},
	{15, {create_media_table, true}},
	{16, {drop_messages_table, true}},
	{17, {recreate_messages_table, true}},
	{18, {create_messages_idx_thread_time, true}},
	{19, {create_media_idx_container, true}},
	{20, {create_threads_table, true}},
	{21, {update_threadID_for_pending_threads_in_drafts, true}},
	{22, {enable_write_ahead_logging_mode, false}},
	{23, {create_metadata_table, true}},
	{24, {add_not_null_constraint_to_drafts, true}},
	{25, {add_not_null_constraint_to_metadata, true}},
	{26, {add_avatar_column_to_threads_table, true}},
	{27, {add_pinned_count_column_to_threads, true}},
	{28, {create_message_store_threads_table, true}},
	{29, {create_reports_table, true}},
	{30, {create_persist_storage_table, true}},
	{31, {recreate_message_store_threads_table, true}},
	{32, {create_users_table, true}},
	{33, {create_keyservers_table, true}},
	{34, {enable_rollback_journal_mode, false}},
	{35, {create_communities_table, true}},
	{36, {create_messages_to_device_table, true}},
	{37, {create_integrity_table, true}},
	{38, {[](sqlite3 *) { return true; }, false}},
	{39, {create_synced_metadata_table, true}},
	{40, {create_keyservers_synced, true}},
	{41, {create_aux_user_table, true}},
	{42, {add_version_column_to_olm_persist_sessions_table, true}},
	{43, {create_thread_activity_table, true}},
	{44, {create_received_messages_to_device, true}},
	{45, {recreate_outbound_p2p_messages_table, true}},
	{46, {create_entries_table, true}},
	{47, {create_message_store_local_table, true}},
	{48, {create_messages_idx_target_message_type_time, true}},
	{49, {add_supports_auto_retry_column_to_p2p_messages_table, true}},
	{50, {create_message_search_table, true}},
	{51, {update_messages_idx_target_message_type_time, true}},
	{52, {recreate_inbound_p2p_messages_table, true}},
	{53, {add_timestamps_column_to_threads_table, true}},
	{54, {create_dm_operations_table, true}}}};

	enum class MigrationResult { SUCCESS, FAILURE, NOT_APPLIED };

	MigrationResult applyMigrationWithTransaction(
	sqlite3 *db,
	const MigrateFunction &migrate,
	int index) {
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= db_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::NOT_APPLIED;
	}
	auto rc = migrate(db);
	if (!rc) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	auto database_version_set = SQLiteUtils::setDatabaseVersion(db, index);
	if (!database_version_set) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return MigrationResult::SUCCESS;
	}

	MigrationResult applyMigrationWithoutTransaction(
	sqlite3 *db,
	const MigrateFunction &migrate,
	int index) {
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= db_version) {
	return MigrationResult::NOT_APPLIED;
	}
	auto rc = migrate(db);
	if (!rc) {
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto inner_db_version = SQLiteUtils::getDatabaseVersion(db);
	if (index <= inner_db_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::NOT_APPLIED;
	}
	auto database_version_set = SQLiteUtils::setDatabaseVersion(db, index);
	if (!database_version_set) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return MigrationResult::FAILURE;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return MigrationResult::SUCCESS;
	}

	bool set_up_database(sqlite3 *db) {
	sqlite3_exec(db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr);
	auto db_version = SQLiteUtils::getDatabaseVersion(db);
	auto latest_version = migrations.back().first;
	if (db_version == latest_version) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return true;
	}
	if (db_version != 0 \|\| !create_schema(db) \|\|
	!SQLiteUtils::setDatabaseVersion(db, latest_version)) {
	sqlite3_exec(db, "ROLLBACK;", nullptr, nullptr, nullptr);
	return false;
	}
	sqlite3_exec(db, "END TRANSACTION;", nullptr, nullptr, nullptr);
	return true;
	}

	void SQLiteQueryExecutor::migrate() {			void SQLiteQueryExecutor::migrate() {
	// We don't want to run `PRAGMA key = ...;`			// We don't want to run `PRAGMA key = ...;`
	// on main web database. The context is here:			// on main web database. The context is here:
	// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web			// https://linear.app/comm/issue/ENG-6398/issues-with-sqlcipher-on-web
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteUtils::validateEncryption(			SQLiteUtils::validateEncryption(
	SQLiteQueryExecutor::sqliteFilePath, SQLiteQueryExecutor::backupDataKey);			SQLiteQueryExecutor::sqliteFilePath, SQLiteQueryExecutor::backupDataKey);
	#endif			#endif

	sqlite3 *db;			sqlite3 *db;
	sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db);			sqlite3_open(SQLiteQueryExecutor::sqliteFilePath.c_str(), &db);
	default_on_db_open_callback(db);			default_on_db_open_callback(db);

	std::stringstream db_path;			std::stringstream db_path;
	db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str()			db_path << "db path: " << SQLiteQueryExecutor::sqliteFilePath.c_str()
	<< std::endl;			<< std::endl;
	Logger::log(db_path.str());			Logger::log(db_path.str());

	auto db_version = SQLiteUtils::getDatabaseVersion(db);			auto db_version = SQLiteUtils::getDatabaseVersion(db);
	std::stringstream version_msg;			std::stringstream version_msg;
	version_msg << "db version: " << db_version << std::endl;			version_msg << "db version: " << db_version << std::endl;
	Logger::log(version_msg.str());			Logger::log(version_msg.str());

	if (db_version == 0) {			if (db_version == 0) {
	auto db_created = set_up_database(db);			auto db_created = SQLiteSchema::setupDatabase(db);
	if (!db_created) {			if (!db_created) {
	sqlite3_close(db);			sqlite3_close(db);
	Logger::log("Database structure creation error.");			Logger::log("Database structure creation error.");
	throw std::runtime_error("Database structure creation error");			throw std::runtime_error("Database structure creation error");
	}			}
	Logger::log("Database structure created.");			Logger::log("Database structure created.");

	sqlite3_close(db);			sqlite3_close(db);
	return;			return;
	}			}

	for (const auto &[idx, migration] : migrations) {			SQLiteSchema::legacyMigrate(db);
	const auto &[applyMigration, shouldBeInTransaction] = migration;

	MigrationResult migrationResult;
	if (shouldBeInTransaction) {
	migrationResult = applyMigrationWithTransaction(db, applyMigration, idx);
	} else {
	migrationResult =
	applyMigrationWithoutTransaction(db, applyMigration, idx);
	}

	if (migrationResult == MigrationResult::NOT_APPLIED) {
	continue;
	}

	std::stringstream migration_msg;
	if (migrationResult == MigrationResult::FAILURE) {
	migration_msg << "migration " << idx << " failed." << std::endl;
	Logger::log(migration_msg.str());
	sqlite3_close(db);
	throw std::runtime_error(migration_msg.str());
	}
	if (migrationResult == MigrationResult::SUCCESS) {
	migration_msg << "migration " << idx << " succeeded." << std::endl;
	Logger::log(migration_msg.str());
	}
	}

	sqlite3_close(db);			sqlite3_close(db);
	}			}

	SQLiteQueryExecutor::SQLiteQueryExecutor() {			SQLiteQueryExecutor::SQLiteQueryExecutor() {
	SQLiteQueryExecutor::migrate();			SQLiteQueryExecutor::migrate();
	#ifndef EMSCRIPTEN			#ifndef EMSCRIPTEN
	SQLiteQueryExecutor::initializeTablesForLogMonitoring();			SQLiteQueryExecutor::initializeTablesForLogMonitoring();

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[lib] Convert sidebarInfoSelector to a hookClosedPublicActions

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lib/hooks/search-threads.js

lib/hooks/sidebar-hooks.js

lib/selectors/chat-selectors.js

[lib] Convert sidebarInfoSelector to a hook
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