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refactor(History): Split remove history query into transaction

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Anthony Bilinski 2022-03-28 02:57:02 -07:00
parent 9a8706a65f
commit fd930cfbb2
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1 changed files with 73 additions and 51 deletions
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124
src/persistence/history.cpp
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@ -270,64 +270,86 @@ void History::removeChatHistory(const ChatId& chatId)
return; return;
} }
QVector<RawDatabase::Query> queries;
QVector<QByteArray> boundParams; QVector<QByteArray> boundParams;
QString queryString = QStringLiteral("DELETE FROM faux_offline_pending " QString queryString = QStringLiteral(
"WHERE faux_offline_pending.id IN ( " "DELETE FROM faux_offline_pending "
" SELECT faux_offline_pending.id FROM faux_offline_pending " "WHERE faux_offline_pending.id IN ( "
" LEFT JOIN history ON faux_offline_pending.id = history.id " " SELECT faux_offline_pending.id FROM faux_offline_pending "
" WHERE chat_id="); " LEFT JOIN history ON faux_offline_pending.id = history.id "
addChatIdSubQuery(queryString, boundParams, chatId); " WHERE chat_id=");
queryString += QStringLiteral(
"); "
"DELETE FROM broken_messages "
"WHERE broken_messages.id IN ( "
" SELECT broken_messages.id FROM broken_messages "
" LEFT JOIN history ON broken_messages.id = history.id "
" WHERE chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(
"); "
"DELETE FROM text_messages "
"WHERE id IN ("
" SELECT id from history "
" WHERE message_type = 'T' AND chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(
");"
"DELETE FROM file_transfers "
"WHERE id IN ( "
" SELECT id from history "
" WHERE message_type = 'F' AND chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(
");"
"DELETE FROM system_messages "
"WHERE id IN ( "
" SELECT id from history "
" WHERE message_type = 'S' AND chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(");"
"DELETE FROM history WHERE chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral("; "
"DELETE FROM chats WHERE id=");
addChatIdSubQuery(queryString, boundParams, chatId); addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(")");
queries += {queryString, boundParams};
boundParams.clear();
queryString += QStringLiteral("; " queryString = QStringLiteral(
"DELETE FROM aliases WHERE id NOT IN ( " "DELETE FROM broken_messages "
" SELECT DISTINCT sender_alias FROM text_messages " "WHERE broken_messages.id IN ( "
" UNION " " SELECT broken_messages.id FROM broken_messages "
" SELECT DISTINCT sender_alias FROM file_transfers);"); " LEFT JOIN history ON broken_messages.id = history.id "
" WHERE chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(")");
queries += {queryString, boundParams};
boundParams.clear();
queryString += QStringLiteral( queryString = QStringLiteral(
"DELETE FROM authors WHERE id NOT IN ( " "DELETE FROM text_messages "
" SELECT DISTINCT owner FROM aliases);"); "WHERE id IN ("
" SELECT id from history "
" WHERE message_type = 'T' AND chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(")");
queries += {queryString, boundParams};
boundParams.clear();
queryString += QStringLiteral("VACUUM;"); queryString = QStringLiteral(
"DELETE FROM file_transfers "
"WHERE id IN ( "
" SELECT id from history "
" WHERE message_type = 'F' AND chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(")");
queries += {queryString, boundParams};
boundParams.clear();
RawDatabase::Query query = {queryString, boundParams}; queryString = QStringLiteral(
if (!db->execNow(query)) { "DELETE FROM system_messages "
"WHERE id IN ( "
" SELECT id from history "
" WHERE message_type = 'S' AND chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queryString += QStringLiteral(")");
queries += {queryString, boundParams};
boundParams.clear();
queryString = QStringLiteral(
"DELETE FROM history WHERE chat_id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queries += {queryString, boundParams};
boundParams.clear();
queryString = QStringLiteral(
"DELETE FROM chats WHERE id=");
addChatIdSubQuery(queryString, boundParams, chatId);
queries += {queryString, boundParams};
boundParams.clear();
queries += RawDatabase::Query{QStringLiteral(
"DELETE FROM aliases WHERE id NOT IN ( "
" SELECT DISTINCT sender_alias FROM text_messages "
" UNION "
" SELECT DISTINCT sender_alias FROM file_transfers)")};
queries += RawDatabase::Query{QStringLiteral(
"DELETE FROM authors WHERE id NOT IN ( "
" SELECT DISTINCT owner FROM aliases)")};
if (!db->execNow(queries)) {
qWarning() << "Failed to remove friend's history"; qWarning() << "Failed to remove friend's history";
} else {
db->execNow(RawDatabase::Query{QStringLiteral("VACUUM")});
} }
} }