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SQL: Add debugging options. #2693

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OWNCLOUD_SQLITE_JOURNAL_MODE: To use something else than WAL
OWNCLOUD_SQLITE_TEMP_STORE: To test with storing temporaries in memory.
This commit is contained in:
Christian Kamm 2015-01-29 10:10:09 +01:00
parent cd0ad21132
commit 43d6dbb0f2
3 changed files with 21 additions and 3 deletions
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3
csync/src/csync_update.c
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@ -692,7 +692,8 @@ int csync_ftw(CSYNC *ctx, const char *uri, csync_walker_fn fn,
|| c_streq(path, ".csync_journal.db.ctmp-journal")
|| c_streq(path, ".csync-progressdatabase")
|| c_streq(path, ".csync_journal.db-shm")
|| c_streq(path, ".csync_journal.db-wal")) {
|| c_streq(path, ".csync_journal.db-wal")
|| c_streq(path, ".csync_journal.db-journal")) {
csync_vio_file_stat_destroy(dirent);
dirent = NULL;
SAFE_FREE(filename);

1
src/gui/folder.cpp
View file

@ -706,6 +706,7 @@ void Folder::wipe()
QFile::remove( stateDbFile + ".ctmp" );
QFile::remove( stateDbFile + "-shm" );
QFile::remove( stateDbFile + "-wal" );
QFile::remove( stateDbFile + "-journal" );
}
bool Folder::setIgnoredFiles()

20
src/libsync/syncjournaldb.cpp
View file

@ -140,13 +140,28 @@ bool SyncJournalDb::checkConnect()
qDebug() << "sqlite3 version" << pragma1.stringValue(0);
}
pragma1.prepare("PRAGMA journal_mode=WAL;");
// Enable WAL by default but allow switching the journal mode for debugging
static QString env_journal_mode = QString::fromLocal8Bit(qgetenv("OWNCLOUD_SQLITE_JOURNAL_MODE"));
QString journal_mode = env_journal_mode;
if (journal_mode.isEmpty()) {
journal_mode = "WAL";
}
pragma1.prepare(QString("PRAGMA journal_mode=%1;").arg(journal_mode));
if (!pragma1.exec()) {
return sqlFail("Set PRAGMA synchronous", pragma1);
return sqlFail("Set PRAGMA journal_mode", pragma1);
} else {
pragma1.next();
qDebug() << "sqlite3 journal_mode=" << pragma1.stringValue(0);
}
// For debugging purposes, allow temp_store to be set
static QString env_temp_store = QString::fromLocal8Bit(qgetenv("OWNCLOUD_SQLITE_TEMP_STORE"));
if (!env_temp_store.isEmpty()) {
pragma1.prepare(QString("PRAGMA temp_store = %1;").arg(env_temp_store));
if (!pragma1.exec()) {
return sqlFail("Set PRAGMA temp_store", pragma1);
}
qDebug() << "sqlite3 with temp_store =" << env_temp_store;
}
pragma1.prepare("PRAGMA synchronous = 1;");
@ -348,6 +363,7 @@ bool SyncJournalDb::checkConnect()
FileSystem::setFileHidden(databaseFilePath(), true);
FileSystem::setFileHidden(databaseFilePath() + "-wal", true);
FileSystem::setFileHidden(databaseFilePath() + "-shm", true);
FileSystem::setFileHidden(databaseFilePath() + "-journal", true);
return rc;
}