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Implement SQLiteDatabase::TxnBegin, TxnCommit, and TxnAbort

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This commit is contained in:
Andrew Chow 2020-05-26 20:53:50 -04:00
parent ac5c1617e7
commit 010e365906
1 changed files with 18 additions and 3 deletions
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21
src/wallet/sqlite.cpp
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@ -431,17 +431,32 @@ void SQLiteBatch::CloseCursor()
bool SQLiteBatch::TxnBegin() bool SQLiteBatch::TxnBegin()
{ {
return false; if (!m_database.m_db || sqlite3_get_autocommit(m_database.m_db) == 0) return false;
int res = sqlite3_exec(m_database.m_db, "BEGIN TRANSACTION", nullptr, nullptr, nullptr);
if (res != SQLITE_OK) {
LogPrintf("SQLiteBatch: Failed to begin the transaction\n");
}
return res == SQLITE_OK;
} }
bool SQLiteBatch::TxnCommit() bool SQLiteBatch::TxnCommit()
{ {
return false; if (!m_database.m_db || sqlite3_get_autocommit(m_database.m_db) != 0) return false;
int res = sqlite3_exec(m_database.m_db, "COMMIT TRANSACTION", nullptr, nullptr, nullptr);
if (res != SQLITE_OK) {
LogPrintf("SQLiteBatch: Failed to commit the transaction\n");
}
return res == SQLITE_OK;
} }
bool SQLiteBatch::TxnAbort() bool SQLiteBatch::TxnAbort()
{ {
return false; if (!m_database.m_db || sqlite3_get_autocommit(m_database.m_db) != 0) return false;
int res = sqlite3_exec(m_database.m_db, "ROLLBACK TRANSACTION", nullptr, nullptr, nullptr);
if (res != SQLITE_OK) {
LogPrintf("SQLiteBatch: Failed to abort the transaction\n");
}
return res == SQLITE_OK;
} }
bool ExistsSQLiteDatabase(const fs::path& path) bool ExistsSQLiteDatabase(const fs::path& path)