bool
AsyncExecuteStatements::executeAndProcessStatement(sqlite3_stmt *aStatement,
bool aLastStatement)
{
mMutex.AssertNotCurrentThreadOwns();
// Execute our statement
bool hasResults;
do {
hasResults = executeStatement(aStatement);
// If we had an error, bail.
if (mState == ERROR)
return false;
// If we have been canceled, there is no point in going on...
{
MutexAutoLock lockedScope(mMutex);
if (mCancelRequested) {
mState = CANCELED;
return false;
}
}
// Build our result set and notify if we got anything back and have a
// callback to notify.
if (mCallback && hasResults &&
NS_FAILED(buildAndNotifyResults(aStatement))) {
// We had an error notifying, so we notify on error and stop processing.
mState = ERROR;
// Notify, and stop processing statements.
(void)notifyError(mozIStorageError::ERROR,
"An error occurred while notifying about results");
return false;
}
} while (hasResults);
#ifdef DEBUG
// Check to make sure that this statement was smart about what it did.
checkAndLogStatementPerformance(aStatement);
#endif
// If we are done, we need to set our state accordingly while we still hold
// our mutex. We would have already returned if we were canceled or had
// an error at this point.
if (aLastStatement)
mState = COMPLETED;
return true;
}
NS_IMETHODIMP
Statement::Reset()
{
if (!mDBStatement)
return NS_ERROR_NOT_INITIALIZED;
#ifdef DEBUG
PR_LOG(gStorageLog, PR_LOG_DEBUG, ("Resetting statement: '%s'",
::sqlite3_sql(mDBStatement)));
checkAndLogStatementPerformance(mDBStatement);
#endif
mParamsArray = nullptr;
(void)sqlite3_reset(mDBStatement);
(void)sqlite3_clear_bindings(mDBStatement);
mExecuting = false;
return NS_OK;
}
