Function API_ROUTINE isc_dsql_prepare_m

src/yvalve/why.cpp:2713–2759

Prepare a statement for execution.

// Prepare a statement for execution.
ISC_STATUS API_ROUTINE isc_dsql_prepare_m(ISC_STATUS* userStatus, isc_tr_handle* traHandle,
	isc_stmt_handle* stmtHandle, USHORT stmtLength, const SCHAR* sqlStmt, USHORT dialect,
	USHORT itemLength, const SCHAR* items, USHORT bufferLength, SCHAR* buffer)
{
	StatusVector status(userStatus);
	CheckStatusWrapper statusWrapper(&status);

	try
	{
		RefPtr<IscStatement> statement(translateHandle(statements, stmtHandle));
		RefPtr<YTransaction> transaction;

		if (statement->statement)
		{
			statement->closeStatement(&statusWrapper);
			if (status.getState() & IStatus::STATE_ERRORS)
				return status[1];
		}

		statement->cursorName = "";

		if (traHandle && *traHandle)
			transaction = translateHandle(transactions, traHandle);

		unsigned flags = StatementMetadata::buildInfoFlags(
			itemLength, reinterpret_cast<const UCHAR*>(items));

		statement->statement = statement->attachment.get()->prepare(&statusWrapper, transaction,
			stmtLength, sqlStmt, dialect, flags);

		if (!(status.getState() & IStatus::STATE_ERRORS))
		{
			StatusVector tempStatus(NULL);
			CheckStatusWrapper tempCheckStatusWrapper(&tempStatus);
			statement->statement->getInfo(&tempCheckStatusWrapper,
				itemLength, reinterpret_cast<const UCHAR*>(items),
				bufferLength, reinterpret_cast<UCHAR*>(buffer));
			tempStatus.check();
		}
	}
	catch (const Exception& e)
	{
		e.stuffException(&statusWrapper);
	}

	return status[1];
}


// Set a cursor name for a dynamic request.