Method dsqlPass

src/dsql/DsqlStatements.cpp:135–223

}

void DsqlDmlStatement::dsqlPass(thread_db* tdbb, DsqlCompilerScratch* scratch, ntrace_result_t* traceResult)
{
	{	// scope
		ContextPoolHolder scratchContext(tdbb, &scratch->getPool());
		node = Node::doDsqlPass(scratch, node);
	}

	if (scratch->clientDialect > SQL_DIALECT_V5)
		scratch->getDsqlStatement()->setBlrVersion(5);
	else
		scratch->getDsqlStatement()->setBlrVersion(4);

	GEN_statement(scratch, node);

	unsigned messageNumber = 0;

	for (auto message : ports)
		message->msg_buffer_number = messageNumber++;

	// have the access method compile the statement

#ifdef DSQL_DEBUG
	if (DSQL_debug & 64)
	{
		dsql_trace("Resulting BLR code for DSQL:");
		gds__trace_raw("Statement:\n");
		gds__trace_raw(getSqlText()->c_str(), getSqlText()->length());
		gds__trace_raw("\nBLR:\n");
		fb_print_blr(scratch->getBlrData().begin(),
			(ULONG) scratch->getBlrData().getCount(),
			gds__trace_printer, 0, 0);
	}
#endif

	FbLocalStatus localStatus;

	// check for warnings
	if (tdbb->tdbb_status_vector->getState() & IStatus::STATE_WARNINGS)
	{
		// save a status vector
		fb_utils::copyStatus(&localStatus, tdbb->tdbb_status_vector);
		fb_utils::init_status(tdbb->tdbb_status_vector);
	}

	ISC_STATUS status = FB_SUCCESS;

	try
	{
		const auto attachment = scratch->getAttachment()->dbb_attachment;
		const auto& blr = scratch->getBlrData();
		const auto& debugData = scratch->getDebugData();

		statement = CMP_compile(tdbb, blr.begin(), blr.getCount(),
			(scratch->flags & DsqlCompilerScratch::FLAG_INTERNAL_REQUEST),
			debugData.getCount(), debugData.begin());

		if (getSqlText())
			statement->sqlText = getSqlText();