Function dsqlGenReturning

src/dsql/StmtNodes.cpp:9876–9920

}

static void dsqlGenReturning(DsqlCompilerScratch* dsqlScratch, ReturningClause* returning,
	Nullable<USHORT> localTableNumber)
{
	if (localTableNumber.isAssigned())
	{
		const USHORT localStoreContext = dsqlScratch->contextNumber++;

		dsqlScratch->appendUChar(blr_store);
		dsqlScratch->putBlrMarkers(StmtNode::MARK_AVOID_COUNTERS);
		dsqlScratch->appendUChar(blr_local_table_id);
		dsqlScratch->appendUShort(localTableNumber.value);
		dsqlScratch->appendMetaString("");	// alias
		GEN_stuff_context_number(dsqlScratch, localStoreContext);

		dsqlScratch->appendUChar(blr_begin);

		USHORT fieldNum = 0;

		for (auto& retSource : returning->first->items)
		{
			dsqlScratch->appendUChar(blr_assignment);
			retSource->genBlr(dsqlScratch);
			dsqlScratch->appendUChar(blr_fid);
			GEN_stuff_context_number(dsqlScratch, localStoreContext);
			dsqlScratch->appendUShort(fieldNum++);
		}

		dsqlScratch->appendUChar(blr_end);
	}
	else
	{
		dsqlScratch->appendUChar(blr_begin);

		auto retTargetIt = returning->second->items.begin();

		for (auto& retSource : returning->first->items)
		{
			dsqlScratch->appendUChar(blr_assignment);
			retSource->genBlr(dsqlScratch);
			(*retTargetIt++)->genBlr(dsqlScratch);
		}

		dsqlScratch->appendUChar(blr_end);
	}
}

// Generate BLR for returning's local table cursor.
static void dsqlGenReturningLocalTableCursor(DsqlCompilerScratch* dsqlScratch, ReturningClause* returning,