Function PAR_parseRecordSource

src/jrd/par.cpp:1269–1315

Parse a RecordSourceNode.

// Parse a RecordSourceNode.
RecordSourceNode* PAR_parseRecordSource(thread_db* tdbb, CompilerScratch* csb)
{
	SET_TDBB(tdbb);

	const SSHORT blrOp = csb->csb_blr_reader.getByte();

	switch (blrOp)
	{
		case blr_pid:
		case blr_pid2:
		case blr_procedure:
		case blr_procedure2:
		case blr_procedure3:
		case blr_procedure4:
		case blr_subproc:
			return ProcedureSourceNode::parse(tdbb, csb, blrOp, true);

		case blr_rse:
		case blr_lateral_rse:
		case blr_rs_stream:
			return PAR_rse(tdbb, csb, blrOp);

		case blr_relation:
		case blr_rid:
		case blr_relation2:
		case blr_rid2:
			return RelationSourceNode::parse(tdbb, csb, blrOp, true);

		case blr_local_table_id:
			return LocalTableSourceNode::parse(tdbb, csb, blrOp, true);

		case blr_union:
		case blr_recurse:
			return UnionSourceNode::parse(tdbb, csb, blrOp);

		case blr_window:
			return WindowSourceNode::parse(tdbb, csb);

		case blr_aggregate:
			return AggregateSourceNode::parse(tdbb, csb);

		default:
			PAR_syntax_error(csb, "record source");
	}

	return NULL;	// silence warning
}


// Parse a record selection expression.