database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-14 18:42:34 +03:00
Code Activity

First pass at set-returning-functions in FROM, by Joe Conway with

Browse Source 
some kibitzing from Tom Lane.  Not everything works yet, and there's
no documentation or regression test, but let's commit this so Joe
doesn't need to cope with tracking changes in so many files ...
This commit is contained in:
Tom Lane
2002-05-12 20:10:05 +00:00
parent 71009354c8
commit f9e4f611a1
48 changed files with 1813 additions and 329 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/backend/utils/adt/ruleutils.c
View File

@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.102 2002/05/03 20:15:02 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.103 2002/05/12 20:10:04 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -705,25 +705,16 @@ deparse_context_for_plan(int outer_varno, Node *outercontext,
}
/*
* deparse_context_for_relation - Build deparse context for 1 relation
* deparse_context_for_rte - Build deparse context for 1 relation
*
* Helper routine to build one of the inputs for deparse_context_for_plan.
* Pass the reference name (alias) and OID of a relation.
*
* The returned node is actually a RangeTblEntry, but we declare it as just
* Node to discourage callers from assuming anything.
* The returned node is actually the given RangeTblEntry, but we declare it
* as just Node to discourage callers from assuming anything.
*/
Node *
deparse_context_for_relation(const char *aliasname, Oid relid)
deparse_context_for_rte(RangeTblEntry *rte)
{
RangeTblEntry *rte = makeNode(RangeTblEntry);
rte->rtekind = RTE_RELATION;
rte->relid = relid;
rte->eref = makeAlias(aliasname, NIL);
rte->inh = false;
rte->inFromCl = true;
return (Node *) rte;
}
@ -2398,6 +2389,10 @@ get_from_clause_item(Node *jtnode, Query *query, deparse_context *context)
get_query_def(rte->subquery, buf, context->namespaces);
appendStringInfoChar(buf, ')');
break;
case RTE_FUNCTION:
/* Function RTE */
get_rule_expr(rte->funcexpr, context);
break;
default:
elog(ERROR, "unexpected rte kind %d", (int) rte->rtekind);
break;