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

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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
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21
src/backend/nodes/outfuncs.c
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@ -5,7 +5,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.157 2002/04/28 19:54:28 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.158 2002/05/12 20:10:03 tgl Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@ -551,6 +551,18 @@ _outSubqueryScan(StringInfo str, SubqueryScan *node)
_outNode(str, node->subplan);
}
/*
* FunctionScan is a subclass of Scan
*/
static void
_outFunctionScan(StringInfo str, FunctionScan *node)
{
appendStringInfo(str, " FUNCTIONSCAN ");
_outPlanInfo(str, (Plan *) node);
appendStringInfo(str, " :scanrelid %u ", node->scan.scanrelid);
}
/*
* Material is a subclass of Plan
*/
@ -980,6 +992,10 @@ _outRangeTblEntry(StringInfo str, RangeTblEntry *node)
appendStringInfo(str, ":subquery ");
_outNode(str, node->subquery);
break;
case RTE_FUNCTION:
appendStringInfo(str, ":funcexpr ");
_outNode(str, node->funcexpr);
break;
case RTE_JOIN:
appendStringInfo(str, ":jointype %d :joinaliasvars ",
(int) node->jointype);
@ -1598,6 +1614,9 @@ _outNode(StringInfo str, void *obj)
case T_SubqueryScan:
_outSubqueryScan(str, obj);
break;
case T_FunctionScan:
_outFunctionScan(str, obj);
break;
case T_Material:
_outMaterial(str, obj);
break;