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Remove 'func_tlist' from Func expression nodes, likewise 'param_tlist'

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from Param nodes, per discussion a few days ago on pghackers.  Add new
expression node type FieldSelect that implements the functionality where
it's actually needed.  Clean up some other unused fields in Func nodes
as well.
NOTE: initdb forced due to change in stored expression trees for rules.
This commit is contained in:
Tom Lane
2000-08-08 15:43:12 +00:00
parent 8fc32374be
commit 62e29fe2e7
31 changed files with 378 additions and 476 deletions
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21
src/backend/nodes/makefuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/makefuncs.c,v 1.21 2000/04/12 17:15:16 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/makefuncs.c,v 1.22 2000/08/08 15:41:24 tgl Exp $
*
* NOTES
* Creator functions in POSTGRES 4.2 are generated automatically. Most of
@ -29,17 +29,14 @@
Oper *
makeOper(Oid opno,
Oid opid,
Oid opresulttype,
int opsize,
FunctionCachePtr op_fcache)
Oid opresulttype)
{
Oper *oper = makeNode(Oper);
oper->opno = opno;
oper->opid = opid;
oper->opresulttype = opresulttype;
oper->opsize = opsize;
oper->op_fcache = op_fcache;
oper->op_fcache = NULL;
return oper;
}
@ -99,8 +96,6 @@ makeResdom(AttrNumber resno,
Oid restype,
int32 restypmod,
char *resname,
Index reskey,
Oid reskeyop,
bool resjunk)
{
Resdom *resdom = makeNode(Resdom);
@ -111,12 +106,14 @@ makeResdom(AttrNumber resno,
resdom->resname = resname;
/*
* For historical reasons, ressortgroupref defaults to 0 while
* reskey/reskeyop are passed in explicitly. This is pretty silly.
* We always set the sorting/grouping fields to 0. If the caller wants
* to change them he must do so explicitly. Few if any callers should
* be doing that, so omitting these arguments reduces the chance of error.
*/
resdom->ressortgroupref = 0;
resdom->reskey = reskey;
resdom->reskeyop = reskeyop;
resdom->reskey = 0;
resdom->reskeyop = InvalidOid;
resdom->resjunk = resjunk;
return resdom;
}