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Use Params, rather than run-time-modified Const nodes, to handle

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sublink results and COPY's domain constraint checking.  A Const that
isn't really constant is just a Bad Idea(tm).  Remove hacks in
parse_coerce and other places that were needed because of the former
klugery.
This commit is contained in:
Tom Lane
2002-11-26 03:01:59 +00:00
parent ac47950238
commit ea0b5c8569
9 changed files with 166 additions and 190 deletions
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3
src/backend/parser/parse_expr.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.130 2002/11/15 02:50:09 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.131 2002/11/26 03:01:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -122,7 +122,6 @@ transformExpr(ParseState *pstate, Node *expr, ConstraintTestValue *domVal)
param = makeNode(Param);
param->paramkind = PARAM_NUM;
param->paramid = (AttrNumber) paramno;
param->paramname = "<unnamed>";
param->paramtype = paramtyp;
result = (Node *) param;
/* handle qualification, if any */