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SQL-language functions are now callable in ordinary fmgr contexts ...

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for example, an SQL function can be used in a functional index.  (I make
no promises about speed, but it'll work ;-).)  Clean up and simplify
handling of functions returning sets.
This commit is contained in:
Tom Lane
2000-08-24 03:29:15 +00:00
parent 87523ab8db
commit 782c16c6a1
35 changed files with 889 additions and 921 deletions
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19
src/backend/parser/parse_node.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_node.c,v 1.44 2000/08/08 15:42:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_node.c,v 1.45 2000/08/24 03:29:05 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -34,7 +34,6 @@
#include "utils/lsyscache.h"
#include "utils/syscache.h"
static void disallow_setop(char *op, Type optype, Node *operand);
static bool fitsInFloat(Value *value);
@ -71,7 +70,6 @@ make_operand(char *opname,
if (tree != NULL)
{
disallow_setop(opname, target_type, tree);
/* must coerce? */
if (target_typeId != orig_typeId)
result = coerce_type(NULL, tree, orig_typeId, target_typeId, -1);
@ -96,21 +94,6 @@ make_operand(char *opname,
} /* make_operand() */
static void
disallow_setop(char *op, Type optype, Node *operand)
{
if (operand == NULL)
return;
if (nodeTag(operand) == T_Iter)
{
elog(ERROR, "An operand to the '%s' operator returns a set of %s,"
"\n\tbut '%s' takes single values, not sets.",
op, typeTypeName(optype), op);
}
}
/* make_op()
* Operator construction.
*