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Teach grammar and parser about aggregate(DISTINCT ...). No implementation

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yet, but at least we can give a better error message:
regression=> select count(distinct f1) from int4_tbl;
ERROR:  aggregate(DISTINCT ...) is not implemented yet
instead of 'parser: parse error at or near distinct'.
This commit is contained in:
Tom Lane
1999-12-10 07:37:35 +00:00
parent ecba5d308c
commit 18c3000286
11 changed files with 220 additions and 114 deletions
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4
src/backend/parser/parse_coerce.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.25 1999/11/22 17:56:20 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.26 1999/12/10 07:37:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -99,6 +99,8 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId, Oid targetTypeId,
n->funcname = typeTypeName(targetType);
n->args = lcons(node, NIL);
n->agg_star = false;
n->agg_distinct = false;
result = transformExpr(pstate, (Node *) n, EXPR_COLUMN_FIRST);