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Support window functions a la SQL:2008.

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Hitoshi Harada, with some kibitzing from Heikki and Tom.
This commit is contained in:
Tom Lane
2008-12-28 18:54:01 +00:00
parent 38e9348282
commit 95b07bc7f5
92 changed files with 6720 additions and 321 deletions
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3
src/backend/parser/parse_coerce.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.172 2008/12/14 19:45:52 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.173 2008/12/28 18:53:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -746,6 +746,7 @@ build_coercion_expression(Node *node,
/* Assert(targetTypeId == procstruct->prorettype); */
Assert(!procstruct->proretset);
Assert(!procstruct->proisagg);
Assert(!procstruct->proiswindow);
nargs = procstruct->pronargs;
Assert(nargs >= 1 && nargs <= 3);
/* Assert(procstruct->proargtypes.values[0] == exprType(node)); */