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Per SQL spec (in particular, the grammar in SQL:2008 7.13) we should allow

Mon, 6 Jul 2009 02:58:40 +0000 (02:58 +0000)

parentheses around the <query expression body> that follows a WITH clause, eg
with cte(foo) as ( values(0) ) ((select foo from cte));
This seems to be just an oversight/thinko in gram.y. Noted while
experimenting with bug #4902.

src/backend/parser/gram.y patch | blob | blame | history

diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y

index 280443074f5de72d1b2ad80bc81729b36ca27448..06499fa9bc928195e62736c07f18d09a84def965 100644 (file)

--- a/src/backend/parser/gram.y

+++ b/src/backend/parser/gram.y

@@ -11,7 +11,7 @@

* IDENTIFICATION

- * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.665 2009年06月18日 01:27:02 tgl Exp $

+ * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.666 2009年07月06日 02:58:40 tgl Exp $

* HISTORY

* AUTHOR DATE MAJOR EVENT

@@ -6879,7 +6879,7 @@ select_no_parens:

NULL);

$$ = 1ドル;

}

- | with_clause simple_select

+ | with_clause select_clause

{

insertSelectOptions((SelectStmt *) 2,ドル NULL, NIL,

NULL, NULL,

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