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Re-introduce the yylex filter function formerly used to support UNION

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JOIN, which I removed in a recent fit of over-optimism that we wouldn't
have any future use for it.  Now it's needed to support disambiguating
WITH CHECK OPTION from WITH TIME ZONE.  As proof of concept, add stub
grammar productions for WITH CHECK OPTION.
This commit is contained in:
Tom Lane
2006-05-27 17:38:46 +00:00
parent 51b40f03a4
commit 0780ce6a93
4 changed files with 131 additions and 9 deletions
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5
src/include/parser/gramparse.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/gramparse.h,v 1.36 2006/05/21 20:10:42 tgl Exp $
* $PostgreSQL: pgsql/src/include/parser/gramparse.h,v 1.37 2006/05/27 17:38:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -40,6 +40,9 @@ extern bool escape_string_warning;
extern bool standard_conforming_strings;
/* from parser.c */
extern int filtered_base_yylex(void);
/* from scan.l */
extern void scanner_init(const char *str);
extern void scanner_finish(void);