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Remove regex_flavor GUC, so that regular expressions are always "advanced"

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style by default.  Per discussion, there seems to be hardly anything that
really relies on being able to change the regex flavor, so the ability to
select it via embedded options ought to be enough for any stragglers.
Also, if we didn't remove the GUC, we'd really be morally obligated to
mark the regex functions non-immutable, which'd possibly create performance
issues.
This commit is contained in:
Tom Lane
2009-10-21 20:38:58 +00:00
parent 289e2905c8
commit ab61df9e52
10 changed files with 114 additions and 189 deletions
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3
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.340 2009/10/09 21:02:56 petere Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.341 2009/10/21 20:38:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -525,7 +525,6 @@ extern Datum regexp_split_to_table(PG_FUNCTION_ARGS);
extern Datum regexp_split_to_table_no_flags(PG_FUNCTION_ARGS);
extern Datum regexp_split_to_array(PG_FUNCTION_ARGS);
extern Datum regexp_split_to_array_no_flags(PG_FUNCTION_ARGS);
extern bool regex_flavor_is_basic(void);
/* regproc.c */
extern Datum regprocin(PG_FUNCTION_ARGS);