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Bring SIMILAR TO and SUBSTRING into some semblance of conformance with

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the SQL99 standard.  (I'm not sure that the character-class features are
quite right, but that can be fixed later.)  Document SQL99 and POSIX
regexps as being different features; provide variants of SUBSTRING for
each.
This commit is contained in:
Tom Lane
2002-09-22 17:27:25 +00:00
parent ac355d558e
commit 9946b83ded
7 changed files with 683 additions and 381 deletions
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3
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: builtins.h,v 1.201 2002/09/19 22:48:34 tgl Exp $
* $Id: builtins.h,v 1.202 2002/09/22 17:27:25 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -371,6 +371,7 @@ extern Datum nameicregexne(PG_FUNCTION_ARGS);
extern Datum texticregexeq(PG_FUNCTION_ARGS);
extern Datum texticregexne(PG_FUNCTION_ARGS);
extern Datum textregexsubstr(PG_FUNCTION_ARGS);
extern Datum similar_escape(PG_FUNCTION_ARGS);
/* regproc.c */
extern Datum regprocin(PG_FUNCTION_ARGS);