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Fix 3-parameter form of bit substring() to throw error for negative length,

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as required by SQL standard.
This commit is contained in:
Tom Lane
2010-01-07 20:17:44 +00:00
parent e4a6ebf7de
commit 50626efe0a
4 changed files with 33 additions and 12 deletions
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3
src/include/utils/varbit.h
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@@ -8,7 +8,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/varbit.h,v 1.29 2010/01/02 16:58:10 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/varbit.h,v 1.30 2010/01/07 20:17:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -88,6 +88,7 @@ extern Datum bitshiftleft(PG_FUNCTION_ARGS);
extern Datum bitshiftright(PG_FUNCTION_ARGS);
extern Datum bitcat(PG_FUNCTION_ARGS);
extern Datum bitsubstr(PG_FUNCTION_ARGS);
extern Datum bitsubstr_no_len(PG_FUNCTION_ARGS);
extern Datum bitlength(PG_FUNCTION_ARGS);
extern Datum bitoctetlength(PG_FUNCTION_ARGS);
extern Datum bitfromint4(PG_FUNCTION_ARGS);