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Add generate_subscripts, a series-generation function which generates an

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array's subscripts.

Pavel Stehule, some editorialization by me.
This commit is contained in:
Alvaro Herrera
2008-04-28 14:48:58 +00:00
parent a1d479f518
commit 1fcb977a13
7 changed files with 253 additions and 6 deletions
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4
src/include/utils/array.h
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@ -49,7 +49,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/array.h,v 1.66 2008/01/01 19:45:59 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/array.h,v 1.67 2008/04/28 14:48:57 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -200,6 +200,8 @@ extern Datum array_lower(PG_FUNCTION_ARGS);
extern Datum array_upper(PG_FUNCTION_ARGS);
extern Datum array_larger(PG_FUNCTION_ARGS);
extern Datum array_smaller(PG_FUNCTION_ARGS);
extern Datum generate_subscripts(PG_FUNCTION_ARGS);
extern Datum generate_subscripts_nodir(PG_FUNCTION_ARGS);
extern Datum array_ref(ArrayType *array, int nSubscripts, int *indx,
int arraytyplen, int elmlen, bool elmbyval, char elmalign,