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Add string functions: concat(), concat_ws(), left(), right(), and reverse().

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Pavel Stehule, reviewed by me.
This commit is contained in:
Itagaki Takahiro
2010-08-24 06:30:44 +00:00
parent b9defe0405
commit 49b27ab551
7 changed files with 331 additions and 6 deletions
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8
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.354 2010/08/10 21:51:00 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.355 2010/08/24 06:30:44 itagaki Exp $
*
*-------------------------------------------------------------------------
*/
@ -733,6 +733,12 @@ extern Datum pg_column_size(PG_FUNCTION_ARGS);
extern Datum string_agg_transfn(PG_FUNCTION_ARGS);
extern Datum string_agg_finalfn(PG_FUNCTION_ARGS);
extern Datum text_concat(PG_FUNCTION_ARGS);
extern Datum text_concat_ws(PG_FUNCTION_ARGS);
extern Datum text_left(PG_FUNCTION_ARGS);
extern Datum text_right(PG_FUNCTION_ARGS);
extern Datum text_reverse(PG_FUNCTION_ARGS);
/* version.c */
extern Datum pgsql_version(PG_FUNCTION_ARGS);