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Implement SQL-spec RETURNS TABLE syntax for functions.

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(Unlike the original submission, this patch treats TABLE output parameters
as being entirely equivalent to OUT parameters -- tgl)

Pavel Stehule
This commit is contained in:
Tom Lane
2008-07-18 03:32:53 +00:00
parent a8fb90cf2d
commit 69a785b8bf
23 changed files with 626 additions and 85 deletions
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4
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.318 2008/07/03 20:58:47 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.319 2008/07/18 03:32:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -551,6 +551,8 @@ extern Datum pg_get_expr(PG_FUNCTION_ARGS);
extern Datum pg_get_expr_ext(PG_FUNCTION_ARGS);
extern Datum pg_get_userbyid(PG_FUNCTION_ARGS);
extern Datum pg_get_serial_sequence(PG_FUNCTION_ARGS);
extern Datum pg_get_function_arguments(PG_FUNCTION_ARGS);
extern Datum pg_get_function_result(PG_FUNCTION_ARGS);
extern char *deparse_expression(Node *expr, List *dpcontext,
bool forceprefix, bool showimplicit);
extern List *deparse_context_for(const char *aliasname, Oid relid);