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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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5
src/include/nodes/parsenodes.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/nodes/parsenodes.h,v 1.367 2008/07/16 01:30:23 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.368 2008/07/18 03:32:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1570,7 +1570,8 @@ typedef enum FunctionParameterMode
FUNC_PARAM_IN = 'i', /* input only */
FUNC_PARAM_OUT = 'o', /* output only */
FUNC_PARAM_INOUT = 'b', /* both */
FUNC_PARAM_VARIADIC = 'v' /* variadic */
FUNC_PARAM_VARIADIC = 'v', /* variadic */
FUNC_PARAM_TABLE = 't' /* table function output column */
} FunctionParameterMode;
typedef struct FunctionParameter