database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-14 18:42:34 +03:00
Code Activity

Implement SQL-spec RETURNS TABLE syntax for functions.

Browse Source 
(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
Download Patch File Download Diff File Expand all files Collapse all files

10
src/backend/commands/functioncmds.c
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.97 2008/07/16 16:55:23 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.98 2008/07/18 03:32:52 tgl Exp $
*
* DESCRIPTION
* These routines take the parse tree and pick out the
@ -228,9 +228,10 @@ examine_parameter_list(List *parameters, Oid languageOid,
(errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
errmsg("functions cannot accept set arguments")));
if (fp->mode != FUNC_PARAM_OUT)
/* handle input parameters */
if (fp->mode != FUNC_PARAM_OUT && fp->mode != FUNC_PARAM_TABLE)
{
/* only OUT parameters can follow a VARIADIC parameter */
/* other input parameters can't follow a VARIADIC parameter */
if (varCount > 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
@ -238,9 +239,10 @@ examine_parameter_list(List *parameters, Oid languageOid,
inTypes[inCount++] = toid;
}
/* handle output parameters */
if (fp->mode != FUNC_PARAM_IN && fp->mode != FUNC_PARAM_VARIADIC)
{
if (outCount == 0) /* save first OUT param's type */
if (outCount == 0) /* save first output param's type */
*requiredResultType = toid;
outCount++;
}