hcq/postgresql
1
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2026-02-12 09:27:04 +08:00
Code Issues Packages Projects Releases Wiki Activity

Allow referring to functions without arguments when unique

Browse Source 
In DDL commands referring to an existing function, allow omitting the
argument list if the function name is unique in its schema, per SQL
standard.

This uses the same logic that the regproc type uses for finding
functions by name only.

Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-03-09 23:58:48 -05:00
parent 3f6ea5fc8d
commit aefeb68741
17 changed files with 143 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/test/regress/sql/create_function_3.sql
View File

@ -158,6 +158,14 @@ SELECT routine_name, ordinal_position, parameter_name, parameter_default
DROP FUNCTION functest_IS_1(int, int, text), functest_IS_2(int), functest_IS_3(int);
-- overload
CREATE FUNCTION functest_B_2(bigint) RETURNS bool LANGUAGE 'sql'
IMMUTABLE AS 'SELECT $1 > 0';
DROP FUNCTION functest_b_1;
DROP FUNCTION functest_b_1; -- error, not found
DROP FUNCTION functest_b_2; -- error, ambiguous
-- Cleanups
DROP SCHEMA temp_func_test CASCADE;