From: | Jean-Pierre Pelletier <jppelletier(at)e-djuster(dot)com> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Subject: | pg_restore & search_path, COPY failed for table "mytable": ERROR: function myinnerfunction(integer) does not exist |
Date: | 2016-07-21 17:57:30 |
Message-ID: | 4c9fbd42cfdebef6726ce4a68baa51af@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi,
The following steps reproduce an error with pg_restore:
DROP TABLE IF EXISTS myTable;
DROP FUNCTION IF EXISTS myInnerFunction(INTEGER);
DROP FUNCTION IF EXISTS myOuterFunction(INTEGER);
DROP SCHEMA IF EXISTS myOtherSchema;
CREATE SCHEMA myOtherSchema;
SET search_path = myPrimarySchema, myOtherSchema, public;
CREATE OR REPLACE FUNCTION myOtherSchema.myInnerFunction(INTEGER) RETURNS
boolean
LANGUAGE sql IMMUTABLE STRICT
AS $$
SELECT TRUE;
$$;
CREATE OR REPLACE FUNCTION myOuterFunction(INTEGER) RETURNS boolean
LANGUAGE sql IMMUTABLE STRICT
AS $$
SELECT myInnerFunction($1);
$$;
CREATE TABLE myTable(
mycol INTEGER,
CONSTRAINT MyConstraint CHECK (myOuterFunction(mycol))
);
INSERT INTO myTable VALUES (1);
Do a pg_dump of myTable.
Doing a pg_restore, throws:
COPY failed for table "mytable": ERROR: function myinnerfunction(integer)
does not exist
LINE 2: SELECT myInnerFunction($1);
^
HINT: No function matches the given name and argument types. You might
need to add explicit type casts.
QUERY:
SELECT myInnerFunction($1);
CONTEXT: SQL function "myouterfunction" during inlining
Using pg_dump plain on myTable shows that search_path is set to
myPrimarySchema, pg_catalog, so is missing myOtherSchema.
I'm puzzled as to how search_path should be used,.
Should all references be schema qualified inside functions body ?
Or is search_path safe except in the body of functions used in index or
constraints ?
That's with version 9.5.3 & 9.6 beta 3.
Thanks,
Jean-Pierre Pelletier
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