openGauss-server/contrib/file_fdw/input/file_fdw.source

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--
-- Test foreign-data wrapper file_fdw.
--
-- Clean up in case a prior regression run failed
SET client_min_messages TO 'error';
DROP ROLE IF EXISTS file_fdw_superuser, file_fdw_user, no_priv_user;
RESET client_min_messages;
CREATE ROLE file_fdw_superuser LOGIN sysadmin PASSWORD 'Gauss_123'; -- is a superuser
CREATE ROLE file_fdw_user LOGIN pguser PASSWORD 'Gauss_123'; -- has priv and user mapping
CREATE ROLE no_priv_user LOGIN PASSWORD 'Gauss_123'; -- has priv but no user mapping
-- file_fdw_superuser owns fdw-related objects
SET ROLE file_fdw_superuser PASSWORD 'Gauss_123';
CREATE SERVER file_server FOREIGN DATA WRAPPER file_fdw;
-- privilege tests
SET ROLE file_fdw_user PASSWORD 'Gauss_123';
CREATE FOREIGN DATA WRAPPER file_fdw HANDLER file_fdw_handler VALIDATOR file_fdw_validator; -- ERROR
CREATE SERVER file_server FOREIGN DATA WRAPPER file_fdw; -- ERROR
CREATE USER MAPPING FOR file_fdw_user SERVER file_server; -- ERROR
SET ROLE file_fdw_superuser PASSWORD 'Gauss_123';
GRANT USAGE ON FOREIGN SERVER file_server TO file_fdw_user;
SET ROLE file_fdw_user PASSWORD 'Gauss_123';
CREATE USER MAPPING FOR file_fdw_user SERVER file_server;
-- create user mappings and grant privilege to test users
SET ROLE file_fdw_superuser PASSWORD 'Gauss_123';
CREATE USER MAPPING FOR file_fdw_superuser SERVER file_server;
CREATE USER MAPPING FOR no_priv_user SERVER file_server;
-- validator tests
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'xml'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', header 'true'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', quote ':'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', escape ':'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'binary', header 'true'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'binary', quote ':'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'binary', escape ':'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', delimiter 'a'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', escape '-'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', quote '-', null '=-='); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', delimiter '-', null '=-='); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', delimiter '-', quote '-'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', delimiter '---'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', quote '---'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', escape '---'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', delimiter '\'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', delimiter '.'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', delimiter '1'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'text', delimiter 'a'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', delimiter '
'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (format 'csv', null '
'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server; -- ERROR
CREATE FOREIGN TABLE agg_text (
a int2,
b float4
) SERVER file_server
OPTIONS (format 'text', filename '@abs_srcdir@/data/agg.data', delimiter ' ', null '\N');
GRANT SELECT ON agg_text TO file_fdw_user;
CREATE FOREIGN TABLE agg_csv (
a int2,
b float4
) SERVER file_server
OPTIONS (format 'csv', filename '@abs_srcdir@/data/agg.csv', header 'true', delimiter ';', quote '@', escape '"', null '');
CREATE FOREIGN TABLE agg_bad (
a int2,
b float4
) SERVER file_server
OPTIONS (format 'csv', filename '@abs_srcdir@/data/agg.bad', header 'true', delimiter ';', quote '@', escape '"', null '');
-- per-column options tests
CREATE FOREIGN TABLE text_csv (
word1 text OPTIONS (force_not_null 'true'),
word2 text OPTIONS (force_not_null 'off')
) SERVER file_server
OPTIONS (format 'text', filename '@abs_srcdir@/data/text.csv', null 'NULL');
SELECT * FROM text_csv; -- ERROR
ALTER FOREIGN TABLE text_csv OPTIONS (SET format 'csv');
SELECT * FROM text_csv;
-- force_not_null is not allowed to be specified at any foreign object level:
ALTER FOREIGN DATA WRAPPER file_fdw OPTIONS (ADD force_not_null '*'); -- ERROR
ALTER SERVER file_server OPTIONS (ADD force_not_null '*'); -- ERROR
CREATE USER MAPPING FOR public SERVER file_server OPTIONS (force_not_null '*'); -- ERROR
CREATE FOREIGN TABLE tbl (a int) SERVER file_server OPTIONS (force_not_null '*'); -- ERROR
-- basic query tests
SELECT * FROM agg_text WHERE b > 10.0 ORDER BY a;
SELECT * FROM agg_csv ORDER BY a;
SELECT * FROM agg_csv c JOIN agg_text t ON (t.a = c.a) ORDER BY c.a;
-- error context report tests
SELECT * FROM agg_bad; -- ERROR
-- misc query tests
\t on
EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_csv;
\t off
PREPARE st(int) AS SELECT * FROM agg_csv WHERE a = $1;
EXECUTE st(100);
EXECUTE st(100);
DEALLOCATE st;
SELECT b FROM agg_csv;
-- updates aren't supported
INSERT INTO agg_csv VALUES(1,2.0);
UPDATE agg_csv SET a = 1;
DELETE FROM agg_csv WHERE a = 100;
-- but this should be ignored
SELECT * FROM agg_csv FOR UPDATE;
-- privilege tests
SET ROLE file_fdw_superuser PASSWORD 'Gauss_123';
SELECT * FROM agg_text ORDER BY a;
SET ROLE file_fdw_user PASSWORD 'Gauss_123';
SELECT * FROM agg_text ORDER BY a;
SET ROLE no_priv_user PASSWORD 'Gauss_123';
SELECT * FROM agg_text ORDER BY a; -- ERROR
SET ROLE file_fdw_user PASSWORD 'Gauss_123';
\t on
EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_text WHERE a > 0;
\t off
-- privilege tests for object
SET ROLE file_fdw_superuser PASSWORD 'Gauss_123';
ALTER FOREIGN TABLE agg_text OWNER TO file_fdw_user;
ALTER FOREIGN TABLE agg_text OPTIONS (SET format 'text');
SET ROLE file_fdw_user PASSWORD 'Gauss_123';
ALTER FOREIGN TABLE agg_text OPTIONS (SET format 'text');
SET ROLE file_fdw_superuser PASSWORD 'Gauss_123';
-- cleanup
RESET ROLE;
DROP FOREIGN TABLE agg_bad, agg_csv, text_csv;
DROP USER MAPPING FOR file_fdw_superuser SERVER file_server;
DROP SERVER file_server CASCADE;;
DROP ROLE file_fdw_superuser, file_fdw_user, no_priv_user;