mirror of https://github.com/postgres/postgres
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
1.9 KiB
95 lines
1.9 KiB
--
|
|
-- boolean.source
|
|
--
|
|
-- $Header: /cvsroot/pgsql/src/test/regress/sql/boolean.sql,v 1.1 1997/04/05 11:08:15 scrappy Exp $
|
|
--
|
|
|
|
--
|
|
-- sanity check - if this fails go insane!
|
|
--
|
|
SELECT 1 AS one;
|
|
|
|
|
|
-- ******************testing built-in type bool********************
|
|
|
|
-- check bool type-casting as well as and, or, not in qualifications--
|
|
|
|
SELECT 't'::bool AS true;
|
|
|
|
SELECT 'f'::bool AS false;
|
|
|
|
SELECT 't'::bool or 'f'::bool AS true;
|
|
|
|
SELECT 't'::bool and 'f'::bool AS false;
|
|
|
|
SELECT not 'f'::bool AS true;
|
|
|
|
SELECT 't'::bool = 'f'::bool AS false;
|
|
|
|
SELECT 't'::bool <> 'f'::bool AS true;
|
|
|
|
|
|
CREATE TABLE BOOLTBL1 (f1 bool);
|
|
|
|
INSERT INTO BOOLTBL1 (f1) VALUES ('t'::bool);
|
|
|
|
INSERT INTO BOOLTBL1 (f1) VALUES ('True'::bool);
|
|
|
|
INSERT INTO BOOLTBL1 (f1) VALUES ('true'::bool);
|
|
|
|
|
|
-- BOOLTBL1 should be full of true's at this point
|
|
SELECT '' AS t_3, BOOLTBL1.*;
|
|
|
|
|
|
SELECT '' AS t_3, BOOLTBL1.*
|
|
FROM BOOLTBL1
|
|
WHERE f1 = 'true'::bool;
|
|
|
|
|
|
SELECT '' AS t_3, BOOLTBL1.*
|
|
FROM BOOLTBL1
|
|
WHERE f1 <> 'false'::bool;
|
|
|
|
SELECT '' AS zero, BOOLTBL1.*
|
|
FROM BOOLTBL1
|
|
WHERE booleq('false'::bool, f1);
|
|
|
|
INSERT INTO BOOLTBL1 (f1) VALUES ('f'::bool);
|
|
|
|
SELECT '' AS f_1, BOOLTBL1.*
|
|
FROM BOOLTBL1
|
|
WHERE f1 = 'false'::bool;
|
|
|
|
|
|
CREATE TABLE BOOLTBL2 (f1 bool);
|
|
|
|
INSERT INTO BOOLTBL2 (f1) VALUES ('f'::bool);
|
|
|
|
INSERT INTO BOOLTBL2 (f1) VALUES ('false'::bool);
|
|
|
|
INSERT INTO BOOLTBL2 (f1) VALUES ('False'::bool);
|
|
|
|
-- this evaluates to a false value
|
|
INSERT INTO BOOLTBL2 (f1)
|
|
VALUES ('XXX'::bool);
|
|
|
|
|
|
-- BOOLTBL2 should be full of false's at this point
|
|
SELECT '' AS f_4, BOOLTBL2.*;
|
|
|
|
|
|
SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
|
|
WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
|
|
|
|
|
|
SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
|
|
WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
|
|
|
|
|
|
SELECT '' AS ff_4, BOOLTBL1.*, BOOLTBL2.*
|
|
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = 'false'::bool;
|
|
|
|
|
|
SELECT '' AS tf_12_ff_4, BOOLTBL1.*, BOOLTBL2.*
|
|
WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = 'true'::bool;
|
|
|