268 lines
5.6 KiB
SQL
268 lines
5.6 KiB
SQL
--
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-- BOOLEAN
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--
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--
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-- sanity check - if this fails go insane!
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--
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SELECT 1 AS one;
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-- ******************testing built-in type bool********************
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-- check bool input syntax
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SELECT true AS true;
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SELECT false AS false;
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SELECT bool 't' AS true;
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SELECT bool ' f ' AS false;
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SELECT bool 'true' AS true;
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SELECT bool 'test' AS error;
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SELECT bool 'false' AS false;
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SELECT bool 'foo' AS error;
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SELECT bool 'y' AS true;
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SELECT bool 'yes' AS true;
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SELECT bool 'yeah' AS error;
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SELECT bool 'n' AS false;
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SELECT bool 'no' AS false;
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SELECT bool 'nay' AS error;
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SELECT bool 'on' AS true;
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SELECT bool 'off' AS false;
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SELECT bool 'of' AS false;
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SELECT bool 'o' AS error;
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SELECT bool 'on_' AS error;
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SELECT bool 'off_' AS error;
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SELECT bool '1' AS true;
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SELECT bool '11' AS error;
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SELECT bool '0' AS false;
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SELECT bool '000' AS error;
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SELECT bool '' AS error;
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-- Also try it with non-error-throwing API
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SELECT pg_input_is_valid('true', 'bool');
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SELECT pg_input_is_valid('asdf', 'bool');
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SELECT * FROM pg_input_error_info('junk', 'bool');
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-- and, or, not in qualifications
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SELECT bool 't' or bool 'f' AS true;
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SELECT bool 't' and bool 'f' AS false;
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SELECT not bool 'f' AS true;
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SELECT bool 't' = bool 'f' AS false;
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SELECT bool 't' <> bool 'f' AS true;
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SELECT bool 't' > bool 'f' AS true;
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SELECT bool 't' >= bool 'f' AS true;
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SELECT bool 'f' < bool 't' AS true;
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SELECT bool 'f' <= bool 't' AS true;
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-- explicit casts to/from text
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SELECT 'TrUe'::text::boolean AS true, 'fAlse'::text::boolean AS false;
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SELECT ' true '::text::boolean AS true,
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' FALSE'::text::boolean AS false;
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SELECT true::boolean::text AS true, false::boolean::text AS false;
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SELECT ' tru e '::text::boolean AS invalid; -- error
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SELECT ''::text::boolean AS invalid; -- error
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CREATE TABLE BOOLTBL1 (f1 bool);
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INSERT INTO BOOLTBL1 (f1) VALUES (bool 't');
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INSERT INTO BOOLTBL1 (f1) VALUES (bool 'True');
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INSERT INTO BOOLTBL1 (f1) VALUES (bool 'true');
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-- BOOLTBL1 should be full of true's at this point
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SELECT BOOLTBL1.* FROM BOOLTBL1;
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SELECT BOOLTBL1.*
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FROM BOOLTBL1
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WHERE f1 = bool 'true';
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SELECT BOOLTBL1.*
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FROM BOOLTBL1
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WHERE f1 <> bool 'false';
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SELECT BOOLTBL1.*
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FROM BOOLTBL1
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WHERE booleq(bool 'false', f1);
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INSERT INTO BOOLTBL1 (f1) VALUES (bool 'f');
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SELECT BOOLTBL1.*
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FROM BOOLTBL1
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WHERE f1 = bool 'false';
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CREATE TABLE BOOLTBL2 (f1 bool);
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INSERT INTO BOOLTBL2 (f1) VALUES (bool 'f');
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INSERT INTO BOOLTBL2 (f1) VALUES (bool 'false');
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INSERT INTO BOOLTBL2 (f1) VALUES (bool 'False');
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INSERT INTO BOOLTBL2 (f1) VALUES (bool 'FALSE');
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-- This is now an invalid expression
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-- For pre-v6.3 this evaluated to false - thomas 1997-10-23
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INSERT INTO BOOLTBL2 (f1)
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VALUES (bool 'XXX');
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-- BOOLTBL2 should be full of false's at this point
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SELECT BOOLTBL2.* FROM BOOLTBL2;
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SELECT BOOLTBL1.*, BOOLTBL2.*
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FROM BOOLTBL1, BOOLTBL2
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WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
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SELECT BOOLTBL1.*, BOOLTBL2.*
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FROM BOOLTBL1, BOOLTBL2
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WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
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SELECT BOOLTBL1.*, BOOLTBL2.*
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FROM BOOLTBL1, BOOLTBL2
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WHERE BOOLTBL2.f1 = BOOLTBL1.f1 and BOOLTBL1.f1 = bool 'false';
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SELECT BOOLTBL1.*, BOOLTBL2.*
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FROM BOOLTBL1, BOOLTBL2
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WHERE BOOLTBL2.f1 = BOOLTBL1.f1 or BOOLTBL1.f1 = bool 'true'
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ORDER BY BOOLTBL1.f1, BOOLTBL2.f1;
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--
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-- SQL syntax
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-- Try all combinations to ensure that we get nothing when we expect nothing
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-- - thomas 2000-01-04
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--
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SELECT f1
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FROM BOOLTBL1
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WHERE f1 IS TRUE;
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SELECT f1
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FROM BOOLTBL1
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WHERE f1 IS NOT FALSE;
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SELECT f1
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FROM BOOLTBL1
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WHERE f1 IS FALSE;
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SELECT f1
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FROM BOOLTBL1
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WHERE f1 IS NOT TRUE;
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SELECT f1
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FROM BOOLTBL2
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WHERE f1 IS TRUE;
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SELECT f1
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FROM BOOLTBL2
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WHERE f1 IS NOT FALSE;
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SELECT f1
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FROM BOOLTBL2
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WHERE f1 IS FALSE;
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SELECT f1
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FROM BOOLTBL2
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WHERE f1 IS NOT TRUE;
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--
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-- Tests for BooleanTest
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--
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CREATE TABLE BOOLTBL3 (d text, b bool, o int);
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INSERT INTO BOOLTBL3 (d, b, o) VALUES ('true', true, 1);
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INSERT INTO BOOLTBL3 (d, b, o) VALUES ('false', false, 2);
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INSERT INTO BOOLTBL3 (d, b, o) VALUES ('null', null, 3);
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SELECT
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d,
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b IS TRUE AS istrue,
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b IS NOT TRUE AS isnottrue,
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b IS FALSE AS isfalse,
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b IS NOT FALSE AS isnotfalse,
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b IS UNKNOWN AS isunknown,
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b IS NOT UNKNOWN AS isnotunknown
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FROM booltbl3 ORDER BY o;
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-- Test to make sure short-circuiting and NULL handling is
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-- correct. Use a table as source to prevent constant simplification
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-- from interfering.
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CREATE TABLE booltbl4(isfalse bool, istrue bool, isnul bool);
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INSERT INTO booltbl4 VALUES (false, true, null);
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\pset null '(null)'
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-- AND expression need to return null if there's any nulls and not all
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-- of the value are true
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SELECT istrue AND isnul AND istrue FROM booltbl4;
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SELECT istrue AND istrue AND isnul FROM booltbl4;
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SELECT isnul AND istrue AND istrue FROM booltbl4;
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SELECT isfalse AND isnul AND istrue FROM booltbl4;
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SELECT istrue AND isfalse AND isnul FROM booltbl4;
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SELECT isnul AND istrue AND isfalse FROM booltbl4;
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-- OR expression need to return null if there's any nulls and none
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-- of the value is true
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SELECT isfalse OR isnul OR isfalse FROM booltbl4;
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SELECT isfalse OR isfalse OR isnul FROM booltbl4;
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SELECT isnul OR isfalse OR isfalse FROM booltbl4;
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SELECT isfalse OR isnul OR istrue FROM booltbl4;
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SELECT istrue OR isfalse OR isnul FROM booltbl4;
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SELECT isnul OR istrue OR isfalse FROM booltbl4;
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--
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-- Clean up
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-- Many tables are retained by the regression test, but these do not seem
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-- particularly useful so just get rid of them for now.
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-- - thomas 1997-11-30
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--
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DROP TABLE BOOLTBL1;
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DROP TABLE BOOLTBL2;
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DROP TABLE BOOLTBL3;
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DROP TABLE BOOLTBL4;
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