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f086be3d39
type. Also, add explicit casts between boolean and text/varchar. Both of these changes are for conformance with SQL:2003. Update the regression tests, bump the catversion.
158 lines
3.3 KiB
SQL
158 lines
3.3 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 type-casting as well as and, or, not in qualifications--
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SELECT bool 't' AS true;
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SELECT bool ' f ' AS false;
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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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-- 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 '' AS t_3, BOOLTBL1.* FROM BOOLTBL1;
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SELECT '' AS t_3, BOOLTBL1.*
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FROM BOOLTBL1
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WHERE f1 = bool 'true';
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SELECT '' AS t_3, BOOLTBL1.*
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FROM BOOLTBL1
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WHERE f1 <> bool 'false';
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SELECT '' AS zero, 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 '' AS f_1, 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 '' AS f_4, BOOLTBL2.* FROM BOOLTBL2;
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SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
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FROM BOOLTBL1, BOOLTBL2
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WHERE BOOLTBL2.f1 <> BOOLTBL1.f1;
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SELECT '' AS tf_12, BOOLTBL1.*, BOOLTBL2.*
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FROM BOOLTBL1, BOOLTBL2
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WHERE boolne(BOOLTBL2.f1,BOOLTBL1.f1);
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SELECT '' AS ff_4, 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 '' AS tf_12_ff_4, 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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-- SQL92 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 '' AS "True", f1
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FROM BOOLTBL1
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WHERE f1 IS TRUE;
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SELECT '' AS "Not False", f1
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FROM BOOLTBL1
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WHERE f1 IS NOT FALSE;
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SELECT '' AS "False", f1
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FROM BOOLTBL1
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WHERE f1 IS FALSE;
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SELECT '' AS "Not True", f1
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FROM BOOLTBL1
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WHERE f1 IS NOT TRUE;
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SELECT '' AS "True", f1
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FROM BOOLTBL2
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WHERE f1 IS TRUE;
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SELECT '' AS "Not False", f1
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FROM BOOLTBL2
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WHERE f1 IS NOT FALSE;
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SELECT '' AS "False", f1
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FROM BOOLTBL2
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WHERE f1 IS FALSE;
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SELECT '' AS "Not True", f1
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FROM BOOLTBL2
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WHERE f1 IS NOT TRUE;
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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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