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61ef6a1a3f
rather than the Postgres "::" notation. All of these tests have been completely inspected and give correct results.
112 lines
2.7 KiB
SQL
112 lines
2.7 KiB
SQL
--
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-- INT4
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-- WARNING: int4 operators never check for over/underflow!
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-- Some of these answers are consequently numerically incorrect.
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--
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CREATE TABLE INT4_TBL(f1 int4);
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INSERT INTO INT4_TBL(f1) VALUES ('0');
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INSERT INTO INT4_TBL(f1) VALUES ('123456');
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INSERT INTO INT4_TBL(f1) VALUES ('-123456');
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INSERT INTO INT4_TBL(f1) VALUES ('34.5');
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-- largest and smallest values
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INSERT INTO INT4_TBL(f1) VALUES ('2147483647');
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INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');
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-- bad input values -- should give warnings
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INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');
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INSERT INTO INT4_TBL(f1) VALUES ('asdf');
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SELECT '' AS five, INT4_TBL.*;
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SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int2 '0';
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SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> int4 '0';
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SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int2 '0';
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SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = int4 '0';
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int2 '0';
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < int4 '0';
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int2 '0';
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= int4 '0';
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int2 '0';
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SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > int4 '0';
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int2 '0';
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= int4 '0';
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-- positive odds
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SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
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-- any evens
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SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
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SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT4_TBL i;
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SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT4_TBL i;
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--
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-- more complex expressions
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--
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-- variations on unary minus parsing
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SELECT -2+3 AS one;
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SELECT 4-2 AS two;
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SELECT 2- -1 AS three;
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SELECT 2 - -2 AS four;
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SELECT int2 '2' * int2 '2' = int2 '16' / int2 '4' AS true;
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SELECT int4 '2' * int2 '2' = int2 '16' / int4 '4' AS true;
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SELECT int2 '2' * int4 '2' = int4 '16' / int2 '4' AS true;
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SELECT int4 '1000' < int4 '999' AS false;
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SELECT 4! AS twenty_four;
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SELECT !!3 AS six;
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SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;
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SELECT 2 + 2 / 2 AS three;
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SELECT (2 + 2) / 2 AS two;
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SELECT dsqrt(float8 '64') AS eight;
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SELECT |/float8 '64' AS eight;
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SELECT ||/float8 '27' AS three;
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