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Many older tests where written in a style like
SELECT '' AS two, i.* FROM INT2_TBL
where the first column indicated the number of expected result rows.
This has gotten increasingly out of date, as the test data fixtures
have expanded, so a lot of these were wrong and misleading. Moreover,
this style isn't really necessary, since the psql output already shows
the number of result rows.
To clean this up, remove all those extra columns.
Discussion: https://www.postgresql.org/message-id/flat/1a25312b-2686-380d-3c67-7a69094a999f%40enterprisedb.com
114 lines
2.9 KiB
SQL
114 lines
2.9 KiB
SQL
--
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-- INT2
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--
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CREATE TABLE INT2_TBL(f1 int2);
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INSERT INTO INT2_TBL(f1) VALUES ('0 ');
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INSERT INTO INT2_TBL(f1) VALUES (' 1234 ');
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INSERT INTO INT2_TBL(f1) VALUES (' -1234');
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INSERT INTO INT2_TBL(f1) VALUES ('34.5');
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-- largest and smallest values
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INSERT INTO INT2_TBL(f1) VALUES ('32767');
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INSERT INTO INT2_TBL(f1) VALUES ('-32767');
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-- bad input values -- should give errors
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INSERT INTO INT2_TBL(f1) VALUES ('100000');
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INSERT INTO INT2_TBL(f1) VALUES ('asdf');
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INSERT INTO INT2_TBL(f1) VALUES (' ');
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INSERT INTO INT2_TBL(f1) VALUES ('- 1234');
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INSERT INTO INT2_TBL(f1) VALUES ('4 444');
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INSERT INTO INT2_TBL(f1) VALUES ('123 dt');
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INSERT INTO INT2_TBL(f1) VALUES ('');
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SELECT * FROM INT2_TBL;
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 = int2 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 = int4 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 < int2 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 < int4 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 > int2 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 > int4 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0';
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SELECT i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0';
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-- positive odds
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SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1';
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-- any evens
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SELECT i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0';
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SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
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WHERE abs(f1) < 16384;
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SELECT i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
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WHERE f1 < 32766;
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SELECT i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
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WHERE f1 > -32767;
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SELECT i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i;
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SELECT i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i;
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-- corner cases
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SELECT (-1::int2<<15)::text;
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SELECT ((-1::int2<<15)+1::int2)::text;
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-- check sane handling of INT16_MIN overflow cases
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SELECT (-32768)::int2 * (-1)::int2;
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SELECT (-32768)::int2 / (-1)::int2;
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SELECT (-32768)::int2 % (-1)::int2;
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-- check rounding when casting from float
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SELECT x, x::int2 AS int2_value
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FROM (VALUES (-2.5::float8),
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(-1.5::float8),
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(-0.5::float8),
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(0.0::float8),
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(0.5::float8),
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(1.5::float8),
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(2.5::float8)) t(x);
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-- check rounding when casting from numeric
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SELECT x, x::int2 AS int2_value
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FROM (VALUES (-2.5::numeric),
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(-1.5::numeric),
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(-0.5::numeric),
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(0.0::numeric),
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(0.5::numeric),
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(1.5::numeric),
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(2.5::numeric)) t(x);
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