120 lines
3.5 KiB
PL/PgSQL
120 lines
3.5 KiB
PL/PgSQL
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--
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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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INSERT INTO INT2_TBL(f1) VALUES (sqrt(-2));
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INSERT INTO INT2_TBL SELECT f1/0 FROM INT2_TBL;
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SELECT '' AS five, * FROM INT2_TBL ORDER BY f1;
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SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int2 '0' ORDER BY f1;
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SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> int4 '0' ORDER BY f1;
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SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int2 '0' ORDER BY f1;
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SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = int4 '0' ORDER BY f1;
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SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int2 '0' ORDER BY f1;
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SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < int4 '0' ORDER BY f1;
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SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int2 '0' ORDER BY f1;
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SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= int4 '0' ORDER BY f1;
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SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int2 '0' ORDER BY f1;
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SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > int4 '0' ORDER BY f1;
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SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int2 '0' ORDER BY f1;
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SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= int4 '0' ORDER BY f1;
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-- positive odds
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SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % int2 '2') = int2 '1' ORDER BY f1;
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-- any evens
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SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % int4 '2') = int2 '0' ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 * int2 '2' AS x FROM INT2_TBL i
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WHERE abs(f1) < 16384 ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 * int4 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 + int2 '2' AS x FROM INT2_TBL i
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WHERE f1 < 32766 ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 + int4 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 - int2 '2' AS x FROM INT2_TBL i
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WHERE f1 > -32767 ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 - int4 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 / int2 '2' AS x FROM INT2_TBL i ORDER BY f1;
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SELECT '' AS five, i.f1, i.f1 / int4 '2' AS x FROM INT2_TBL i ORDER BY f1;
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-- divide zero
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SELECT (0)::int2 / (-2)::int2;
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SELECT (0)::int2 / (-2)::int4;
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SELECT (0)::int2 / (-2)::int8;
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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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set behavior_compat_options ='unbind_divide_bound';
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SELECT (-32768)::int2 / (-1)::int2;
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reset behavior_compat_options;
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-- check overflow case during dn insert
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CREATE TABLE t_num(a numeric(2,1));
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CREATE FUNCTION test_insert(IN iter int) RETURNS integer AS $$
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BEGIN
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forall i in 1..iter
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INSERT INTO t_num SELECT f1 FROM INT2_TBL;
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return iter;
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END;
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$$ LANGUAGE plpgsql;
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SELECT test_insert(1);
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DROP FUNCtION test_insert;
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DROP TABLE t_num;
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