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QUERY: CREATE TABLE INT4_TBL(f1 int4);QUERY: INSERT INTO INT4_TBL(f1) VALUES ('0');QUERY: INSERT INTO INT4_TBL(f1) VALUES ('123456');QUERY: INSERT INTO INT4_TBL(f1) VALUES ('-123456');QUERY: INSERT INTO INT4_TBL(f1) VALUES ('34.5');ERROR: pg_atoi: error in "34.5": can't parse ".5"QUERY: INSERT INTO INT4_TBL(f1) VALUES ('2147483647');QUERY: INSERT INTO INT4_TBL(f1) VALUES ('-2147483647');QUERY: INSERT INTO INT4_TBL(f1) VALUES ('1000000000000');ERROR: pg_atoi: error reading "1000000000000": Result too largeQUERY: INSERT INTO INT4_TBL(f1) VALUES ('asdf');ERROR: pg_atoi: error in "asdf": can't parse "asdf"QUERY: SELECT '' AS five, INT4_TBL.*;five| f1----+----------- | 0 | 123456 | -123456 | 2147483647 |-2147483647(5 rows)QUERY: SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> '0'::int2;four| f1----+----------- | 123456 | -123456 | 2147483647 |-2147483647(4 rows)QUERY: SELECT '' AS four, i.* FROM INT4_TBL i WHERE i.f1 <> '0'::int4;four| f1----+----------- | 123456 | -123456 | 2147483647 |-2147483647(4 rows)QUERY: SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = '0'::int2;one|f1---+-- | 0(1 row)QUERY: SELECT '' AS one, i.* FROM INT4_TBL i WHERE i.f1 = '0'::int4;one|f1---+-- | 0(1 row)QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < '0'::int2;two| f1---+----------- | -123456 |-2147483647(2 rows)QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 < '0'::int4;two| f1---+----------- | -123456 |-2147483647(2 rows)QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= '0'::int2;three| f1-----+----------- | 0 | -123456 |-2147483647(3 rows)QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 <= '0'::int4;three| f1-----+----------- | 0 | -123456 |-2147483647(3 rows)QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > '0'::int2;two| f1---+---------- | 123456 |2147483647(2 rows)QUERY: SELECT '' AS two, i.* FROM INT4_TBL i WHERE i.f1 > '0'::int4;two| f1---+---------- | 123456 |2147483647(2 rows)QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= '0'::int2;three| f1-----+---------- | 0 | 123456 |2147483647(3 rows)QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE i.f1 >= '0'::int4;three| f1-----+---------- | 0 | 123456 |2147483647(3 rows)QUERY: SELECT '' AS one, i.* FROM INT4_TBL i WHERE (i.f1 % '2'::int2) = '1'::int2;one| f1---+---------- |2147483647(1 row)QUERY: SELECT '' AS three, i.* FROM INT4_TBL i WHERE (i.f1 % '2'::int4) = '0'::int2;three| f1-----+------- | 0 | 123456 |-123456(3 rows)QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int2 AS x FROM INT4_TBL i;five| f1| x----+-----------+------- | 0| 0 | 123456| 246912 | -123456|-246912 | 2147483647| -2 |-2147483647| 2(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int4 AS x FROM INT4_TBL i;five| f1| x----+-----------+------- | 0| 0 | 123456| 246912 | -123456|-246912 | 2147483647| -2 |-2147483647| 2(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int2 AS x FROM INT4_TBL i;five| f1| x----+-----------+----------- | 0| 2 | 123456| 123458 | -123456| -123454 | 2147483647|-2147483647 |-2147483647|-2147483645(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int4 AS x FROM INT4_TBL i;five| f1| x----+-----------+----------- | 0| 2 | 123456| 123458 | -123456| -123454 | 2147483647|-2147483647 |-2147483647|-2147483645(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int2 AS x FROM INT4_TBL i;five| f1| x----+-----------+---------- | 0| -2 | 123456| 123454 | -123456| -123458 | 2147483647|2147483645 |-2147483647|2147483647(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int4 AS x FROM INT4_TBL i;five| f1| x----+-----------+---------- | 0| -2 | 123456| 123454 | -123456| -123458 | 2147483647|2147483645 |-2147483647|2147483647(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int2 AS x FROM INT4_TBL i;five| f1| x----+-----------+----------- | 0| 0 | 123456| 61728 | -123456| -61728 | 2147483647| 1073741823 |-2147483647|-1073741823(5 rows)QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int4 AS x FROM INT4_TBL i;five| f1| x----+-----------+----------- | 0| 0 | 123456| 61728 | -123456| -61728 | 2147483647| 1073741823 |-2147483647|-1073741823(5 rows)QUERY: SELECT -2+3 AS one;one--- 1(1 row)QUERY: SELECT 4-2 AS two;two--- 2(1 row)QUERY: SELECT 2- -1 AS three;three----- 3(1 row)QUERY: SELECT 2 - -2 AS four;four---- 4(1 row)QUERY: SELECT '2'::int2 * '2'::int2 = '16'::int2 / '4'::int2 AS true;true----t (1 row)QUERY: SELECT '2'::int4 * '2'::int2 = '16'::int2 / '4'::int4 AS true;true----t (1 row)QUERY: SELECT '2'::int2 * '2'::int4 = '16'::int4 / '4'::int2 AS true;true----t (1 row)QUERY: SELECT '1000'::int4 < '999'::int4 AS false;false-----f (1 row)QUERY: SELECT 4! AS twenty_four;twenty_four----------- 24(1 row)QUERY: SELECT !!3 AS six;six--- 6(1 row)QUERY: SELECT 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 AS ten;ten--- 10(1 row)QUERY: SELECT 2 + 2 / 2 AS three;three----- 3(1 row)QUERY: SELECT (2 + 2) / 2 AS two;two--- 2(1 row)QUERY: SELECT dsqrt('64'::float8) AS eight;eight----- 8(1 row)QUERY: SELECT |/'64'::float8 AS eight;eight----- 8(1 row)QUERY: SELECT ||/'27'::float8 AS three;three----- 3(1 row)
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