int8-exp-three-digits.out update untested, might need refinement.
INSERT INTO INT8_TBL VALUES(' 123 ',' 456');
INSERT INTO INT8_TBL VALUES('123 ','4567890123456789');
INSERT INTO INT8_TBL VALUES('4567890123456789','123');
-INSERT INTO INT8_TBL VALUES('4567890123456789','4567890123456789');
-INSERT INTO INT8_TBL VALUES('4567890123456789','-4567890123456789');
+INSERT INTO INT8_TBL VALUES(+4567890123456789,'4567890123456789');
+INSERT INTO INT8_TBL VALUES('+4567890123456789','-4567890123456789');
-- bad inputs
INSERT INTO INT8_TBL(q1) VALUES (' ');
ERROR: invalid input syntax for integer: " "
4567890123456789 | -4567890123456789
(5 rows)
+-- int8/int8 cmp
+SELECT * FROM INT8_TBL WHERE q2 = 4567890123456789;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <> 4567890123456789;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 < 4567890123456789;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 > 4567890123456789;
+ q1 | q2
+----+----
+(0 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <= 4567890123456789;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(5 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 >= 4567890123456789;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+-- int8/int4 cmp
+SELECT * FROM INT8_TBL WHERE q2 = 456;
+ q1 | q2
+-----+-----
+ 123 | 456
+(1 row)
+
+SELECT * FROM INT8_TBL WHERE q2 <> 456;
+ q1 | q2
+------------------+-------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(4 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 < 456;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 > 456;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <= 456;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 >= 456;
+ q1 | q2
+------------------+------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(3 rows)
+
+-- int4/int8 cmp
+SELECT * FROM INT8_TBL WHERE 123 = q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 <> q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 < q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 > q1;
+ q1 | q2
+----+----
+(0 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 <= q1;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(5 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 >= q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
+-- int8/int2 cmp
+SELECT * FROM INT8_TBL WHERE q2 = '456'::int2;
+ q1 | q2
+-----+-----
+ 123 | 456
+(1 row)
+
+SELECT * FROM INT8_TBL WHERE q2 <> '456'::int2;
+ q1 | q2
+------------------+-------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(4 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 < '456'::int2;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 > '456'::int2;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <= '456'::int2;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 >= '456'::int2;
+ q1 | q2
+------------------+------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(3 rows)
+
+-- int2/int8 cmp
+SELECT * FROM INT8_TBL WHERE '123'::int2 = q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 <> q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 < q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 > q1;
+ q1 | q2
+----+----
+(0 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 <= q1;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(5 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 >= q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL;
five | plus | minus
------+------------------+-------------------
| 4567890123456789 | 123 | 561850485185185047
(3 rows)
-SELECT '' AS five, q1, q2, q1 / q2 AS divide FROM INT8_TBL;
- five | q1 | q2 | divide
-------+------------------+-------------------+----------------
- | 123 | 456 | 0
- | 123 | 4567890123456789 | 0
- | 4567890123456789 | 123 | 37137318076884
- | 4567890123456789 | 4567890123456789 | 1
- | 4567890123456789 | -4567890123456789 | -1
+SELECT '' AS five, q1, q2, q1 / q2 AS divide, q1 % q2 AS mod FROM INT8_TBL;
+ five | q1 | q2 | divide | mod
+------+------------------+-------------------+----------------+-----
+ | 123 | 456 | 0 | 123
+ | 123 | 4567890123456789 | 0 | 123
+ | 4567890123456789 | 123 | 37137318076884 | 57
+ | 4567890123456789 | 4567890123456789 | 1 | 0
+ | 4567890123456789 | -4567890123456789 | -1 | 0
(5 rows)
SELECT '' AS five, q1, float8(q1) FROM INT8_TBL;
- five | q1 | float8
-------+------------------+-----------------------
- | 123 | 123
- | 123 | 123
- | 4567890123456789 | 4.56789012345679e+015
- | 4567890123456789 | 4.56789012345679e+015
- | 4567890123456789 | 4.56789012345679e+015
+ five | q1 | float8
+------+------------------+----------------------
+ | 123 | 123
+ | 123 | 123
+ | 4567890123456789 | 4.56789012345679e+15
+ | 4567890123456789 | 4.56789012345679e+15
+ | 4567890123456789 | 4.56789012345679e+15
(5 rows)
SELECT '' AS five, q2, float8(q2) FROM INT8_TBL;
- five | q2 | float8
-------+-------------------+------------------------
- | 456 | 456
- | 4567890123456789 | 4.56789012345679e+015
- | 123 | 123
- | 4567890123456789 | 4.56789012345679e+015
- | -4567890123456789 | -4.56789012345679e+015
+ five | q2 | float8
+------+-------------------+-----------------------
+ | 456 | 456
+ | 4567890123456789 | 4.56789012345679e+15
+ | 123 | 123
+ | 4567890123456789 | 4.56789012345679e+15
+ | -4567890123456789 | -4.56789012345679e+15
+(5 rows)
+
+SELECT 37 + q1 AS plus4 FROM INT8_TBL;
+ plus4
+------------------
+ 160
+ 160
+ 4567890123456826
+ 4567890123456826
+ 4567890123456826
+(5 rows)
+
+SELECT 37 - q1 AS minus4 FROM INT8_TBL;
+ minus4
+-------------------
+ -86
+ -86
+ -4567890123456752
+ -4567890123456752
+ -4567890123456752
(5 rows)
SELECT '' AS five, 2 * q1 AS "twice int4" FROM INT8_TBL;
| 9135780246913578
(5 rows)
+-- int8 op int4
+SELECT q1 + 42::int4 AS "8plus4", q1 - 42::int4 AS "8minus4", q1 * 42::int4 AS "8mul4", q1 / 42::int4 AS "8div4" FROM INT8_TBL;
+ 8plus4 | 8minus4 | 8mul4 | 8div4
+------------------+------------------+--------------------+-----------------
+ 165 | 81 | 5166 | 2
+ 165 | 81 | 5166 | 2
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+(5 rows)
+
+-- int4 op int8
+SELECT 246::int4 + q1 AS "4plus8", 246::int4 - q1 AS "4minus8", 246::int4 * q1 AS "4mul8", 246::int4 / q1 AS "4div8" FROM INT8_TBL;
+ 4plus8 | 4minus8 | 4mul8 | 4div8
+------------------+-------------------+---------------------+-------
+ 369 | 123 | 30258 | 2
+ 369 | 123 | 30258 | 2
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+(5 rows)
+
+-- int8 op int2
+SELECT q1 + 42::int2 AS "8plus2", q1 - 42::int2 AS "8minus2", q1 * 42::int2 AS "8mul2", q1 / 42::int2 AS "8div2" FROM INT8_TBL;
+ 8plus2 | 8minus2 | 8mul2 | 8div2
+------------------+------------------+--------------------+-----------------
+ 165 | 81 | 5166 | 2
+ 165 | 81 | 5166 | 2
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+(5 rows)
+
+-- int2 op int8
+SELECT 246::int2 + q1 AS "2plus8", 246::int2 - q1 AS "2minus8", 246::int2 * q1 AS "2mul8", 246::int2 / q1 AS "2div8" FROM INT8_TBL;
+ 2plus8 | 2minus8 | 2mul8 | 2div8
+------------------+-------------------+---------------------+-------
+ 369 | 123 | 30258 | 2
+ 369 | 123 | 30258 | 2
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+(5 rows)
+
+SELECT q2, abs(q2) FROM INT8_TBL;
+ q2 | abs
+-------------------+------------------
+ 456 | 456
+ 4567890123456789 | 4567890123456789
+ 123 | 123
+ 4567890123456789 | 4567890123456789
+ -4567890123456789 | 4567890123456789
+(5 rows)
+
+SELECT min(q1), min(q2) FROM INT8_TBL;
+ min | min
+-----+-------------------
+ 123 | -4567890123456789
+(1 row)
+
+SELECT max(q1), max(q2) FROM INT8_TBL;
+ max | max
+------------------+------------------
+ 4567890123456789 | 4567890123456789
+(1 row)
+
-- TO_CHAR()
--
SELECT '' AS to_char_1, to_char(q1, '9G999G999G999G999G999'), to_char(q2, '9,999,999,999,999,999')
| 456789-0123456789
(5 rows)
--- check min/max values
+-- check min/max values and overflow behavior
select '-9223372036854775808'::int8;
int8
----------------------
ERROR: value "9223372036854775808" is out of range for type bigint
LINE 1: select '9223372036854775808'::int8;
^
+select -('-9223372036854775807'::int8);
+ ?column?
+---------------------
+ 9223372036854775807
+(1 row)
+
+select -('-9223372036854775808'::int8);
+ERROR: bigint out of range
+select '9223372036854775800'::int8 + '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 + '-9223372036854775800'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 - '-9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 - '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 * '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '-1'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 / '0'::int8;
+ERROR: division by zero
+select '9223372036854775800'::int8 % '0'::int8;
+ERROR: division by zero
+select abs('-9223372036854775808'::int8);
+ERROR: bigint out of range
+select '9223372036854775800'::int8 + '100'::int4;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 - '100'::int4;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 * '100'::int4;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '-1'::int4;
+ERROR: bigint out of range
+select '100'::int4 + '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-100'::int4 - '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '100'::int4 * '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 + '100'::int2;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 - '100'::int2;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 * '100'::int2;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '-1'::int2;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '0'::int2;
+ERROR: division by zero
+select '100'::int2 + '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-100'::int2 - '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '100'::int2 * '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '100'::int2 / '0'::int8;
+ERROR: division by zero
+SELECT CAST(q1 AS int4) FROM int8_tbl WHERE q2 = 456;
+ q1
+-----
+ 123
+(1 row)
+
+SELECT CAST(q1 AS int4) FROM int8_tbl WHERE q2 <> 456;
+ERROR: integer out of range
+SELECT CAST(q1 AS int2) FROM int8_tbl WHERE q2 = 456;
+ q1
+-----
+ 123
+(1 row)
+
+SELECT CAST(q1 AS int2) FROM int8_tbl WHERE q2 <> 456;
+ERROR: smallint out of range
+SELECT CAST('42'::int2 AS int8), CAST('-37'::int2 AS int8);
+ int8 | int8
+------+------
+ 42 | -37
+(1 row)
+
+SELECT CAST(q1 AS float4), CAST(q2 AS float8) FROM INT8_TBL;
+ q1 | q2
+-------------+-----------------------
+ 123 | 456
+ 123 | 4.56789012345679e+15
+ 4.56789e+15 | 123
+ 4.56789e+15 | 4.56789012345679e+15
+ 4.56789e+15 | -4.56789012345679e+15
+(5 rows)
+
+SELECT CAST('36854775807.0'::float4 AS int8);
+ int8
+-------------
+ 36854775808
+(1 row)
+
+SELECT CAST('9223372036854775807.0'::float4 AS int8);
+ERROR: bigint out of range
+SELECT CAST('9223372036854775807.0'::float8 AS int8);
+ERROR: bigint out of range
+SELECT CAST('922337203685477580700.0'::float8 AS int8);
+ERROR: bigint out of range
+SELECT CAST(q1 AS oid) FROM INT8_TBL;
+ERROR: OID out of range
+SELECT oid::int8 FROM pg_class WHERE relname = 'pg_class';
+ oid
+------
+ 1259
+(1 row)
+
+-- bit operations
+SELECT q1, q2, q1 & q2 AS "and", q1 | q2 AS "or", q1 # q2 AS "xor", ~q1 AS "not" FROM INT8_TBL;
+ q1 | q2 | and | or | xor | not
+------------------+-------------------+------------------+------------------+------------------+-------------------
+ 123 | 456 | 72 | 507 | 435 | -124
+ 123 | 4567890123456789 | 17 | 4567890123456895 | 4567890123456878 | -124
+ 4567890123456789 | 123 | 17 | 4567890123456895 | 4567890123456878 | -4567890123456790
+ 4567890123456789 | 4567890123456789 | 4567890123456789 | 4567890123456789 | 0 | -4567890123456790
+ 4567890123456789 | -4567890123456789 | 1 | -1 | -2 | -4567890123456790
+(5 rows)
+
+SELECT q1, q1 << 2 AS "shl", q1 >> 3 AS "shr" FROM INT8_TBL;
+ q1 | shl | shr
+------------------+-------------------+-----------------
+ 123 | 492 | 15
+ 123 | 492 | 15
+ 4567890123456789 | 18271560493827156 | 570986265432098
+ 4567890123456789 | 18271560493827156 | 570986265432098
+ 4567890123456789 | 18271560493827156 | 570986265432098
+(5 rows)
+
+-- generate_series
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8);
+ generate_series
+------------------
+ 4567890123456789
+ 4567890123456790
+ 4567890123456791
+ 4567890123456792
+ 4567890123456793
+ 4567890123456794
+ 4567890123456795
+ 4567890123456796
+ 4567890123456797
+ 4567890123456798
+ 4567890123456799
+(11 rows)
+
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8, 0);
+ERROR: step size cannot equal zero
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8, 2);
+ generate_series
+------------------
+ 4567890123456789
+ 4567890123456791
+ 4567890123456793
+ 4567890123456795
+ 4567890123456797
+ 4567890123456799
+(6 rows)
+
INSERT INTO INT8_TBL VALUES(' 123 ',' 456');
INSERT INTO INT8_TBL VALUES('123 ','4567890123456789');
INSERT INTO INT8_TBL VALUES('4567890123456789','123');
-INSERT INTO INT8_TBL VALUES('4567890123456789','4567890123456789');
-INSERT INTO INT8_TBL VALUES('4567890123456789','-4567890123456789');
+INSERT INTO INT8_TBL VALUES(+4567890123456789,'4567890123456789');
+INSERT INTO INT8_TBL VALUES('+4567890123456789','-4567890123456789');
-- bad inputs
INSERT INTO INT8_TBL(q1) VALUES (' ');
ERROR: invalid input syntax for integer: " "
4567890123456789 | -4567890123456789
(5 rows)
+-- int8/int8 cmp
+SELECT * FROM INT8_TBL WHERE q2 = 4567890123456789;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <> 4567890123456789;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 < 4567890123456789;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 > 4567890123456789;
+ q1 | q2
+----+----
+(0 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <= 4567890123456789;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(5 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 >= 4567890123456789;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+-- int8/int4 cmp
+SELECT * FROM INT8_TBL WHERE q2 = 456;
+ q1 | q2
+-----+-----
+ 123 | 456
+(1 row)
+
+SELECT * FROM INT8_TBL WHERE q2 <> 456;
+ q1 | q2
+------------------+-------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(4 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 < 456;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 > 456;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <= 456;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 >= 456;
+ q1 | q2
+------------------+------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(3 rows)
+
+-- int4/int8 cmp
+SELECT * FROM INT8_TBL WHERE 123 = q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 <> q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 < q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 > q1;
+ q1 | q2
+----+----
+(0 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 <= q1;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(5 rows)
+
+SELECT * FROM INT8_TBL WHERE 123 >= q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
+-- int8/int2 cmp
+SELECT * FROM INT8_TBL WHERE q2 = '456'::int2;
+ q1 | q2
+-----+-----
+ 123 | 456
+(1 row)
+
+SELECT * FROM INT8_TBL WHERE q2 <> '456'::int2;
+ q1 | q2
+------------------+-------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(4 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 < '456'::int2;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 > '456'::int2;
+ q1 | q2
+------------------+------------------
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 <= '456'::int2;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 4567890123456789 | 123
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE q2 >= '456'::int2;
+ q1 | q2
+------------------+------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 4567890123456789
+(3 rows)
+
+-- int2/int8 cmp
+SELECT * FROM INT8_TBL WHERE '123'::int2 = q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 <> q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 < q1;
+ q1 | q2
+------------------+-------------------
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(3 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 > q1;
+ q1 | q2
+----+----
+(0 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 <= q1;
+ q1 | q2
+------------------+-------------------
+ 123 | 456
+ 123 | 4567890123456789
+ 4567890123456789 | 123
+ 4567890123456789 | 4567890123456789
+ 4567890123456789 | -4567890123456789
+(5 rows)
+
+SELECT * FROM INT8_TBL WHERE '123'::int2 >= q1;
+ q1 | q2
+-----+------------------
+ 123 | 456
+ 123 | 4567890123456789
+(2 rows)
+
SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL;
five | plus | minus
------+------------------+-------------------
| 4567890123456789 | 123 | 561850485185185047
(3 rows)
-SELECT '' AS five, q1, q2, q1 / q2 AS divide FROM INT8_TBL;
- five | q1 | q2 | divide
-------+------------------+-------------------+----------------
- | 123 | 456 | 0
- | 123 | 4567890123456789 | 0
- | 4567890123456789 | 123 | 37137318076884
- | 4567890123456789 | 4567890123456789 | 1
- | 4567890123456789 | -4567890123456789 | -1
+SELECT '' AS five, q1, q2, q1 / q2 AS divide, q1 % q2 AS mod FROM INT8_TBL;
+ five | q1 | q2 | divide | mod
+------+------------------+-------------------+----------------+-----
+ | 123 | 456 | 0 | 123
+ | 123 | 4567890123456789 | 0 | 123
+ | 4567890123456789 | 123 | 37137318076884 | 57
+ | 4567890123456789 | 4567890123456789 | 1 | 0
+ | 4567890123456789 | -4567890123456789 | -1 | 0
(5 rows)
SELECT '' AS five, q1, float8(q1) FROM INT8_TBL;
- five | q1 | float8
-------+------------------+----------------------
- | 123 | 123
- | 123 | 123
- | 4567890123456789 | 4.56789012345679e+15
- | 4567890123456789 | 4.56789012345679e+15
- | 4567890123456789 | 4.56789012345679e+15
+ five | q1 | float8
+------+------------------+-----------------------
+ | 123 | 123
+ | 123 | 123
+ | 4567890123456789 | 4.56789012345679e+015
+ | 4567890123456789 | 4.56789012345679e+015
+ | 4567890123456789 | 4.56789012345679e+015
(5 rows)
SELECT '' AS five, q2, float8(q2) FROM INT8_TBL;
- five | q2 | float8
-------+-------------------+-----------------------
- | 456 | 456
- | 4567890123456789 | 4.56789012345679e+15
- | 123 | 123
- | 4567890123456789 | 4.56789012345679e+15
- | -4567890123456789 | -4.56789012345679e+15
+ five | q2 | float8
+------+-------------------+------------------------
+ | 456 | 456
+ | 4567890123456789 | 4.56789012345679e+015
+ | 123 | 123
+ | 4567890123456789 | 4.56789012345679e+015
+ | -4567890123456789 | -4.56789012345679e+015
+(5 rows)
+
+SELECT 37 + q1 AS plus4 FROM INT8_TBL;
+ plus4
+------------------
+ 160
+ 160
+ 4567890123456826
+ 4567890123456826
+ 4567890123456826
+(5 rows)
+
+SELECT 37 - q1 AS minus4 FROM INT8_TBL;
+ minus4
+-------------------
+ -86
+ -86
+ -4567890123456752
+ -4567890123456752
+ -4567890123456752
(5 rows)
SELECT '' AS five, 2 * q1 AS "twice int4" FROM INT8_TBL;
| 9135780246913578
(5 rows)
+-- int8 op int4
+SELECT q1 + 42::int4 AS "8plus4", q1 - 42::int4 AS "8minus4", q1 * 42::int4 AS "8mul4", q1 / 42::int4 AS "8div4" FROM INT8_TBL;
+ 8plus4 | 8minus4 | 8mul4 | 8div4
+------------------+------------------+--------------------+-----------------
+ 165 | 81 | 5166 | 2
+ 165 | 81 | 5166 | 2
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+(5 rows)
+
+-- int4 op int8
+SELECT 246::int4 + q1 AS "4plus8", 246::int4 - q1 AS "4minus8", 246::int4 * q1 AS "4mul8", 246::int4 / q1 AS "4div8" FROM INT8_TBL;
+ 4plus8 | 4minus8 | 4mul8 | 4div8
+------------------+-------------------+---------------------+-------
+ 369 | 123 | 30258 | 2
+ 369 | 123 | 30258 | 2
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+(5 rows)
+
+-- int8 op int2
+SELECT q1 + 42::int2 AS "8plus2", q1 - 42::int2 AS "8minus2", q1 * 42::int2 AS "8mul2", q1 / 42::int2 AS "8div2" FROM INT8_TBL;
+ 8plus2 | 8minus2 | 8mul2 | 8div2
+------------------+------------------+--------------------+-----------------
+ 165 | 81 | 5166 | 2
+ 165 | 81 | 5166 | 2
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+ 4567890123456831 | 4567890123456747 | 191851385185185138 | 108759288653733
+(5 rows)
+
+-- int2 op int8
+SELECT 246::int2 + q1 AS "2plus8", 246::int2 - q1 AS "2minus8", 246::int2 * q1 AS "2mul8", 246::int2 / q1 AS "2div8" FROM INT8_TBL;
+ 2plus8 | 2minus8 | 2mul8 | 2div8
+------------------+-------------------+---------------------+-------
+ 369 | 123 | 30258 | 2
+ 369 | 123 | 30258 | 2
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+ 4567890123457035 | -4567890123456543 | 1123700970370370094 | 0
+(5 rows)
+
+SELECT q2, abs(q2) FROM INT8_TBL;
+ q2 | abs
+-------------------+------------------
+ 456 | 456
+ 4567890123456789 | 4567890123456789
+ 123 | 123
+ 4567890123456789 | 4567890123456789
+ -4567890123456789 | 4567890123456789
+(5 rows)
+
+SELECT min(q1), min(q2) FROM INT8_TBL;
+ min | min
+-----+-------------------
+ 123 | -4567890123456789
+(1 row)
+
+SELECT max(q1), max(q2) FROM INT8_TBL;
+ max | max
+------------------+------------------
+ 4567890123456789 | 4567890123456789
+(1 row)
+
-- TO_CHAR()
--
SELECT '' AS to_char_1, to_char(q1, '9G999G999G999G999G999'), to_char(q2, '9,999,999,999,999,999')
| 456789-0123456789
(5 rows)
--- check min/max values
+-- check min/max values and overflow behavior
select '-9223372036854775808'::int8;
int8
----------------------
ERROR: value "9223372036854775808" is out of range for type bigint
LINE 1: select '9223372036854775808'::int8;
^
+select -('-9223372036854775807'::int8);
+ ?column?
+---------------------
+ 9223372036854775807
+(1 row)
+
+select -('-9223372036854775808'::int8);
+ERROR: bigint out of range
+select '9223372036854775800'::int8 + '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 + '-9223372036854775800'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 - '-9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 - '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 * '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '-1'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 / '0'::int8;
+ERROR: division by zero
+select '9223372036854775800'::int8 % '0'::int8;
+ERROR: division by zero
+select abs('-9223372036854775808'::int8);
+ERROR: bigint out of range
+select '9223372036854775800'::int8 + '100'::int4;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 - '100'::int4;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 * '100'::int4;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '-1'::int4;
+ERROR: bigint out of range
+select '100'::int4 + '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-100'::int4 - '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '100'::int4 * '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 + '100'::int2;
+ERROR: bigint out of range
+select '-9223372036854775800'::int8 - '100'::int2;
+ERROR: bigint out of range
+select '9223372036854775800'::int8 * '100'::int2;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '-1'::int2;
+ERROR: bigint out of range
+select '-9223372036854775808'::int8 / '0'::int2;
+ERROR: division by zero
+select '100'::int2 + '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '-100'::int2 - '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '100'::int2 * '9223372036854775800'::int8;
+ERROR: bigint out of range
+select '100'::int2 / '0'::int8;
+ERROR: division by zero
+SELECT CAST(q1 AS int4) FROM int8_tbl WHERE q2 = 456;
+ q1
+-----
+ 123
+(1 row)
+
+SELECT CAST(q1 AS int4) FROM int8_tbl WHERE q2 <> 456;
+ERROR: integer out of range
+SELECT CAST(q1 AS int2) FROM int8_tbl WHERE q2 = 456;
+ q1
+-----
+ 123
+(1 row)
+
+SELECT CAST(q1 AS int2) FROM int8_tbl WHERE q2 <> 456;
+ERROR: smallint out of range
+SELECT CAST('42'::int2 AS int8), CAST('-37'::int2 AS int8);
+ int8 | int8
+------+------
+ 42 | -37
+(1 row)
+
+SELECT CAST(q1 AS float4), CAST(q2 AS float8) FROM INT8_TBL;
+ q1 | q2
+-------------+-----------------------
+ 123 | 456
+ 123 | 4.56789012345679e+15
+ 4.56789e+15 | 123
+ 4.56789e+15 | 4.56789012345679e+15
+ 4.56789e+15 | -4.56789012345679e+15
+(5 rows)
+
+SELECT CAST('36854775807.0'::float4 AS int8);
+ int8
+-------------
+ 36854775808
+(1 row)
+
+SELECT CAST('9223372036854775807.0'::float4 AS int8);
+ERROR: bigint out of range
+SELECT CAST('9223372036854775807.0'::float8 AS int8);
+ERROR: bigint out of range
+SELECT CAST('922337203685477580700.0'::float8 AS int8);
+ERROR: bigint out of range
+SELECT CAST(q1 AS oid) FROM INT8_TBL;
+ERROR: OID out of range
+SELECT oid::int8 FROM pg_class WHERE relname = 'pg_class';
+ oid
+------
+ 1259
+(1 row)
+
+-- bit operations
+SELECT q1, q2, q1 & q2 AS "and", q1 | q2 AS "or", q1 # q2 AS "xor", ~q1 AS "not" FROM INT8_TBL;
+ q1 | q2 | and | or | xor | not
+------------------+-------------------+------------------+------------------+------------------+-------------------
+ 123 | 456 | 72 | 507 | 435 | -124
+ 123 | 4567890123456789 | 17 | 4567890123456895 | 4567890123456878 | -124
+ 4567890123456789 | 123 | 17 | 4567890123456895 | 4567890123456878 | -4567890123456790
+ 4567890123456789 | 4567890123456789 | 4567890123456789 | 4567890123456789 | 0 | -4567890123456790
+ 4567890123456789 | -4567890123456789 | 1 | -1 | -2 | -4567890123456790
+(5 rows)
+
+SELECT q1, q1 << 2 AS "shl", q1 >> 3 AS "shr" FROM INT8_TBL;
+ q1 | shl | shr
+------------------+-------------------+-----------------
+ 123 | 492 | 15
+ 123 | 492 | 15
+ 4567890123456789 | 18271560493827156 | 570986265432098
+ 4567890123456789 | 18271560493827156 | 570986265432098
+ 4567890123456789 | 18271560493827156 | 570986265432098
+(5 rows)
+
+-- generate_series
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8);
+ generate_series
+------------------
+ 4567890123456789
+ 4567890123456790
+ 4567890123456791
+ 4567890123456792
+ 4567890123456793
+ 4567890123456794
+ 4567890123456795
+ 4567890123456796
+ 4567890123456797
+ 4567890123456798
+ 4567890123456799
+(11 rows)
+
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8, 0);
+ERROR: step size cannot equal zero
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8, 2);
+ generate_series
+------------------
+ 4567890123456789
+ 4567890123456791
+ 4567890123456793
+ 4567890123456795
+ 4567890123456797
+ 4567890123456799
+(6 rows)
+
INSERT INTO INT8_TBL VALUES(' 123 ',' 456');
INSERT INTO INT8_TBL VALUES('123 ','4567890123456789');
INSERT INTO INT8_TBL VALUES('4567890123456789','123');
-INSERT INTO INT8_TBL VALUES('4567890123456789','4567890123456789');
-INSERT INTO INT8_TBL VALUES('4567890123456789','-4567890123456789');
+INSERT INTO INT8_TBL VALUES(+4567890123456789,'4567890123456789');
+INSERT INTO INT8_TBL VALUES('+4567890123456789','-4567890123456789');
-- bad inputs
INSERT INTO INT8_TBL(q1) VALUES (' ');
SELECT * FROM INT8_TBL;
+-- int8/int8 cmp
+SELECT * FROM INT8_TBL WHERE q2 = 4567890123456789;
+SELECT * FROM INT8_TBL WHERE q2 <> 4567890123456789;
+SELECT * FROM INT8_TBL WHERE q2 < 4567890123456789;
+SELECT * FROM INT8_TBL WHERE q2 > 4567890123456789;
+SELECT * FROM INT8_TBL WHERE q2 <= 4567890123456789;
+SELECT * FROM INT8_TBL WHERE q2 >= 4567890123456789;
+
+-- int8/int4 cmp
+SELECT * FROM INT8_TBL WHERE q2 = 456;
+SELECT * FROM INT8_TBL WHERE q2 <> 456;
+SELECT * FROM INT8_TBL WHERE q2 < 456;
+SELECT * FROM INT8_TBL WHERE q2 > 456;
+SELECT * FROM INT8_TBL WHERE q2 <= 456;
+SELECT * FROM INT8_TBL WHERE q2 >= 456;
+
+-- int4/int8 cmp
+SELECT * FROM INT8_TBL WHERE 123 = q1;
+SELECT * FROM INT8_TBL WHERE 123 <> q1;
+SELECT * FROM INT8_TBL WHERE 123 < q1;
+SELECT * FROM INT8_TBL WHERE 123 > q1;
+SELECT * FROM INT8_TBL WHERE 123 <= q1;
+SELECT * FROM INT8_TBL WHERE 123 >= q1;
+
+-- int8/int2 cmp
+SELECT * FROM INT8_TBL WHERE q2 = '456'::int2;
+SELECT * FROM INT8_TBL WHERE q2 <> '456'::int2;
+SELECT * FROM INT8_TBL WHERE q2 < '456'::int2;
+SELECT * FROM INT8_TBL WHERE q2 > '456'::int2;
+SELECT * FROM INT8_TBL WHERE q2 <= '456'::int2;
+SELECT * FROM INT8_TBL WHERE q2 >= '456'::int2;
+
+-- int2/int8 cmp
+SELECT * FROM INT8_TBL WHERE '123'::int2 = q1;
+SELECT * FROM INT8_TBL WHERE '123'::int2 <> q1;
+SELECT * FROM INT8_TBL WHERE '123'::int2 < q1;
+SELECT * FROM INT8_TBL WHERE '123'::int2 > q1;
+SELECT * FROM INT8_TBL WHERE '123'::int2 <= q1;
+SELECT * FROM INT8_TBL WHERE '123'::int2 >= q1;
+
+
SELECT '' AS five, q1 AS plus, -q1 AS minus FROM INT8_TBL;
SELECT '' AS five, q1, q2, q1 + q2 AS plus FROM INT8_TBL;
SELECT '' AS three, q1, q2, q1 * q2 AS multiply FROM INT8_TBL;
SELECT '' AS three, q1, q2, q1 * q2 AS multiply FROM INT8_TBL
WHERE q1 < 1000 or (q2 > 0 and q2 < 1000);
-SELECT '' AS five, q1, q2, q1 / q2 AS divide FROM INT8_TBL;
+SELECT '' AS five, q1, q2, q1 / q2 AS divide, q1 % q2 AS mod FROM INT8_TBL;
SELECT '' AS five, q1, float8(q1) FROM INT8_TBL;
SELECT '' AS five, q2, float8(q2) FROM INT8_TBL;
+SELECT 37 + q1 AS plus4 FROM INT8_TBL;
+SELECT 37 - q1 AS minus4 FROM INT8_TBL;
SELECT '' AS five, 2 * q1 AS "twice int4" FROM INT8_TBL;
SELECT '' AS five, q1 * 2 AS "twice int4" FROM INT8_TBL;
+-- int8 op int4
+SELECT q1 + 42::int4 AS "8plus4", q1 - 42::int4 AS "8minus4", q1 * 42::int4 AS "8mul4", q1 / 42::int4 AS "8div4" FROM INT8_TBL;
+-- int4 op int8
+SELECT 246::int4 + q1 AS "4plus8", 246::int4 - q1 AS "4minus8", 246::int4 * q1 AS "4mul8", 246::int4 / q1 AS "4div8" FROM INT8_TBL;
+
+-- int8 op int2
+SELECT q1 + 42::int2 AS "8plus2", q1 - 42::int2 AS "8minus2", q1 * 42::int2 AS "8mul2", q1 / 42::int2 AS "8div2" FROM INT8_TBL;
+-- int2 op int8
+SELECT 246::int2 + q1 AS "2plus8", 246::int2 - q1 AS "2minus8", 246::int2 * q1 AS "2mul8", 246::int2 / q1 AS "2div8" FROM INT8_TBL;
+
+SELECT q2, abs(q2) FROM INT8_TBL;
+SELECT min(q1), min(q2) FROM INT8_TBL;
+SELECT max(q1), max(q2) FROM INT8_TBL;
+
+
-- TO_CHAR()
--
SELECT '' AS to_char_1, to_char(q1, '9G999G999G999G999G999'), to_char(q2, '9,999,999,999,999,999')
SELECT '' AS to_char_16, to_char(q2, E'99999 "text" 9999 "9999" 999 "\\"text between quote marks\\"" 9999') FROM INT8_TBL;
SELECT '' AS to_char_17, to_char(q2, '999999SG9999999999') FROM INT8_TBL;
--- check min/max values
+-- check min/max values and overflow behavior
+
select '-9223372036854775808'::int8;
select '-9223372036854775809'::int8;
select '9223372036854775807'::int8;
select '9223372036854775808'::int8;
+
+select -('-9223372036854775807'::int8);
+select -('-9223372036854775808'::int8);
+
+select '9223372036854775800'::int8 + '9223372036854775800'::int8;
+select '-9223372036854775800'::int8 + '-9223372036854775800'::int8;
+
+select '9223372036854775800'::int8 - '-9223372036854775800'::int8;
+select '-9223372036854775800'::int8 - '9223372036854775800'::int8;
+
+select '9223372036854775800'::int8 * '9223372036854775800'::int8;
+select '-9223372036854775808'::int8 / '-1'::int8;
+
+select '9223372036854775800'::int8 / '0'::int8;
+select '9223372036854775800'::int8 % '0'::int8;
+
+select abs('-9223372036854775808'::int8);
+
+select '9223372036854775800'::int8 + '100'::int4;
+select '-9223372036854775800'::int8 - '100'::int4;
+select '9223372036854775800'::int8 * '100'::int4;
+select '-9223372036854775808'::int8 / '-1'::int4;
+
+select '100'::int4 + '9223372036854775800'::int8;
+select '-100'::int4 - '9223372036854775800'::int8;
+select '100'::int4 * '9223372036854775800'::int8;
+
+select '9223372036854775800'::int8 + '100'::int2;
+select '-9223372036854775800'::int8 - '100'::int2;
+select '9223372036854775800'::int8 * '100'::int2;
+select '-9223372036854775808'::int8 / '-1'::int2;
+select '-9223372036854775808'::int8 / '0'::int2;
+
+select '100'::int2 + '9223372036854775800'::int8;
+select '-100'::int2 - '9223372036854775800'::int8;
+select '100'::int2 * '9223372036854775800'::int8;
+select '100'::int2 / '0'::int8;
+
+SELECT CAST(q1 AS int4) FROM int8_tbl WHERE q2 = 456;
+SELECT CAST(q1 AS int4) FROM int8_tbl WHERE q2 <> 456;
+
+SELECT CAST(q1 AS int2) FROM int8_tbl WHERE q2 = 456;
+SELECT CAST(q1 AS int2) FROM int8_tbl WHERE q2 <> 456;
+
+SELECT CAST('42'::int2 AS int8), CAST('-37'::int2 AS int8);
+
+SELECT CAST(q1 AS float4), CAST(q2 AS float8) FROM INT8_TBL;
+SELECT CAST('36854775807.0'::float4 AS int8);
+SELECT CAST('9223372036854775807.0'::float4 AS int8);
+SELECT CAST('9223372036854775807.0'::float8 AS int8);
+SELECT CAST('922337203685477580700.0'::float8 AS int8);
+
+SELECT CAST(q1 AS oid) FROM INT8_TBL;
+SELECT oid::int8 FROM pg_class WHERE relname = 'pg_class';
+
+
+-- bit operations
+
+SELECT q1, q2, q1 & q2 AS "and", q1 | q2 AS "or", q1 # q2 AS "xor", ~q1 AS "not" FROM INT8_TBL;
+SELECT q1, q1 << 2 AS "shl", q1 >> 3 AS "shr" FROM INT8_TBL;
+
+
+-- generate_series
+
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8);
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8, 0);
+SELECT * FROM generate_series('+4567890123456789'::int8, '+4567890123456799'::int8, 2);