Dec ALpha patches
This commit is contained in:
Bruce Momjian
parent
8223f70e52
commit
41543b0618
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@ -0,0 +1,234 @@
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QUERY: CREATE TABLE FLOAT8_TBL(f1 float8);
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1004.30');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e+200');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e-200');
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QUERY: SELECT '' AS five, FLOAT8_TBL.*;
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five|f1
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----+--------------------
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|0
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|1004.3
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|-34.84
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|1.2345678901234e+200
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|1.2345678901234e-200
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(5 rows)
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QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <> '1004.3';
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four|f1
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----+--------------------
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|0
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|-34.84
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|1.2345678901234e+200
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|1.2345678901234e-200
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(4 rows)
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QUERY: SELECT '' AS one, f.* FROM FLOAT8_TBL f WHERE f.f1 = '1004.3';
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one| f1
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---+------
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|1004.3
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(1 row)
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QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE '1004.3' > f.f1;
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three| f1
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-----+--------------------
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| 0
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| -34.84
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|1.2345678901234e-200
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(3 rows)
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QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE f.f1 < '1004.3';
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three| f1
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-----+--------------------
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| 0
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| -34.84
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|1.2345678901234e-200
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(3 rows)
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QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE '1004.3' >= f.f1;
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four| f1
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----+--------------------
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| 0
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| 1004.3
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| -34.84
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|1.2345678901234e-200
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(4 rows)
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QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <= '1004.3';
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four| f1
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----+--------------------
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| 0
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| 1004.3
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| -34.84
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|1.2345678901234e-200
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(4 rows)
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QUERY: SELECT '' AS three, f.f1, f.f1 * '-10' AS x
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FROM FLOAT8_TBL f
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WHERE f.f1 > '0.0';
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three|f1 |x
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-----+--------------------+---------------------
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|1004.3 |-10043
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|1.2345678901234e+200|-1.2345678901234e+201
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|1.2345678901234e-200|-1.2345678901234e-199
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(3 rows)
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QUERY: SELECT '' AS three, f.f1, f.f1 + '-10' AS x
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FROM FLOAT8_TBL f
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WHERE f.f1 > '0.0';
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three|f1 |x
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-----+--------------------+--------------------
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|1004.3 |994.3
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|1.2345678901234e+200|1.2345678901234e+200
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|1.2345678901234e-200|-10
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(3 rows)
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QUERY: SELECT '' AS three, f.f1, f.f1 / '-10' AS x
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FROM FLOAT8_TBL f
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WHERE f.f1 > '0.0';
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three|f1 |x
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-----+--------------------+---------------------
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|1004.3 |-100.43
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|1.2345678901234e+200|-1.2345678901234e+199
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|1.2345678901234e-200|-1.2345678901234e-201
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(3 rows)
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QUERY: SELECT '' AS three, f.f1, f.f1 - '-10' AS x
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FROM FLOAT8_TBL f
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WHERE f.f1 > '0.0';
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three|f1 |x
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-----+--------------------+--------------------
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|1004.3 |1014.3
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|1.2345678901234e+200|1.2345678901234e+200
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|1.2345678901234e-200|10
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(3 rows)
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QUERY: SELECT '' AS one, f.f1 ^ '2.0' AS square_f1
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FROM FLOAT8_TBL f where f.f1 = '1004.3';
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one| square_f1
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---+----------
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|1008618.49
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(1 row)
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QUERY: SELECT '' AS five, f.f1, @f.f1 AS abs_f1
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FROM FLOAT8_TBL f;
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five|f1 |abs_f1
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----+--------------------+--------------------
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|0 |0
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|1004.3 |1004.3
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|-34.84 |34.84
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|1.2345678901234e+200|1.2345678901234e+200
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|1.2345678901234e-200|1.2345678901234e-200
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(5 rows)
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QUERY: SELECT '' AS five, f.f1, %f.f1 AS trunc_f1
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FROM FLOAT8_TBL f;
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five|f1 |trunc_f1
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----+--------------------+--------------------
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|0 |0
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|1004.3 |1004
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|-34.84 |-34
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|1.2345678901234e+200|1.2345678901234e+200
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|1.2345678901234e-200|0
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(5 rows)
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QUERY: SELECT '' AS five, f.f1, f.f1 % AS round_f1
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FROM FLOAT8_TBL f;
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five|f1 |round_f1
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----+--------------------+--------------------
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|0 |0
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|1004.3 |1004
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|-34.84 |-35
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|1.2345678901234e+200|1.2345678901234e+200
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|1.2345678901234e-200|0
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(5 rows)
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QUERY: SELECT '' AS three, f.f1, |/f.f1 AS sqrt_f1
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FROM FLOAT8_TBL f
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WHERE f.f1 > '0.0';
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three|f1 |sqrt_f1
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-----+--------------------+---------------------
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|1004.3 |31.6906926399535
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|1.2345678901234e+200|1.11111110611109e+100
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|1.2345678901234e-200|1.11111110611109e-100
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(3 rows)
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QUERY: SELECT '' AS three, f.f1, : ( ; f.f1) AS exp_ln_f1
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FROM FLOAT8_TBL f
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WHERE f.f1 > '0.0';
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three|f1 |exp_ln_f1
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-----+--------------------+---------------------
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|1004.3 |1004.3
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|1.2345678901234e+200|1.23456789012338e+200
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|1.2345678901234e-200|1.23456789012339e-200
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(3 rows)
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QUERY: SELECT '' AS five, f.f1, ||/f.f1 AS cbrt_f1 FROM FLOAT8_TBL f;
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five|f1 |cbrt_f1
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----+--------------------+--------------------
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|0 |0
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|1004.3 |10.014312837827
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|-34.84 |-3.26607421344208
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|1.2345678901234e+200|4.97933859234765e+66
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|1.2345678901234e-200|2.3112042409018e-67
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(5 rows)
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QUERY: SELECT '' AS five, FLOAT8_TBL.*;
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five|f1
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----+--------------------
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|0
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|1004.3
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|-34.84
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|1.2345678901234e+200
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|1.2345678901234e-200
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(5 rows)
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QUERY: UPDATE FLOAT8_TBL
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SET f1 = FLOAT8_TBL.f1 * '-1'
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WHERE FLOAT8_TBL.f1 > '0.0';
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QUERY: SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
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ERROR: floating point exception! The last floating point operation either exceeded legal ranges or was a divide by zero
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QUERY: SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
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ERROR: pow() result is out of range
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QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
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ERROR: can't take log of zero
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QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
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ERROR: can't take log of a negative number
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QUERY: SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
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ERROR: exp() result is out of range
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QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
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ERROR: float8div: divide by zero error
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QUERY: SELECT '' AS five, FLOAT8_TBL.*;
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five|f1
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----+---------------------
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|0
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|-34.84
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|-1004.3
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|-1.2345678901234e+200
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|-1.2345678901234e-200
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(5 rows)
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e400');
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ERROR: Input '10e400' is out of range for float8
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e400');
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ERROR: Input '-10e400' is out of range for float8
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e-400');
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ERROR: Input '10e-400' is out of range for float8
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e-400');
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ERROR: Input '-10e-400' is out of range for float8
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QUERY: DELETE FROM FLOAT8_TBL;
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1004.30');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e+200');
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QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e-200');
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QUERY: SELECT '' AS five, FLOAT8_TBL.*;
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five|f1
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----+---------------------
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|0
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|-34.84
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|-1004.3
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|-1.2345678901234e+200
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|-1.2345678901234e-200
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(5 rows)
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@ -0,0 +1,206 @@
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QUERY: CREATE TABLE INT2_TBL(f1 int2);
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('0');
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('1234');
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('-1234');
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('34.5');
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ERROR: pg_atoi: error in "34.5": can't parse ".5"
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('32767');
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('-32767');
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('100000');
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ERROR: pg_atoi: error reading "100000": Result too large
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QUERY: INSERT INTO INT2_TBL(f1) VALUES ('asdf');
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ERROR: pg_atoi: error in "asdf": can't parse "asdf"
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QUERY: SELECT '' AS five, INT2_TBL.*;
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five| f1
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----+------
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| 0
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| 1234
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| -1234
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| 32767
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|-32767
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(5 rows)
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QUERY: SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> '0'::int2;
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four| f1
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----+------
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| 1234
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| -1234
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| 32767
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|-32767
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(4 rows)
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QUERY: SELECT '' AS four, i.* FROM INT2_TBL i WHERE i.f1 <> '0'::int4;
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four| f1
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----+------
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| 1234
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| -1234
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| 32767
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|-32767
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(4 rows)
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QUERY: SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = '0'::int2;
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one|f1
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---+--
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| 0
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(1 row)
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QUERY: SELECT '' AS one, i.* FROM INT2_TBL i WHERE i.f1 = '0'::int4;
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one|f1
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---+--
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| 0
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(1 row)
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QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < '0'::int2;
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two| f1
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---+------
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| -1234
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|-32767
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(2 rows)
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QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 < '0'::int4;
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two| f1
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---+------
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| -1234
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|-32767
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(2 rows)
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QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= '0'::int2;
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three| f1
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-----+------
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| 0
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| -1234
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|-32767
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(3 rows)
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QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 <= '0'::int4;
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three| f1
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-----+------
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| 0
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| -1234
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|-32767
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(3 rows)
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QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > '0'::int2;
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two| f1
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---+-----
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| 1234
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|32767
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(2 rows)
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QUERY: SELECT '' AS two, i.* FROM INT2_TBL i WHERE i.f1 > '0'::int4;
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two| f1
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---+-----
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| 1234
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|32767
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(2 rows)
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QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= '0'::int2;
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three| f1
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-----+-----
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| 0
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| 1234
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|32767
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(3 rows)
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QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE i.f1 >= '0'::int4;
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three| f1
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-----+-----
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| 0
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| 1234
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|32767
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(3 rows)
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QUERY: SELECT '' AS one, i.* FROM INT2_TBL i WHERE (i.f1 % '2'::int2) = '1'::int2;
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one| f1
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---+-----
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|32767
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(1 row)
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QUERY: SELECT '' AS three, i.* FROM INT2_TBL i WHERE (i.f1 % '2'::int4) = '0'::int2;
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three| f1
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-----+-----
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| 0
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| 1234
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|-1234
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(3 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int2 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+-----
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| 0| 0
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| 1234| 2468
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| -1234|-2468
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| 32767| -2
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|-32767| 2
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 * '2'::int4 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+------
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| 0| 0
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| 1234| 2468
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| -1234| -2468
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| 32767| 65534
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|-32767|-65534
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int2 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+------
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| 0| 2
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| 1234| 1236
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| -1234| -1232
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| 32767|-32767
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|-32767|-32765
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 + '2'::int4 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+------
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| 0| 2
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| 1234| 1236
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| -1234| -1232
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| 32767| 32769
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|-32767|-32765
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int2 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+-----
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| 0| -2
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| 1234| 1232
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| -1234|-1236
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| 32767|32765
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|-32767|32767
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 - '2'::int4 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+------
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| 0| -2
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| 1234| 1232
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| -1234| -1236
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| 32767| 32765
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|-32767|-32769
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int2 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+------
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| 0| 0
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| 1234| 617
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| -1234| -617
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| 32767| 16383
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|-32767|-16383
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(5 rows)
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QUERY: SELECT '' AS five, i.f1, i.f1 / '2'::int4 AS x FROM INT2_TBL i;
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five| f1| x
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----+------+------
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| 0| 0
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| 1234| 617
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| -1234| -617
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| 32767| 16383
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|-32767|-16383
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(5 rows)
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|
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@ -0,0 +1,302 @@
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QUERY: CREATE TABLE INT4_TBL(f1 int4);
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QUERY: INSERT INTO INT4_TBL(f1) VALUES ('0');
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QUERY: INSERT INTO INT4_TBL(f1) VALUES ('123456');
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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 large
|
||||
QUERY: 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)
|
||||
|
||||
Loading…
Reference in New Issue