--- /dev/null
+QUERY: CREATE TABLE FLOAT8_TBL(f1 float8);
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1004.30');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e+200');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('1.2345678901234e-200');
+QUERY: SELECT '' AS five, FLOAT8_TBL.*;
+five|f1
+----+--------------------
+ |0
+ |1004.3
+ |-34.84
+ |1.2345678901234e+200
+ |1.2345678901234e-200
+(5 rows)
+
+QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <> '1004.3';
+four|f1
+----+--------------------
+ |0
+ |-34.84
+ |1.2345678901234e+200
+ |1.2345678901234e-200
+(4 rows)
+
+QUERY: SELECT '' AS one, f.* FROM FLOAT8_TBL f WHERE f.f1 = '1004.3';
+one| f1
+---+------
+ |1004.3
+(1 row)
+
+QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE '1004.3' > f.f1;
+three| f1
+-----+--------------------
+ | 0
+ | -34.84
+ |1.2345678901234e-200
+(3 rows)
+
+QUERY: SELECT '' AS three, f.* FROM FLOAT8_TBL f WHERE f.f1 < '1004.3';
+three| f1
+-----+--------------------
+ | 0
+ | -34.84
+ |1.2345678901234e-200
+(3 rows)
+
+QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE '1004.3' >= f.f1;
+four| f1
+----+--------------------
+ | 0
+ | 1004.3
+ | -34.84
+ |1.2345678901234e-200
+(4 rows)
+
+QUERY: SELECT '' AS four, f.* FROM FLOAT8_TBL f WHERE f.f1 <= '1004.3';
+four| f1
+----+--------------------
+ | 0
+ | 1004.3
+ | -34.84
+ |1.2345678901234e-200
+(4 rows)
+
+QUERY: SELECT '' AS three, f.f1, f.f1 * '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+three|f1 |x
+-----+--------------------+---------------------
+ |1004.3 |-10043
+ |1.2345678901234e+200|-1.2345678901234e+201
+ |1.2345678901234e-200|-1.2345678901234e-199
+(3 rows)
+
+QUERY: SELECT '' AS three, f.f1, f.f1 + '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+three|f1 |x
+-----+--------------------+--------------------
+ |1004.3 |994.3
+ |1.2345678901234e+200|1.2345678901234e+200
+ |1.2345678901234e-200|-10
+(3 rows)
+
+QUERY: SELECT '' AS three, f.f1, f.f1 / '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+three|f1 |x
+-----+--------------------+---------------------
+ |1004.3 |-100.43
+ |1.2345678901234e+200|-1.2345678901234e+199
+ |1.2345678901234e-200|-1.2345678901234e-201
+(3 rows)
+
+QUERY: SELECT '' AS three, f.f1, f.f1 - '-10' AS x
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+three|f1 |x
+-----+--------------------+--------------------
+ |1004.3 |1014.3
+ |1.2345678901234e+200|1.2345678901234e+200
+ |1.2345678901234e-200|10
+(3 rows)
+
+QUERY: SELECT '' AS one, f.f1 ^ '2.0' AS square_f1
+ FROM FLOAT8_TBL f where f.f1 = '1004.3';
+one| square_f1
+---+----------
+ |1008618.49
+(1 row)
+
+QUERY: SELECT '' AS five, f.f1, @f.f1 AS abs_f1
+ FROM FLOAT8_TBL f;
+five|f1 |abs_f1
+----+--------------------+--------------------
+ |0 |0
+ |1004.3 |1004.3
+ |-34.84 |34.84
+ |1.2345678901234e+200|1.2345678901234e+200
+ |1.2345678901234e-200|1.2345678901234e-200
+(5 rows)
+
+QUERY: SELECT '' AS five, f.f1, %f.f1 AS trunc_f1
+ FROM FLOAT8_TBL f;
+five|f1 |trunc_f1
+----+--------------------+--------------------
+ |0 |0
+ |1004.3 |1004
+ |-34.84 |-34
+ |1.2345678901234e+200|1.2345678901234e+200
+ |1.2345678901234e-200|0
+(5 rows)
+
+QUERY: SELECT '' AS five, f.f1, f.f1 % AS round_f1
+ FROM FLOAT8_TBL f;
+five|f1 |round_f1
+----+--------------------+--------------------
+ |0 |0
+ |1004.3 |1004
+ |-34.84 |-35
+ |1.2345678901234e+200|1.2345678901234e+200
+ |1.2345678901234e-200|0
+(5 rows)
+
+QUERY: SELECT '' AS three, f.f1, |/f.f1 AS sqrt_f1
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+three|f1 |sqrt_f1
+-----+--------------------+---------------------
+ |1004.3 |31.6906926399535
+ |1.2345678901234e+200|1.11111110611109e+100
+ |1.2345678901234e-200|1.11111110611109e-100
+(3 rows)
+
+QUERY: SELECT '' AS three, f.f1, : ( ; f.f1) AS exp_ln_f1
+ FROM FLOAT8_TBL f
+ WHERE f.f1 > '0.0';
+three|f1 |exp_ln_f1
+-----+--------------------+---------------------
+ |1004.3 |1004.3
+ |1.2345678901234e+200|1.23456789012338e+200
+ |1.2345678901234e-200|1.23456789012339e-200
+(3 rows)
+
+QUERY: SELECT '' AS five, f.f1, ||/f.f1 AS cbrt_f1 FROM FLOAT8_TBL f;
+five|f1 |cbrt_f1
+----+--------------------+--------------------
+ |0 |0
+ |1004.3 |10.014312837827
+ |-34.84 |-3.26607421344208
+ |1.2345678901234e+200|4.97933859234765e+66
+ |1.2345678901234e-200|2.3112042409018e-67
+(5 rows)
+
+QUERY: SELECT '' AS five, FLOAT8_TBL.*;
+five|f1
+----+--------------------
+ |0
+ |1004.3
+ |-34.84
+ |1.2345678901234e+200
+ |1.2345678901234e-200
+(5 rows)
+
+QUERY: UPDATE FLOAT8_TBL
+ SET f1 = FLOAT8_TBL.f1 * '-1'
+ WHERE FLOAT8_TBL.f1 > '0.0';
+QUERY: SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
+ERROR: Bad float8 input format -- overflow
+QUERY: SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
+ERROR: pow() result is out of range
+QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
+ERROR: can't take log of zero
+QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
+ERROR: can't take log of a negative number
+QUERY: SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
+ERROR: exp() result is out of range
+QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
+ERROR: float8div: divide by zero error
+QUERY: SELECT '' AS five, FLOAT8_TBL.*;
+five|f1
+----+---------------------
+ |0
+ |-34.84
+ |-1004.3
+ |-1.2345678901234e+200
+ |-1.2345678901234e-200
+(5 rows)
+
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e400');
+ERROR: Input '10e400' is out of range for float8
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e400');
+ERROR: Input '-10e400' is out of range for float8
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('10e-400');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-10e-400');
+QUERY: DELETE FROM FLOAT8_TBL;
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('0.0');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-34.84');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1004.30');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e+200');
+QUERY: INSERT INTO FLOAT8_TBL(f1) VALUES ('-1.2345678901234e-200');
+QUERY: SELECT '' AS five, FLOAT8_TBL.*;
+five|f1
+----+---------------------
+ |0
+ |-34.84
+ |-1004.3
+ |-1.2345678901234e+200
+ |-1.2345678901234e-200
+(5 rows)
+
projects / postgresql / commitdiff