4
CREATE TABLE FLOAT4_TBL (f1 float4);
5
INSERT INTO FLOAT4_TBL(f1) VALUES (' 0.0');
6
INSERT INTO FLOAT4_TBL(f1) VALUES ('1004.30 ');
7
INSERT INTO FLOAT4_TBL(f1) VALUES (' -34.84 ');
8
INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e+20');
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INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e-20');
10
-- test for over and under flow
11
INSERT INTO FLOAT4_TBL(f1) VALUES ('10e70');
12
ERROR: value out of range: overflow
13
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('10e70');
15
INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e70');
16
ERROR: value out of range: overflow
17
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e70');
19
INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-70');
20
ERROR: value out of range: underflow
21
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-70');
23
INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-70');
24
ERROR: value out of range: underflow
25
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-70');
28
INSERT INTO FLOAT4_TBL(f1) VALUES ('');
29
ERROR: invalid input syntax for type real: ""
30
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('');
32
INSERT INTO FLOAT4_TBL(f1) VALUES (' ');
33
ERROR: invalid input syntax for type real: " "
34
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES (' ');
36
INSERT INTO FLOAT4_TBL(f1) VALUES ('xyz');
37
ERROR: invalid input syntax for type real: "xyz"
38
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('xyz');
40
INSERT INTO FLOAT4_TBL(f1) VALUES ('5.0.0');
41
ERROR: invalid input syntax for type real: "5.0.0"
42
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('5.0.0');
44
INSERT INTO FLOAT4_TBL(f1) VALUES ('5 . 0');
45
ERROR: invalid input syntax for type real: "5 . 0"
46
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('5 . 0');
48
INSERT INTO FLOAT4_TBL(f1) VALUES ('5. 0');
49
ERROR: invalid input syntax for type real: "5. 0"
50
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('5. 0');
52
INSERT INTO FLOAT4_TBL(f1) VALUES (' - 3.0');
53
ERROR: invalid input syntax for type real: " - 3.0"
54
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES (' - 3.0');
56
INSERT INTO FLOAT4_TBL(f1) VALUES ('123 5');
57
ERROR: invalid input syntax for type real: "123 5"
58
LINE 1: INSERT INTO FLOAT4_TBL(f1) VALUES ('123 5');
73
SELECT ' NAN '::float4;
79
SELECT 'infinity'::float4;
85
SELECT ' -INFINiTY '::float4;
92
SELECT 'N A N'::float4;
93
ERROR: invalid input syntax for type real: "N A N"
94
LINE 1: SELECT 'N A N'::float4;
96
SELECT 'NaN x'::float4;
97
ERROR: invalid input syntax for type real: "NaN x"
98
LINE 1: SELECT 'NaN x'::float4;
100
SELECT ' INFINITY x'::float4;
101
ERROR: invalid input syntax for type real: " INFINITY x"
102
LINE 1: SELECT ' INFINITY x'::float4;
104
SELECT 'Infinity'::float4 + 100.0;
110
SELECT 'Infinity'::float4 / 'Infinity'::float4;
116
SELECT 'nan'::float4 / 'nan'::float4;
122
SELECT '' AS five, * FROM FLOAT4_TBL;
124
------+--------------
132
SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <> '1004.3';
134
------+--------------
141
SELECT '' AS one, f.* FROM FLOAT4_TBL f WHERE f.f1 = '1004.3';
147
SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE '1004.3' > f.f1;
149
-------+--------------
155
SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE f.f1 < '1004.3';
157
-------+--------------
163
SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE '1004.3' >= f.f1;
165
------+--------------
172
SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <= '1004.3';
174
------+--------------
181
SELECT '' AS three, f.f1, f.f1 * '-10' AS x FROM FLOAT4_TBL f
184
-------+--------------+---------------
186
| 1.23457e+020 | -1.23457e+021
187
| 1.23457e-020 | -1.23457e-019
190
SELECT '' AS three, f.f1, f.f1 + '-10' AS x FROM FLOAT4_TBL f
193
-------+--------------+--------------
195
| 1.23457e+020 | 1.23457e+020
199
SELECT '' AS three, f.f1, f.f1 / '-10' AS x FROM FLOAT4_TBL f
202
-------+--------------+---------------
204
| 1.23457e+020 | -1.23457e+019
205
| 1.23457e-020 | -1.23457e-021
208
SELECT '' AS three, f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
211
-------+--------------+--------------
213
| 1.23457e+020 | 1.23457e+020
217
-- test divide by zero
218
SELECT '' AS bad, f.f1 / '0.0' from FLOAT4_TBL f;
219
ERROR: division by zero
220
SELECT '' AS five, * FROM FLOAT4_TBL;
222
------+--------------
230
-- test the unary float4abs operator
231
SELECT '' AS five, f.f1, @f.f1 AS abs_f1 FROM FLOAT4_TBL f;
233
------+--------------+--------------
237
| 1.23457e+020 | 1.23457e+020
238
| 1.23457e-020 | 1.23457e-020
242
SET f1 = FLOAT4_TBL.f1 * '-1'
243
WHERE FLOAT4_TBL.f1 > '0.0';
244
SELECT '' AS five, * FROM FLOAT4_TBL;
246
------+---------------