3
-- Test various combinations of numeric types and functions.
7
-- Test implicit type conversions
8
-- This fails for Postgres v6.1 (and earlier?)
9
-- so let's try explicit conversions for now - tgl 97/05/07
12
CREATE TABLE TEMP_FLOAT (f1 FLOAT8);
14
INSERT INTO TEMP_FLOAT (f1)
15
SELECT float8(f1) FROM INT4_TBL;
17
INSERT INTO TEMP_FLOAT (f1)
18
SELECT float8(f1) FROM INT2_TBL;
20
SELECT '' AS ten, f1 FROM TEMP_FLOAT
25
CREATE TABLE TEMP_INT4 (f1 INT4);
27
INSERT INTO TEMP_INT4 (f1)
28
SELECT int4(f1) FROM FLOAT8_TBL
29
WHERE (f1 > -2147483647) AND (f1 < 2147483647);
31
INSERT INTO TEMP_INT4 (f1)
32
SELECT int4(f1) FROM INT2_TBL;
34
SELECT '' AS nine, f1 FROM TEMP_INT4
39
CREATE TABLE TEMP_INT2 (f1 INT2);
41
INSERT INTO TEMP_INT2 (f1)
42
SELECT int2(f1) FROM FLOAT8_TBL
43
WHERE (f1 >= -32767) AND (f1 <= 32767);
45
INSERT INTO TEMP_INT2 (f1)
46
SELECT int2(f1) FROM INT4_TBL
47
WHERE (f1 >= -32767) AND (f1 <= 32767);
49
SELECT '' AS five, f1 FROM TEMP_INT2
53
-- Group-by combinations
56
CREATE TABLE TEMP_GROUP (f1 INT4, f2 INT4, f3 FLOAT8);
58
INSERT INTO TEMP_GROUP
59
SELECT 1, (- i.f1), (- f.f1)
60
FROM INT4_TBL i, FLOAT8_TBL f;
62
INSERT INTO TEMP_GROUP
64
FROM INT4_TBL i, FLOAT8_TBL f;
66
SELECT DISTINCT f1 AS two FROM TEMP_GROUP;
68
SELECT f1 AS two, max(f3) AS max_float, min(f3) as min_float
71
ORDER BY two, max_float, min_float;
73
-- GROUP BY a result column name is not legal per SQL92, but we accept it
74
-- anyway (if the name is not the name of any column exposed by FROM).
75
SELECT f1 AS two, max(f3) AS max_float, min(f3) AS min_float
78
ORDER BY two, max_float, min_float;
80
SELECT f1 AS two, (max(f3) + 1) AS max_plus_1, (min(f3) - 1) AS min_minus_1
83
ORDER BY two, min_minus_1;
86
max(f2) + min(f2) AS max_plus_min,
87
min(f3) - 1 AS min_minus_1
90
ORDER BY two, min_minus_1;
96
DROP TABLE TEMP_FLOAT;
98
DROP TABLE TEMP_GROUP;