forked from postgrespro/pgsphere
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex.sql
78 lines (46 loc) · 2.63 KB
/
index.sql
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
\set ECHO none
SELECT set_sphere_output_precision(8);
\set ECHO all
-- without idx
SELECT count(*) FROM spheretmp1 WHERE p @ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1 WHERE p = spoint '(3.09 , 1.25)' ;
SELECT count(*) FROM spheretmp2 WHERE c @ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp2 WHERE c && scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp3 WHERE b && scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp3 WHERE spoint '(3.09 , 1.25)' @ b ;
SELECT count(*) FROM spheretmp4 WHERE l @ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp4 WHERE l && scircle '<(1,1),0.3>';
-- create idx
CREATE TABLE spheretmp1b AS TABLE spheretmp1;
CREATE INDEX aaaidx ON spheretmp1 USING gist ( p );
CREATE INDEX spoint3_idx ON spheretmp1b USING gist (p spoint3);
CREATE INDEX bbbidx ON spheretmp2 USING gist ( c );
CREATE INDEX cccidx ON spheretmp3 USING gist ( b );
CREATE INDEX dddidx ON spheretmp4 USING gist ( l );
--with idx
SET enable_seqscan = OFF ;
SELECT count(*) FROM spheretmp1 WHERE p @ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1b WHERE p @ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1 WHERE p <@ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1b WHERE p <@ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1 WHERE p = spoint '(3.09 , 1.25)' ;
SELECT count(*) FROM spheretmp1b WHERE p = spoint '(3.09 , 1.25)' ;
SELECT count(*) FROM spheretmp2 WHERE c @ scircle '<(1,1),0.3>' ;
SELECT count(*) FROM spheretmp2 WHERE c && scircle '<(1,1),0.3>' ;
SELECT count(*) FROM spheretmp3 WHERE b && scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp3 WHERE spoint '(3.09 , 1.25)' @ b ;
SELECT count(*) FROM spheretmp4 WHERE l @ scircle '<(1,1),0.3>' ;
SELECT count(*) FROM spheretmp4 WHERE l && scircle '<(1,1),0.3>' ;
-- test spoint3 operator class with and without index-only scan
SET enable_bitmapscan = OFF;
SET enable_indexonlyscan = ON;
EXPLAIN (COSTS OFF) SELECT count(*) FROM spheretmp1b WHERE p <@ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1b WHERE p <@ scircle '<(1,1),0.3>';
EXPLAIN (COSTS OFF) SELECT count(*) FROM spheretmp1b WHERE p = spoint '(3.09 , 1.25)';
SELECT count(*) FROM spheretmp1b WHERE p = spoint '(3.09 , 1.25)';
SET enable_bitmapscan = ON;
SET enable_indexonlyscan = OFF;
EXPLAIN (COSTS OFF) SELECT count(*) FROM spheretmp1b WHERE p <@ scircle '<(1,1),0.3>';
SELECT count(*) FROM spheretmp1b WHERE p <@ scircle '<(1,1),0.3>';
EXPLAIN (COSTS OFF) SELECT count(*) FROM spheretmp1b WHERE p = spoint '(3.09 , 1.25)';
SELECT count(*) FROM spheretmp1b WHERE p = spoint '(3.09 , 1.25)';