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 79 80 81 82 83 84 85 86 87 88 89
|
\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;
ANALYZE 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_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)';
-- test hash opclass
CREATE TABLE spheretmp1c AS TABLE spheretmp1;
SELECT p FROM spheretmp1c WHERE p <@ scircle '<(1,1),0.2>' ORDER BY p::text;
WITH points AS (SELECT DISTINCT p FROM spheretmp1c WHERE p <@ scircle '<(1,1),0.2>')
SELECT p FROM points ORDER BY p::text;
CREATE INDEX spheretmp1c_hash_idx ON spheretmp1c USING hash(p);
EXPLAIN (COSTS OFF) SELECT * FROM spheretmp1c WHERE p = '(0.67 , 0.97)';
|