mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-08-28 19:57:19 +02:00
67 lines
1.0 KiB
Plaintext
67 lines
1.0 KiB
Plaintext
-- float4 check
|
|
CREATE TABLE float4tmp (a float4);
|
|
\copy float4tmp from 'data/float4.data'
|
|
SET enable_seqscan=on;
|
|
SELECT count(*) FROM float4tmp WHERE a < -179.0;
|
|
count
|
|
-------
|
|
244
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a <= -179.0;
|
|
count
|
|
-------
|
|
245
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a = -179.0;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a >= -179.0;
|
|
count
|
|
-------
|
|
303
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a > -179.0;
|
|
count
|
|
-------
|
|
302
|
|
(1 row)
|
|
|
|
CREATE INDEX float4idx ON float4tmp USING gist ( a );
|
|
SET enable_seqscan=off;
|
|
SELECT count(*) FROM float4tmp WHERE a < -179.0::float4;
|
|
count
|
|
-------
|
|
244
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a <= -179.0::float4;
|
|
count
|
|
-------
|
|
245
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a = -179.0::float4;
|
|
count
|
|
-------
|
|
1
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a >= -179.0::float4;
|
|
count
|
|
-------
|
|
303
|
|
(1 row)
|
|
|
|
SELECT count(*) FROM float4tmp WHERE a > -179.0::float4;
|
|
count
|
|
-------
|
|
302
|
|
(1 row)
|
|
|