mirror of
https://github.com/postgres/postgres.git
synced 2025-04-20 00:42:27 +03:00
32 lines
757 B
SQL
32 lines
757 B
SQL
-- float8 check
|
|
|
|
CREATE TABLE float8tmp (a float8);
|
|
|
|
\copy float8tmp from 'data/float8.data'
|
|
|
|
SET enable_seqscan=on;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a < -1890.0;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a <= -1890.0;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a = -1890.0;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a >= -1890.0;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a > -1890.0;
|
|
|
|
CREATE INDEX float8idx ON float8tmp USING gist ( a );
|
|
|
|
SET enable_seqscan=off;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a < -1890.0::float8;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a <= -1890.0::float8;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a = -1890.0::float8;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a >= -1890.0::float8;
|
|
|
|
SELECT count(*) FROM float8tmp WHERE a > -1890.0::float8;
|