diff options
Diffstat (limited to 'contrib/btree_gist/sql/float8.sql')
-rw-r--r-- | contrib/btree_gist/sql/float8.sql | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/contrib/btree_gist/sql/float8.sql b/contrib/btree_gist/sql/float8.sql new file mode 100644 index 0000000..e1e819b --- /dev/null +++ b/contrib/btree_gist/sql/float8.sql @@ -0,0 +1,37 @@ +-- 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; + +SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3; + +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; + +EXPLAIN (COSTS OFF) +SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3; +SELECT a, a <-> '-1890.0' FROM float8tmp ORDER BY a <-> '-1890.0' LIMIT 3; |