diff options
Diffstat (limited to 'contrib/btree_gist/sql/timestamp.sql')
-rw-r--r-- | contrib/btree_gist/sql/timestamp.sql | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/contrib/btree_gist/sql/timestamp.sql b/contrib/btree_gist/sql/timestamp.sql new file mode 100644 index 0000000..95effeb --- /dev/null +++ b/contrib/btree_gist/sql/timestamp.sql @@ -0,0 +1,37 @@ +-- timestamp check + +CREATE TABLE timestamptmp (a timestamp); + +\copy timestamptmp from 'data/timestamp.data' + +SET enable_seqscan=on; + +SELECT count(*) FROM timestamptmp WHERE a < '2004-10-26 08:55:08'; + +SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08'; + +SELECT count(*) FROM timestamptmp WHERE a = '2004-10-26 08:55:08'; + +SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08'; + +SELECT count(*) FROM timestamptmp WHERE a > '2004-10-26 08:55:08'; + +SELECT a, a <-> '2004-10-26 08:55:08' FROM timestamptmp ORDER BY a <-> '2004-10-26 08:55:08' LIMIT 3; + +CREATE INDEX timestampidx ON timestamptmp USING gist ( a ); + +SET enable_seqscan=off; + +SELECT count(*) FROM timestamptmp WHERE a < '2004-10-26 08:55:08'::timestamp; + +SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08'::timestamp; + +SELECT count(*) FROM timestamptmp WHERE a = '2004-10-26 08:55:08'::timestamp; + +SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08'::timestamp; + +SELECT count(*) FROM timestamptmp WHERE a > '2004-10-26 08:55:08'::timestamp; + +EXPLAIN (COSTS OFF) +SELECT a, a <-> '2004-10-26 08:55:08' FROM timestamptmp ORDER BY a <-> '2004-10-26 08:55:08' LIMIT 3; +SELECT a, a <-> '2004-10-26 08:55:08' FROM timestamptmp ORDER BY a <-> '2004-10-26 08:55:08' LIMIT 3; |