diff options
Diffstat (limited to 'contrib/btree_gin/sql/bpchar.sql')
-rw-r--r-- | contrib/btree_gin/sql/bpchar.sql | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/contrib/btree_gin/sql/bpchar.sql b/contrib/btree_gin/sql/bpchar.sql new file mode 100644 index 0000000..4c951e3 --- /dev/null +++ b/contrib/btree_gin/sql/bpchar.sql @@ -0,0 +1,22 @@ +set enable_seqscan=off; + +CREATE TABLE test_bpchar ( + i char(10) +); + +INSERT INTO test_bpchar VALUES ('a'),('ab'),('abc'),('abc '),('abb'),('axy'),('xyz'),('xyz '); + +CREATE INDEX idx_bpchar ON test_bpchar USING gin (i); + +SELECT * FROM test_bpchar WHERE i<'abc' ORDER BY i; +SELECT * FROM test_bpchar WHERE i<='abc' ORDER BY i; +SELECT * FROM test_bpchar WHERE i='abc' ORDER BY i; +SELECT * FROM test_bpchar WHERE i='abc ' ORDER BY i; +SELECT * FROM test_bpchar WHERE i>='abc' ORDER BY i; +SELECT * FROM test_bpchar WHERE i>'abc' ORDER BY i; + +EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i<'abc' ORDER BY i; +EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i<='abc' ORDER BY i; +EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i='abc' ORDER BY i; +EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i>='abc' ORDER BY i; +EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i>'abc' ORDER BY i; |