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Diffstat (limited to 'contrib/btree_gist/sql/char.sql')
-rw-r--r-- | contrib/btree_gist/sql/char.sql | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/contrib/btree_gist/sql/char.sql b/contrib/btree_gist/sql/char.sql new file mode 100644 index 0000000..f6eb52e --- /dev/null +++ b/contrib/btree_gist/sql/char.sql @@ -0,0 +1,37 @@ +-- char check + +CREATE TABLE chartmp (a char(32)); + +\copy chartmp from 'data/char.data' + +SET enable_seqscan=on; + +SELECT count(*) FROM chartmp WHERE a < '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a <= '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a = '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a >= '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a > '31b0'::char(32); + +CREATE INDEX charidx ON chartmp USING GIST ( a ); + +SET enable_seqscan=off; + +SELECT count(*) FROM chartmp WHERE a < '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a <= '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a = '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a >= '31b0'::char(32); + +SELECT count(*) FROM chartmp WHERE a > '31b0'::char(32); + +-- Test index-only scans +SET enable_bitmapscan=off; +EXPLAIN (COSTS OFF) +SELECT * FROM chartmp WHERE a BETWEEN '31a' AND '31c'; +SELECT * FROM chartmp WHERE a BETWEEN '31a' AND '31c'; |