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Multi-column GIN indexes. Teodor Sigaev

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This commit is contained in:
Tom Lane
2008-07-11 21:06:29 +00:00
parent 2d6599f471
commit 27cb66fdfe
15 changed files with 465 additions and 182 deletions
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29
src/test/regress/sql/create_index.sql
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@@ -138,7 +138,7 @@ RESET enable_indexscan;
RESET enable_bitmapscan;
--
-- GIN over int[]
-- GIN over int[] and text[]
--
SET enable_seqscan = OFF;
@@ -180,6 +180,33 @@ SELECT * FROM array_index_op_test WHERE i && '{32,17}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i <@ '{38,34,32,89}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i = '{47,77}' ORDER BY seqno;
-- And try it with a multicolumn GIN index
DROP INDEX intarrayidx, textarrayidx;
CREATE INDEX botharrayidx ON array_index_op_test USING gin (i, t);
SET enable_seqscan = OFF;
SET enable_indexscan = ON;
SET enable_bitmapscan = OFF;
SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAA80240}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE t && '{AAAAAAA80240}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i @> '{32}' AND t && '{AAAAAAA80240}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i && '{32}' AND t @> '{AAAAAAA80240}' ORDER BY seqno;
SET enable_indexscan = OFF;
SET enable_bitmapscan = ON;
SELECT * FROM array_index_op_test WHERE i @> '{32}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i && '{32}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE t @> '{AAAAAAA80240}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE t && '{AAAAAAA80240}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i @> '{32}' AND t && '{AAAAAAA80240}' ORDER BY seqno;
SELECT * FROM array_index_op_test WHERE i && '{32}' AND t @> '{AAAAAAA80240}' ORDER BY seqno;
RESET enable_seqscan;
RESET enable_indexscan;
RESET enable_bitmapscan;