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-- bool check
CREATE TABLE booltmp (a bool);
INSERT INTO booltmp VALUES (false), (true);
SET enable_seqscan=on;
SELECT count(*) FROM booltmp WHERE a < true;
SELECT count(*) FROM booltmp WHERE a <= true;
SELECT count(*) FROM booltmp WHERE a = true;
SELECT count(*) FROM booltmp WHERE a >= true;
SELECT count(*) FROM booltmp WHERE a > true;
CREATE INDEX boolidx ON booltmp USING gist ( a );
SET enable_seqscan=off;
SELECT count(*) FROM booltmp WHERE a < true;
SELECT count(*) FROM booltmp WHERE a <= true;
SELECT count(*) FROM booltmp WHERE a = true;
SELECT count(*) FROM booltmp WHERE a >= true;
SELECT count(*) FROM booltmp WHERE a > true;
-- Test index-only scans
SET enable_bitmapscan=off;
EXPLAIN (COSTS OFF)
SELECT * FROM booltmp WHERE a;
SELECT * FROM booltmp WHERE a;
EXPLAIN (COSTS OFF)
SELECT * FROM booltmp WHERE NOT a;
SELECT * FROM booltmp WHERE NOT a;
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