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set enable_seqscan=off;
CREATE TABLE test_int2 (
i int2
);
INSERT INTO test_int2 VALUES (-2),(-1),(0),(1),(2),(3);
CREATE INDEX idx_int2 ON test_int2 USING rum (i);
SELECT * FROM test_int2 WHERE i<1::int2 ORDER BY i;
SELECT * FROM test_int2 WHERE i<=1::int2 ORDER BY i;
SELECT * FROM test_int2 WHERE i=1::int2 ORDER BY i;
SELECT * FROM test_int2 WHERE i>=1::int2 ORDER BY i;
SELECT * FROM test_int2 WHERE i>1::int2 ORDER BY i;
EXPLAIN (costs off)
SELECT *, i <=> 0::int2 FROM test_int2 ORDER BY i <=> 0::int2;
SELECT *, i <=> 0::int2 FROM test_int2 ORDER BY i <=> 0::int2;
EXPLAIN (costs off)
SELECT *, i <=> 1::int2 FROM test_int2 WHERE i<1::int2 ORDER BY i <=> 1::int2;
SELECT *, i <=> 1::int2 FROM test_int2 WHERE i<1::int2 ORDER BY i <=> 1::int2;
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