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Do not use index without limit or if limit + offset > expected tuples

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This commit is contained in:
Andrew Kane
2024-01-20 15:16:30 -08:00
parent 042ddfdc8a
commit 63c4af0454
23 changed files with 177 additions and 45 deletions
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4
test/sql/ivfflat_ip.sql
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@@ -6,7 +6,7 @@ CREATE INDEX ON t USING ivfflat (val vector_ip_ops) WITH (lists = 1);
INSERT INTO t (val) VALUES ('[1,2,4]');
SELECT * FROM t ORDER BY val <#> '[3,3,3]';
SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <#> (SELECT NULL::vector)) t2;
SELECT * FROM t ORDER BY val <#> '[3,3,3]' LIMIT 5;
SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <#> (SELECT NULL::vector) LIMIT 5) t2;
DROP TABLE t;