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14 lines
460 B
SQL
14 lines
460 B
SQL
SET enable_seqscan = off;
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CREATE TABLE t (val sparsevec);
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INSERT INTO t (val) VALUES ('{}'), ('{0:1,1:2,2:3}'), ('{0:1,1:1,2:1}'), (NULL);
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CREATE INDEX ON t USING hnsw (val sparsevec_cosine_ops);
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INSERT INTO t (val) VALUES ('{0:1,1:2,2:4}');
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SELECT * FROM t ORDER BY val <=> '{0:3,1:3,2:3}';
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SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> '{}') t2;
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SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> (SELECT NULL::sparsevec)) t2;
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DROP TABLE t;
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