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https://github.com/pgvector/pgvector.git
synced 2026-06-06 14:01:31 +08:00
72 lines
2.7 KiB
SQL
72 lines
2.7 KiB
SQL
SELECT '[1,2,3]'::halfvec + '[4,5,6]';
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SELECT '[65519]'::halfvec + '[65519]';
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SELECT '[1,2,3]'::halfvec - '[4,5,6]';
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SELECT '[-65519]'::halfvec - '[65519]';
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SELECT '[1,2,3]'::halfvec * '[4,5,6]';
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SELECT '[65519]'::halfvec * '[65519]';
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SELECT '[1e-7]'::halfvec * '[1e-7]';
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SELECT '[1,2,3]'::halfvec < '[1,2,3]';
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SELECT '[1,2,3]'::halfvec < '[1,2]';
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SELECT '[1,2,3]'::halfvec <= '[1,2,3]';
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SELECT '[1,2,3]'::halfvec <= '[1,2]';
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SELECT '[1,2,3]'::halfvec = '[1,2,3]';
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SELECT '[1,2,3]'::halfvec = '[1,2]';
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SELECT '[1,2,3]'::halfvec != '[1,2,3]';
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SELECT '[1,2,3]'::halfvec != '[1,2]';
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SELECT '[1,2,3]'::halfvec >= '[1,2,3]';
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SELECT '[1,2,3]'::halfvec >= '[1,2]';
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SELECT '[1,2,3]'::halfvec > '[1,2,3]';
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SELECT '[1,2,3]'::halfvec > '[1,2]';
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SELECT halfvec_cmp('[1,2,3]', '[1,2,3]');
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SELECT halfvec_cmp('[1,2,3]', '[0,0,0]');
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SELECT halfvec_cmp('[0,0,0]', '[1,2,3]');
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SELECT halfvec_cmp('[1,2]', '[1,2,3]');
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SELECT halfvec_cmp('[1,2,3]', '[1,2]');
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SELECT halfvec_cmp('[1,2]', '[2,3,4]');
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SELECT halfvec_cmp('[2,3]', '[1,2,3]');
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SELECT halfvec_dims('[1,2,3]'::halfvec);
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SELECT round(halfvec_norm('[1,1]')::numeric, 5);
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SELECT halfvec_norm('[3,4]');
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SELECT halfvec_norm('[0,1]');
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SELECT l2_distance('[0,0]'::halfvec, '[3,4]');
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SELECT l2_distance('[0,0]'::halfvec, '[0,1]');
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SELECT l2_distance('[1,2]'::halfvec, '[3]');
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SELECT l2_distance('[1,1,1,1,1,1,1,1,1]'::halfvec, '[1,1,1,1,1,1,1,4,5]');
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SELECT '[0,0]'::halfvec <-> '[3,4]';
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SELECT inner_product('[1,2]'::halfvec, '[3,4]');
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SELECT inner_product('[1,2]'::halfvec, '[3]');
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SELECT inner_product('[65504]'::halfvec, '[65504]');
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SELECT inner_product('[1,1,1,1,1,1,1,1,1]'::halfvec, '[1,2,3,4,5,6,7,8,9]');
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SELECT '[1,2]'::halfvec <#> '[3,4]';
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SELECT cosine_distance('[1,2]'::halfvec, '[2,4]');
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SELECT cosine_distance('[1,2]'::halfvec, '[0,0]');
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SELECT cosine_distance('[1,1]'::halfvec, '[1,1]');
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SELECT cosine_distance('[1,0]'::halfvec, '[0,2]');
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SELECT cosine_distance('[1,1]'::halfvec, '[-1,-1]');
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SELECT cosine_distance('[1,2]'::halfvec, '[3]');
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SELECT cosine_distance('[1,1]'::halfvec, '[1.1,1.1]');
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SELECT cosine_distance('[1,1]'::halfvec, '[-1.1,-1.1]');
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SELECT '[1,2]'::halfvec <=> '[2,4]';
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SELECT l1_distance('[0,0]'::halfvec, '[3,4]');
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SELECT l1_distance('[0,0]'::halfvec, '[0,1]');
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SELECT l1_distance('[1,2]'::halfvec, '[3]');
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SELECT quantize_binary('[1,0,-1]'::halfvec);
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SELECT quantize_binary('[0,0.1,-0.2,-0.3,0.4,0.5,0.6,-0.7,0.8,-0.9,1]'::halfvec);
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SELECT subvector('[1,2,3,4,5]'::halfvec, 1, 3);
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SELECT subvector('[1,2,3,4,5]'::halfvec, 3, 2);
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SELECT subvector('[1,2,3,4,5]'::halfvec, -1, 3);
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SELECT subvector('[1,2,3,4,5]'::halfvec, 3, 9);
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SELECT subvector('[1,2,3,4,5]'::halfvec, 1, 0);
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SELECT subvector('[1,2,3,4,5]'::halfvec, 3, -1);
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SELECT subvector('[1,2,3,4,5]'::halfvec, -1, 2);
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