mirror of
https://github.com/pgvector/pgvector.git
synced 2026-06-30 01:31:15 +08:00
183 lines
3.2 KiB
Plaintext
183 lines
3.2 KiB
Plaintext
SELECT '1.5'::half;
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half
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------
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1.5
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(1 row)
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SELECT '65504'::half;
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half
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-------
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65504
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(1 row)
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SELECT '65505'::half;
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ERROR: "65505" is out of range for type half
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LINE 1: SELECT '65505'::half;
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^
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SELECT '-65504'::half;
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half
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--------
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-65504
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(1 row)
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SELECT '-65505'::half;
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ERROR: "-65505" is out of range for type half
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LINE 1: SELECT '-65505'::half;
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^
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SELECT ''::half;
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ERROR: invalid input syntax for type half: ""
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LINE 1: SELECT ''::half;
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^
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SELECT ' '::half;
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ERROR: invalid input syntax for type half: " "
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LINE 1: SELECT ' '::half;
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^
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SELECT '-'::half;
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ERROR: invalid input syntax for type half: "-"
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LINE 1: SELECT '-'::half;
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^
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SELECT ' 1.5'::half;
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half
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------
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1.5
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(1 row)
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SELECT '1.5 '::half;
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half
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------
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1.5
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(1 row)
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SELECT '1.5a'::half;
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ERROR: invalid input syntax for type half: "1.5a"
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LINE 1: SELECT '1.5a'::half;
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^
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SELECT '{1,2,3}'::half[];
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half
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---------
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{1,2,3}
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(1 row)
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SELECT '65505'::integer::half;
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half
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-------
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65504
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(1 row)
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SELECT 'NaN'::real::half;
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half
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------
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NaN
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(1 row)
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SELECT 'Infinity'::real::half;
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half
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----------
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Infinity
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(1 row)
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SELECT l2_distance('{0,0}'::half[], '{3,4}'::half[]);
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l2_distance
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-------------
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5
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(1 row)
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SELECT l2_distance('{0,0}'::half[], '{0,1}'::half[]);
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l2_distance
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-------------
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1
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(1 row)
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SELECT l2_distance('{1,2}'::half[], '{3}'::half[]);
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ERROR: different dimensions 2 and 1
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SELECT '{0,0}'::half[] <-> '{3,4}'::half[];
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?column?
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----------
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5
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(1 row)
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SELECT inner_product('{1,2}'::half[], '{3,4}'::half[]);
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inner_product
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---------------
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11
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(1 row)
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SELECT inner_product('{1,2}'::half[], '{3}'::half[]);
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ERROR: different dimensions 2 and 1
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SELECT inner_product('{65504}'::half[], '{65504}'::half[]);
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inner_product
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---------------
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4290774016
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(1 row)
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SELECT '{1,2}'::half[] <#> '{3,4}'::half[];
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?column?
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----------
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-11
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(1 row)
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SELECT cosine_distance('{1,2}'::half[], '{2,4}'::half[]);
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cosine_distance
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-----------------
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0
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(1 row)
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SELECT cosine_distance('{1,2}'::half[], '{0,0}'::half[]);
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cosine_distance
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-----------------
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NaN
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(1 row)
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SELECT cosine_distance('{1,1}'::half[], '{1,1}'::half[]);
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cosine_distance
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-----------------
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0
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(1 row)
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SELECT cosine_distance('{1,0}'::half[], '{0,2}'::half[]);
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cosine_distance
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-----------------
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1
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(1 row)
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SELECT cosine_distance('{1,1}'::half[], '{-1,-1}'::half[]);
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cosine_distance
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-----------------
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2
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(1 row)
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SELECT cosine_distance('{1,2}'::half[], '{3}'::half[]);
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ERROR: different dimensions 2 and 1
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SELECT cosine_distance('{1,1}'::half[], '{1.1,1.1}'::half[]);
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cosine_distance
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-----------------
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0
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(1 row)
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SELECT cosine_distance('{1,1}'::half[], '{-1.1,-1.1}'::half[]);
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cosine_distance
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-----------------
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2
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(1 row)
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SELECT '{1,2}'::half[] <=> '{2,4}'::half[];
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?column?
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----------
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0
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(1 row)
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SELECT l1_distance('{0,0}'::half[], '{3,4}');
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l1_distance
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-------------
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7
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(1 row)
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SELECT l1_distance('{0,0}'::half[], '{0,1}');
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l1_distance
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-------------
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1
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(1 row)
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SELECT l1_distance('{1,2}'::half[], '{3}');
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ERROR: different dimensions 2 and 1
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