mirror of
https://github.com/pgvector/pgvector.git
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599 lines
12 KiB
Plaintext
599 lines
12 KiB
Plaintext
SELECT '[1,2,3]'::minivec;
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minivec
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---------
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[1,2,3]
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(1 row)
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SELECT '[-1,-2,-3]'::minivec;
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minivec
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------------
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[-1,-2,-3]
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(1 row)
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SELECT '[1.,2.,3.]'::minivec;
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minivec
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---------
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[1,2,3]
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(1 row)
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SELECT ' [ 1, 2 , 3 ] '::minivec;
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minivec
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---------
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[1,2,3]
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(1 row)
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SELECT '[1.23456]'::minivec;
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minivec
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---------
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[1.25]
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(1 row)
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SELECT '[hello,1]'::minivec;
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ERROR: invalid input syntax for type minivec: "[hello,1]"
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LINE 1: SELECT '[hello,1]'::minivec;
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^
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SELECT '[NaN,1]'::minivec;
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ERROR: NaN not allowed in minivec
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LINE 1: SELECT '[NaN,1]'::minivec;
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^
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SELECT '[Infinity,1]'::minivec;
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ERROR: "Infinity" is out of range for type minivec
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LINE 1: SELECT '[Infinity,1]'::minivec;
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^
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SELECT '[-Infinity,1]'::minivec;
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ERROR: "-Infinity" is out of range for type minivec
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LINE 1: SELECT '[-Infinity,1]'::minivec;
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^
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SELECT '[65519,-65519]'::minivec;
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ERROR: "65519" is out of range for type minivec
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LINE 1: SELECT '[65519,-65519]'::minivec;
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^
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SELECT '[65520,-65520]'::minivec;
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ERROR: "65520" is out of range for type minivec
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LINE 1: SELECT '[65520,-65520]'::minivec;
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^
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SELECT '[1e-8,-1e-8]'::minivec;
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minivec
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---------
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[0,-0]
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(1 row)
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SELECT '[4e38,1]'::minivec;
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ERROR: "4e38" is out of range for type minivec
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LINE 1: SELECT '[4e38,1]'::minivec;
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^
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SELECT '[1e-46,1]'::minivec;
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minivec
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---------
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[0,1]
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(1 row)
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SELECT '[1,2,3'::minivec;
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ERROR: invalid input syntax for type minivec: "[1,2,3"
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LINE 1: SELECT '[1,2,3'::minivec;
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^
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SELECT '[1,2,3]9'::minivec;
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ERROR: invalid input syntax for type minivec: "[1,2,3]9"
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LINE 1: SELECT '[1,2,3]9'::minivec;
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^
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DETAIL: Junk after closing right brace.
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SELECT '1,2,3'::minivec;
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ERROR: invalid input syntax for type minivec: "1,2,3"
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LINE 1: SELECT '1,2,3'::minivec;
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^
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DETAIL: Vector contents must start with "[".
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SELECT ''::minivec;
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ERROR: invalid input syntax for type minivec: ""
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LINE 1: SELECT ''::minivec;
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^
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DETAIL: Vector contents must start with "[".
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SELECT '['::minivec;
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ERROR: invalid input syntax for type minivec: "["
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LINE 1: SELECT '['::minivec;
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^
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SELECT '[ '::minivec;
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ERROR: invalid input syntax for type minivec: "[ "
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LINE 1: SELECT '[ '::minivec;
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^
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SELECT '[,'::minivec;
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ERROR: invalid input syntax for type minivec: "[,"
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LINE 1: SELECT '[,'::minivec;
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^
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SELECT '[]'::minivec;
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ERROR: minivec must have at least 1 dimension
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LINE 1: SELECT '[]'::minivec;
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^
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SELECT '[ ]'::minivec;
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ERROR: minivec must have at least 1 dimension
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LINE 1: SELECT '[ ]'::minivec;
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^
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SELECT '[,]'::minivec;
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ERROR: invalid input syntax for type minivec: "[,]"
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LINE 1: SELECT '[,]'::minivec;
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^
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SELECT '[1,]'::minivec;
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ERROR: invalid input syntax for type minivec: "[1,]"
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LINE 1: SELECT '[1,]'::minivec;
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^
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SELECT '[1a]'::minivec;
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ERROR: invalid input syntax for type minivec: "[1a]"
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LINE 1: SELECT '[1a]'::minivec;
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^
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SELECT '[1,,3]'::minivec;
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ERROR: invalid input syntax for type minivec: "[1,,3]"
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LINE 1: SELECT '[1,,3]'::minivec;
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^
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SELECT '[1, ,3]'::minivec;
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ERROR: invalid input syntax for type minivec: "[1, ,3]"
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LINE 1: SELECT '[1, ,3]'::minivec;
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^
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SELECT '[1,2,3]'::minivec(3);
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minivec
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---------
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[1,2,3]
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(1 row)
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SELECT '[1,2,3]'::minivec(2);
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minivec
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---------
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[1,2,3]
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(1 row)
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SELECT '[1,2,3]'::minivec(3, 2);
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ERROR: invalid type modifier
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LINE 1: SELECT '[1,2,3]'::minivec(3, 2);
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^
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SELECT '[1,2,3]'::minivec('a');
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ERROR: invalid input syntax for type integer: "a"
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LINE 1: SELECT '[1,2,3]'::minivec('a');
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^
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SELECT '[1,2,3]'::minivec(0);
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ERROR: dimensions for type minivec must be at least 1
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LINE 1: SELECT '[1,2,3]'::minivec(0);
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^
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SELECT '[1,2,3]'::minivec(16001);
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ERROR: dimensions for type minivec cannot exceed 16000
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LINE 1: SELECT '[1,2,3]'::minivec(16001);
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^
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SELECT unnest('{"[1,2,3]", "[4,5,6]"}'::minivec[]);
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unnest
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---------
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[1,2,3]
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[4,5,6]
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(2 rows)
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SELECT '{"[1,2,3]"}'::minivec(2)[];
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minivec
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-------------
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{"[1,2,3]"}
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(1 row)
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SELECT '[1,2,3]'::minivec + '[4,5,6]';
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?column?
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----------
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[5,7,9]
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(1 row)
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SELECT '[448]'::minivec + '[448]';
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ERROR: value out of range: overflow
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SELECT '[1,2]'::minivec + '[3]';
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ERROR: different minivec dimensions 2 and 1
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SELECT '[1,2,3]'::minivec - '[4,5,6]';
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?column?
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------------
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[-3,-3,-3]
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(1 row)
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SELECT '[-448]'::minivec - '[448]';
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ERROR: value out of range: overflow
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SELECT '[1,2]'::minivec - '[3]';
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ERROR: different minivec dimensions 2 and 1
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SELECT '[1,2,3]'::minivec * '[4,5,6]';
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?column?
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-----------
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[4,10,18]
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(1 row)
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SELECT '[448]'::minivec * '[448]';
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ERROR: value out of range: overflow
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SELECT '[1e-7]'::minivec * '[1e-7]';
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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 '[1,2]'::minivec * '[3]';
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ERROR: different minivec dimensions 2 and 1
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SELECT '[1,2,3]'::minivec || '[4,5]';
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?column?
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-------------
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[1,2,3,4,5]
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(1 row)
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SELECT array_fill(0, ARRAY[16000])::minivec || '[1]';
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ERROR: cannot cast type integer[] to minivec
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LINE 1: SELECT array_fill(0, ARRAY[16000])::minivec || '[1]';
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^
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SELECT '[1,2,3]'::minivec < '[1,2,3]';
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?column?
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----------
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f
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(1 row)
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SELECT '[1,2,3]'::minivec < '[1,2]';
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?column?
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----------
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f
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(1 row)
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SELECT '[1,2,3]'::minivec <= '[1,2,3]';
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?column?
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----------
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t
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(1 row)
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SELECT '[1,2,3]'::minivec <= '[1,2]';
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?column?
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----------
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f
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(1 row)
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SELECT '[1,2,3]'::minivec = '[1,2,3]';
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?column?
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----------
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t
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(1 row)
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SELECT '[1,2,3]'::minivec = '[1,2]';
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?column?
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----------
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f
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(1 row)
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SELECT '[1,2,3]'::minivec != '[1,2,3]';
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?column?
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----------
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f
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(1 row)
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SELECT '[1,2,3]'::minivec != '[1,2]';
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?column?
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----------
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t
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(1 row)
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SELECT '[1,2,3]'::minivec >= '[1,2,3]';
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?column?
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----------
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t
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(1 row)
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SELECT '[1,2,3]'::minivec >= '[1,2]';
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?column?
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----------
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t
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(1 row)
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SELECT '[1,2,3]'::minivec > '[1,2,3]';
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?column?
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----------
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f
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(1 row)
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SELECT '[1,2,3]'::minivec > '[1,2]';
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?column?
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----------
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t
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(1 row)
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SELECT minivec_cmp('[1,2,3]', '[1,2,3]');
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minivec_cmp
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-------------
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0
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(1 row)
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SELECT minivec_cmp('[1,2,3]', '[0,0,0]');
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minivec_cmp
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-------------
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1
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(1 row)
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SELECT minivec_cmp('[0,0,0]', '[1,2,3]');
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minivec_cmp
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-------------
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-1
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(1 row)
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SELECT minivec_cmp('[1,2]', '[1,2,3]');
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minivec_cmp
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-------------
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-1
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(1 row)
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SELECT minivec_cmp('[1,2,3]', '[1,2]');
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minivec_cmp
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-------------
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1
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(1 row)
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SELECT minivec_cmp('[1,2]', '[2,3,4]');
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minivec_cmp
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-------------
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-1
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(1 row)
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SELECT minivec_cmp('[2,3]', '[1,2,3]');
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minivec_cmp
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-------------
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1
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(1 row)
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SELECT vector_dims('[1,2,3]'::minivec);
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vector_dims
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-------------
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3
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(1 row)
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SELECT round(l2_norm('[1,1]'::minivec)::numeric, 5);
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round
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---------
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1.41421
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(1 row)
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SELECT l2_norm('[3,4]'::minivec);
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l2_norm
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---------
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5
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(1 row)
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SELECT l2_norm('[0,1]'::minivec);
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l2_norm
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---------
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1
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(1 row)
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SELECT l2_norm('[0,0]'::minivec);
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l2_norm
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---------
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0
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(1 row)
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SELECT l2_norm('[2]'::minivec);
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l2_norm
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---------
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2
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(1 row)
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SELECT l2_distance('[0,0]'::minivec, '[3,4]');
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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]'::minivec, '[0,1]');
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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]'::minivec, '[3]');
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ERROR: different minivec dimensions 2 and 1
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SELECT l2_distance('[1,1,1,1,1,1,1,1,1]'::minivec, '[1,1,1,1,1,1,1,4,5]');
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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 '[0,0]'::minivec <-> '[3,4]';
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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]'::minivec, '[3,4]');
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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]'::minivec, '[3]');
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ERROR: different minivec dimensions 2 and 1
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SELECT inner_product('[448]'::minivec, '[448]');
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inner_product
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---------------
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200704
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(1 row)
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SELECT inner_product('[1,1,1,1,1,1,1,1,1]'::minivec, '[1,2,3,4,5,6,7,8,9]');
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inner_product
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---------------
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45
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(1 row)
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SELECT '[1,2]'::minivec <#> '[3,4]';
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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]'::minivec, '[2,4]');
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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]'::minivec, '[0,0]');
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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]'::minivec, '[1,1]');
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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]'::minivec, '[0,2]');
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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]'::minivec, '[-1,-1]');
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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]'::minivec, '[3]');
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ERROR: different minivec dimensions 2 and 1
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SELECT cosine_distance('[1,1]'::minivec, '[1.1,1.1]');
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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]'::minivec, '[-1.1,-1.1]');
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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('[1,2,3,4,5,6,7,8,9]'::minivec, '[1,2,3,4,5,6,7,8,9]');
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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('[1,2,3,4,5,6,7,8,9]'::minivec, '[-1,-2,-3,-4,-5,-6,-7,-8,-9]');
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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]'::minivec <=> '[2,4]';
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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]'::minivec, '[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]'::minivec, '[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]'::minivec, '[3]');
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ERROR: different minivec dimensions 2 and 1
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SELECT l1_distance('[1,2,3,4,5,6,7,8,9]'::minivec, '[1,2,3,4,5,6,7,8,9]');
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l1_distance
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-------------
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0
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(1 row)
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SELECT l1_distance('[1,2,3,4,5,6,7,8,9]'::minivec, '[0,3,2,5,4,7,6,9,8]');
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l1_distance
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-------------
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9
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(1 row)
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SELECT '[0,0]'::minivec <+> '[3,4]';
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?column?
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----------
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7
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(1 row)
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SELECT l2_normalize('[3,4]'::minivec);
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l2_normalize
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----------------
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[0.625,0.8125]
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(1 row)
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SELECT l2_normalize('[3,0]'::minivec);
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l2_normalize
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--------------
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[1,0]
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(1 row)
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SELECT l2_normalize('[0,0.1]'::minivec);
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l2_normalize
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--------------
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[0,1]
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(1 row)
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SELECT l2_normalize('[0,0]'::minivec);
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l2_normalize
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--------------
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[0,0]
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(1 row)
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SELECT l2_normalize('[448]'::minivec);
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l2_normalize
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--------------
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[1]
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(1 row)
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SELECT binary_quantize('[1,0,-1]'::minivec);
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binary_quantize
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-----------------
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100
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(1 row)
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SELECT binary_quantize('[0,0.1,-0.2,-0.3,0.4,0.5,0.6,-0.7,0.8,-0.9,1]'::minivec);
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binary_quantize
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-----------------
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01001110101
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(1 row)
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SELECT subvector('[1,2,3,4,5]'::minivec, 1, 3);
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subvector
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-----------
|
|
[1,2,3]
|
|
(1 row)
|
|
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, 3, 2);
|
|
subvector
|
|
-----------
|
|
[3,4]
|
|
(1 row)
|
|
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, -1, 3);
|
|
subvector
|
|
-----------
|
|
[1]
|
|
(1 row)
|
|
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, 3, 9);
|
|
subvector
|
|
-----------
|
|
[3,4,5]
|
|
(1 row)
|
|
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, 1, 0);
|
|
ERROR: minivec must have at least 1 dimension
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, 3, -1);
|
|
ERROR: minivec must have at least 1 dimension
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, -1, 2);
|
|
ERROR: minivec must have at least 1 dimension
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, 2147483647, 10);
|
|
ERROR: minivec must have at least 1 dimension
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, 3, 2147483647);
|
|
subvector
|
|
-----------
|
|
[3,4,5]
|
|
(1 row)
|
|
|
|
SELECT subvector('[1,2,3,4,5]'::minivec, -2147483644, 2147483647);
|
|
subvector
|
|
-----------
|
|
[1,2]
|
|
(1 row)
|
|
|