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170 lines
6.2 KiB
Text
170 lines
6.2 KiB
Text
create table t1 (id int auto_increment primary key, v vector(5) not null, vector index (v));
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insert t1 (v) values (x'e360d63ebe554f3fcdbc523f4522193f5236083d'),
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(x'f511303f72224a3fdd05fe3eb22a133ffae86a3f'),
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(x'f09baa3ea172763f123def3e0c7fe53e288bf33e'),
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(x'b97a523f2a193e3eb4f62e3f2d23583e9dd60d3f'),
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(x'f7c5df3e984b2b3e65e59d3d7376db3eac63773e'),
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(x'de01453ffa486d3f10aa4d3fdd66813c71cb163f'),
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(x'76edfc3e4b57243f10f8423fb158713f020bda3e'),
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(x'56926c3fdf098d3e2c8c5e3d1ad4953daa9d0b3e'),
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(x'7b713f3e5258323f80d1113d673b2b3f66e3583f'),
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(x'6ca1d43e9df91b3fe580da3e1c247d3f147cf33e');
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select vec_totext(x'aabbcc');
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vec_totext(x'aabbcc')
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NULL
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Warnings:
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Warning 4204 Invalid binary vector format. Must use IEEE standard float representation in little-endian format. Use VEC_FromText() to generate it.
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select vec_totext(x'0000f07f');
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vec_totext(x'0000f07f')
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[NaN]
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select vec_totext(x'0000f0ff');
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vec_totext(x'0000f0ff')
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[NaN]
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select vec_totext(x'0000807f');
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vec_totext(x'0000807f')
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[Inf]
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select vec_totext(x'000080ff');
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vec_totext(x'000080ff')
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[-Inf]
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select hex(vec_fromtext('["a"]'));
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hex(vec_fromtext('["a"]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 4 for '["a"]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[]'));
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hex(vec_fromtext('[]'))
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select hex(vec_fromtext('["a"]'));
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hex(vec_fromtext('["a"]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 4 for '["a"]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[{"a": "b"}]'));
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hex(vec_fromtext('[{"a": "b"}]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 2 for '[{"a": "b"}]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[null]'));
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hex(vec_fromtext('[null]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 5 for '[null]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[1, null]'));
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hex(vec_fromtext('[1, null]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 8 for '[1, null]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[1, ["a"]]'));
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hex(vec_fromtext('[1, ["a"]]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 5 for '[1, ["a"]]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[1, [2]]'));
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hex(vec_fromtext('[1, [2]]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 5 for '[1, [2]]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('{"a":"b"}'));
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hex(vec_fromtext('{"a":"b"}'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 1 for '{"a":"b"}'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[1, 2, "z", 3]'));
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hex(vec_fromtext('[1, 2, "z", 3]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 10 for '[1, 2, "z", 3]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[1, 2, 3'));
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hex(vec_fromtext('[1, 2, 3'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 8 for '[1, 2, 3'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('1, 2, 3]'));
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hex(vec_fromtext('1, 2, 3]'))
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 1 for '1, 2, 3]'. Must be a valid JSON array of numbers.
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select hex(vec_fromtext('[]'));
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hex(vec_fromtext('[]'))
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select vec_totext(x'');
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vec_totext(x'')
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[]
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select id, vec_totext(t1.v) as a, vec_totext(vec_fromtext(vec_totext(t1.v))) as b,
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vec_distance_euclidean(t1.v, vec_fromtext(vec_totext(t1.v))) < 0.000001 as c
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from t1;
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id a b c
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1 [0.418708,0.809902,0.823193,0.598179,0.0332549] [0.418708,0.809902,0.823193,0.598179,0.0332549] 1
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2 [0.687774,0.789588,0.496138,0.57487,0.917617] [0.687774,0.789588,0.496138,0.57487,0.917617] 1
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3 [0.333221,0.962687,0.467263,0.448235,0.475671] [0.333221,0.962687,0.467263,0.448235,0.475671] 1
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4 [0.822185,0.185643,0.683452,0.211072,0.554056] [0.822185,0.185643,0.683452,0.211072,0.554056] 1
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5 [0.437057,0.167281,0.0770977,0.428638,0.241591] [0.437057,0.167281,0.0770977,0.428638,0.241591] 1
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6 [0.76956,0.926895,0.803376,0.0157961,0.589042] [0.76956,0.926895,0.803376,0.0157961,0.589042] 1
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7 [0.493999,0.641957,0.761598,0.94276,0.425865] [0.493999,0.641957,0.761598,0.94276,0.425865] 1
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8 [0.924108,0.275466,0.0543329,0.0731585,0.136344] [0.924108,0.275466,0.0543329,0.0731585,0.136344] 1
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9 [0.186956,0.69666,0.0356002,0.668875,0.84722] [0.186956,0.69666,0.0356002,0.668875,0.84722] 1
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10 [0.415294,0.609278,0.426765,0.988832,0.475556] [0.415294,0.609278,0.426765,0.988832,0.475556] 1
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drop table t1;
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set collation_connection=utf16_general_ci;
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set character_set_results=utf16;
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select hex(vec_fromtext('[1,2,3]'));
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0 0 0 0 8 0 3 F 0 0 0 0 0 0 4 0 0 0 0 0 4 0 4 0
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select vec_totext(x'0000803F0000004000004040FFFFFFFF0000807F000080FF');
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[ 1 , 2 , 3 , N a N , I n f , - I n f ]
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set character_set_results=default;
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select vec_totext(x'0000803F0000004000004040FFFFFFFF0000807F000080FF');
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vec_totext(x'0000803F0000004000004040FFFFFFFF0000807F000080FF')
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[1,2,3,NaN,Inf,-Inf]
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set names utf8mb4;
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create table t1 as select vec_totext(x'55555555') x;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`x` varchar(15) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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select * from t1;
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x
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[1.46602e13]
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drop table t1;
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#
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# MDEV-35212 Server crashes in Item_func_vec_fromtext::val_str upon query from empty table
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#
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select vec_fromtext(NULL);
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vec_fromtext(NULL)
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NULL
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#
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# MDEV-35210 Vector type cannot store values which VEC_FromText produces and VEC_ToText accepts
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#
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select vec_totext(0x77777777);
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vec_totext(0x77777777)
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[5.01922e33]
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select hex(vec_fromtext('[5.01922e33]'));
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hex(vec_fromtext('[5.01922e33]'))
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NULL
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Warnings:
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Warning 1292 Truncated incorrect vector value: '[5.01922e33]'
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#
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# MDEV-35215 ASAN errors in Item_func_vec_fromtext::val_str upon VEC_FROMTEXT with an invalid argument
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#
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create table t (v vector(1));
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insert into t values (vec_fromtext('[0.93]'));
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select vec_fromtext(v) from t;
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vec_fromtext(v)
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NULL
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Warnings:
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Warning 4205 Invalid vector format at offset: 1 for '{\0014n?'. Must be a valid JSON array of numbers.
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drop table t;
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select vec_fromtext(0x00000000);
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vec_fromtext(0x00000000)
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NULL
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Warnings:
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Warning 4036 Character disallowed in JSON in argument 1 to function 'VEC_FromText' at position 1
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#
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# MDEV-35220 Assertion `!item->null_value' failed upon VEC_TOTEXT call
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#
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select vec_totext(`null`) from (values (null),(0x00000000)) x;
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vec_totext(`null`)
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NULL
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[0]
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