mirror of
https://github.com/MariaDB/server.git
synced 2025-10-30 18:36:12 +01:00
119 lines
4.6 KiB
Text
119 lines
4.6 KiB
Text
#
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# mysqldump
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#
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create table t1 (id int auto_increment primary key, v vector(5) not null);
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insert t1 (v) values (Vec_Fromtext('[0.418,0.809,0.823,0.598,0.033]')),
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(Vec_Fromtext('[0.186,0.696,0.035,0.668,0.847]')),
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(Vec_Fromtext('[0.415,0.609,0.426,0.988,0.475]'));
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select id from t1 order by vec_distance_euclidean(v, Vec_FromText('[1,0,0,0,0]')) limit 3;
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id
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1
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3
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2
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/*M!999999\- enable the sandbox mode */
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/*!40101 SET @saved_cs_client = @@character_set_client */;
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/*!40101 SET character_set_client = utf8mb4 */;
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CREATE TABLE `t1` (
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`id` int(11) NOT NULL AUTO_INCREMENT,
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`v` vector(5) NOT NULL,
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PRIMARY KEY (`id`)
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) ENGINE=MyISAM AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci;
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/*!40101 SET character_set_client = @saved_cs_client */;
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set autocommit=0;
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INSERT INTO `t1` VALUES
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(1,0x1904D63EA01A4F3F21B0523F8716193F022B073D),
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(2,0xC9763E3E0E2D323F295C0F3D0C022B3FFED4583F),
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(3,0xE17AD43E6DE71B3FAC1CDA3E91ED7C3F3333F33E);
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commit;
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<?xml version="1.0"?>
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<mysqldump xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<database name="test">
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<table_structure name="t1">
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<field Field="id" Type="int(11)" Null="NO" Key="PRI" Extra="auto_increment" Comment="" />
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<field Field="v" Type="vector(5)" Null="NO" Key="" Extra="" Comment="" />
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<key Table="t1" Non_unique="0" Key_name="PRIMARY" Seq_in_index="1" Column_name="id" Collation="A" Cardinality="3" Null="" Index_type="BTREE" Comment="" Index_comment="" Ignored="NO" />
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<options Name="t1" Engine="MyISAM" Version="10" Row_format="Dynamic" Rows="3" Avg_row_length="32" Data_length="96" Max_data_length="281474976710655" Index_length="2048" Data_free="0" Auto_increment="4" Create_time="YYYY-MM-DD hh:mm:ss" Update_time="YYYY-MM-DD hh:mm:ss" Collation="utf8mb4_uca1400_ai_ci" Create_options="" Comment="" Max_index_length="288230376151710720" Temporary="N" />
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</table_structure>
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<table_data name="t1">
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<row>
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<field name="id">1</field>
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<field name="v" xsi:type="xs:hexBinary">1904D63EA01A4F3F21B0523F8716193F022B073D</field>
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</row>
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<row>
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<field name="id">2</field>
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<field name="v" xsi:type="xs:hexBinary">C9763E3E0E2D323F295C0F3D0C022B3FFED4583F</field>
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</row>
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<row>
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<field name="id">3</field>
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<field name="v" xsi:type="xs:hexBinary">E17AD43E6DE71B3FAC1CDA3E91ED7C3F3333F33E</field>
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</row>
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</table_data>
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</database>
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</mysqldump>
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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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`id` int(11) NOT NULL AUTO_INCREMENT,
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`v` vector(5) NOT NULL,
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PRIMARY KEY (`id`)
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) ENGINE=MyISAM AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
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select id, Vec_ToText(v) from t1;
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id Vec_ToText(v)
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1 [0.418,0.809,0.823,0.598,0.033]
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2 [0.186,0.696,0.035,0.668,0.847]
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3 [0.415,0.609,0.426,0.988,0.475]
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select id from t1 order by vec_distance_euclidean(v, Vec_FromText('[1,0,0,0,0]')) limit 3;
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id
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1
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3
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2
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drop table t1;
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#
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# MDEV-35044 ALTER on a table with vector index attempts to bypass unsupported locking limitation, server crashes in THD::free_tmp_table_share
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#
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create table t (a int primary key, v vector(10) not null, vector index(v));
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alter table t modify a int auto_increment, lock=none;
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ERROR 0A000: LOCK=NONE is not supported. Reason: CHANGE COLUMN ... AUTO_INCREMENT. Try LOCK=SHARED
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drop table t;
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#
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# MDEV-35061 XA PREPARE "not supported by the engine" from storage engine mhnsw, memory leak
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#
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create table t1 (v vector(1) not null, vector(v)) engine=innodb;
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insert into t1 select 0x00000000 as v from seq_1_to_1000;
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connect con1,localhost,root;
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alter table t1 add column x int, algorithm=copy;;
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connection default;
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xa start 'x';
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select * from non_existing_table;
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ERROR 42S02: Table 'test.non_existing_table' doesn't exist
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delete from t1;
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xa end 'x';
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xa prepare 'x';
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ERROR HY000: Got error 138 "Unsupported extension used for table" from storage engine mhnsw
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connection con1;
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disconnect con1;
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connection default;
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drop table t1;
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#
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# MDEV-35223 REPAIR does not fix MyISAM table with vector key after crash recovery
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#
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call mtr.add_suppression('t#i#00'' is marked as crashed and should be repaired');
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create table t (v vector(1) not null, vector(v)) engine=myisam;
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insert into t (v) values (0x30303030),(0x31313131);
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# restart
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check table t extended;
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Table Op Msg_type Msg_text
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test.t check warning 1 client is using or hasn't closed the table properly
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test.t check Error Table './test/t#i#00' is marked as crashed and should be repaired
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test.t check status Operation failed
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repair table t extended;
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Table Op Msg_type Msg_text
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test.t repair note Table does not support optimize, doing recreate + analyze instead
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test.t repair status OK
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check table t extended;
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Table Op Msg_type Msg_text
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test.t check status OK
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select v from t order by vec_distance_euclidean(0x323233232,v) limit 1;
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v
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0000
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drop table t;
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