mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 13:32:33 +01:00
130 lines
4.4 KiB
Text
130 lines
4.4 KiB
Text
drop table if exists t1,t2,t3;
|
|
CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
|
|
INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
|
|
('Full-text indexes', 'are called collections'),
|
|
('Only MyISAM tables','support collections'),
|
|
('Function MATCH ... AGAINST()','is used to do a search'),
|
|
('Full-text search in MySQL', 'implements vector space model');
|
|
select * from t1 where MATCH(a,b) AGAINST ("collections");
|
|
a b
|
|
Only MyISAM tables support collections
|
|
Full-text indexes are called collections
|
|
select * from t1 where MATCH(a,b) AGAINST ("indexes");
|
|
a b
|
|
Full-text indexes are called collections
|
|
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
|
|
a b
|
|
Full-text indexes are called collections
|
|
Only MyISAM tables support collections
|
|
select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
|
|
a b
|
|
MySQL has now support for full-text search
|
|
select * from t1 where MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE);
|
|
a b
|
|
MySQL has now support for full-text search
|
|
Full-text indexes are called collections
|
|
Only MyISAM tables support collections
|
|
select * from t1 where MATCH(a,b) AGAINST("support +collections" IN BOOLEAN MODE);
|
|
a b
|
|
Full-text indexes are called collections
|
|
Only MyISAM tables support collections
|
|
select * from t1 where MATCH(a,b) AGAINST("sear*" IN BOOLEAN MODE);
|
|
a b
|
|
MySQL has now support for full-text search
|
|
Function MATCH ... AGAINST() is used to do a search
|
|
Full-text search in MySQL implements vector space model
|
|
select * from t1 where MATCH(a,b) AGAINST("+support +collections" IN BOOLEAN MODE);
|
|
a b
|
|
Only MyISAM tables support collections
|
|
select * from t1 where MATCH(a,b) AGAINST("+search" IN BOOLEAN MODE);
|
|
a b
|
|
MySQL has now support for full-text search
|
|
Function MATCH ... AGAINST() is used to do a search
|
|
Full-text search in MySQL implements vector space model
|
|
select * from t1 where MATCH(a,b) AGAINST("+search +(support vector)" IN BOOLEAN MODE);
|
|
a b
|
|
MySQL has now support for full-text search
|
|
Full-text search in MySQL implements vector space model
|
|
select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);
|
|
a b
|
|
Function MATCH ... AGAINST() is used to do a search
|
|
delete from t1 where a like "MySQL%";
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
id int(11),
|
|
ticket int(11),
|
|
KEY ti (id),
|
|
KEY tit (ticket)
|
|
);
|
|
INSERT INTO t1 VALUES (2,3),(1,2);
|
|
CREATE TABLE t2 (
|
|
ticket int(11),
|
|
inhalt text,
|
|
KEY tig (ticket),
|
|
fulltext index tix (inhalt)
|
|
);
|
|
INSERT INTO t2 VALUES (1,'foo'),(2,'bar'),(3,'foobar');
|
|
select t1.id FROM t2 as ttxt,t1,t1 as ticket2
|
|
WHERE ticket2.id = ttxt.ticket AND t1.id = ticket2.ticket and
|
|
match(ttxt.inhalt) against ('foobar');
|
|
id
|
|
select t1.id FROM t2 as ttxt,t1 INNER JOIN t1 as ticket2 ON
|
|
ticket2.id = ttxt.ticket
|
|
WHERE t1.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');
|
|
id
|
|
INSERT INTO t1 VALUES (3,3);
|
|
select t1.id FROM t2 as ttxt,t1
|
|
INNER JOIN t1 as ticket2 ON ticket2.id = ttxt.ticket
|
|
WHERE t1.id = ticket2.ticket and
|
|
match(ttxt.inhalt) against ('foobar');
|
|
id
|
|
3
|
|
show keys from t2;
|
|
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Comment
|
|
t2 1 tig 1 ticket A NULL NULL NULL
|
|
t2 1 tix 1 inhalt A NULL 1 NULL FULLTEXT
|
|
show create table t2;
|
|
Table Create Table
|
|
t2 CREATE TABLE `t2` (
|
|
`ticket` int(11) default NULL,
|
|
`inhalt` text,
|
|
KEY `tig` (`ticket`),
|
|
FULLTEXT KEY `tix` (`inhalt`)
|
|
) TYPE=MyISAM
|
|
select * from t2 where MATCH inhalt AGAINST (NULL);
|
|
ticket inhalt
|
|
select * from t2 where MATCH inhalt AGAINST ('foobar');
|
|
ticket inhalt
|
|
3 foobar
|
|
select * from t2 having MATCH inhalt AGAINST ('foobar');
|
|
ticket inhalt
|
|
3 foobar
|
|
CREATE TABLE t3 (
|
|
ticket int(11),
|
|
inhalt text,
|
|
KEY tig (ticket),
|
|
fulltext index tix (inhalt)
|
|
);
|
|
select * from t2 where MATCH inhalt AGAINST (t2.inhalt);
|
|
Wrong arguments to AGAINST
|
|
select * from t2 where MATCH ticket AGAINST ('foobar');
|
|
Can't find FULLTEXT index matching the column list
|
|
select * from t2,t3 where MATCH (t2.inhalt,t3.inhalt) AGAINST ('foobar');
|
|
Wrong arguments to MATCH
|
|
drop table t1,t2,t3;
|
|
CREATE TABLE t1 (
|
|
id int(11) auto_increment,
|
|
title varchar(100) default '',
|
|
PRIMARY KEY (id),
|
|
KEY ind5 (title),
|
|
FULLTEXT KEY FT1 (title)
|
|
) TYPE=MyISAM;
|
|
insert into t1 (title) values ('this is a test');
|
|
update t1 set title='this is A test' where id=1;
|
|
check table t1;
|
|
Table Op Msg_type Msg_text
|
|
test.t1 check status OK
|
|
update t1 set title='this test once revealed a bug' where id=1;
|
|
select * from t1;
|
|
id title
|
|
1 this test once revealed a bug
|