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BitKeeper/etc/gone: auto-union BitKeeper/etc/ignore: auto-union BitKeeper/etc/logging_ok: auto-union BitKeeper/deleted/.del-.my_sys.h.swp~f6a4a7f8dae03f18: Auto merged BitKeeper/etc/config: Auto merged acconfig.h: Auto merged acinclude.m4: Auto merged Docs/manual.texi: Auto merged client/mysqlcheck.c: Auto merged client/mysqlshow.c: Auto merged include/myisam.h: Auto merged include/violite.h: Auto merged isam/pack_isam.c: Auto merged libmysql/libmysql.c: Auto merged libmysqld/lib_sql.cc: Auto merged myisam/Makefile.am: Auto merged myisam/ft_nlq_search.c: Auto merged myisam/mi_open.c: Auto merged myisam/mi_write.c: Auto merged myisam/sort.c: Auto merged mysql-test/mysql-test-run.sh: Auto merged mysql-test/r/fulltext.result: Auto merged mysql-test/r/func_test.result: Auto merged mysql-test/r/isam.result: Auto merged mysql-test/r/rpl_replicate_do.result: Auto merged mysql-test/r/variables.result: Auto merged mysql-test/t/func_test.test: Auto merged mysql-test/t/myisam.test: Auto merged mysql-test/t/rpl_rotate_logs.test: Auto merged mysql-test/t/variables.test: Auto merged mysys/hash.c: Auto merged mysys/tree.c: Auto merged scripts/Makefile.am: Auto merged sql/Makefile.am: Auto merged sql/filesort.cc: Auto merged sql/gen_lex_hash.cc: Auto merged sql/ha_berkeley.cc: Auto merged sql/ha_innodb.cc: Auto merged sql/handler.cc: Auto merged sql/handler.h: Auto merged sql/hash_filo.h: Auto merged sql/hostname.cc: Auto merged sql/item_func.cc: Auto merged sql/item_func.h: Auto merged sql/item_timefunc.cc: Auto merged sql/lex.h: Auto merged sql/lock.cc: Auto merged sql/log.cc: Auto merged sql/log_event.h: Auto merged sql/mini_client.cc: Auto merged sql/opt_range.cc: Auto merged sql/opt_sum.cc: Auto merged sql/repl_failsafe.cc: Auto merged sql/set_var.h: Auto merged sql/slave.h: Auto merged sql/sql_acl.cc: Auto merged sql/sql_analyse.cc: Auto merged sql/sql_cache.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_load.cc: Auto merged sql/sql_rename.cc: Auto merged sql/sql_repl.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_udf.cc: Auto merged sql/share/czech/errmsg.txt: Auto merged sql/share/danish/errmsg.txt: Auto merged sql/share/dutch/errmsg.txt: Auto merged sql/share/english/errmsg.txt: Auto merged sql/share/estonian/errmsg.txt: Auto merged sql/share/french/errmsg.txt: Auto merged sql/share/german/errmsg.txt: Auto merged sql/share/greek/errmsg.txt: Auto merged sql/share/hungarian/errmsg.txt: Auto merged sql/share/italian/errmsg.txt: Auto merged sql/share/japanese/errmsg.txt: Auto merged sql/share/korean/errmsg.txt: Auto merged sql/share/norwegian/errmsg.txt: Auto merged sql/table.h: Auto merged sql/unireg.cc: Auto merged sql-bench/server-cfg.sh: Auto merged sql/share/norwegian-ny/errmsg.txt: Auto merged sql/share/polish/errmsg.txt: Auto merged sql/share/portuguese/errmsg.txt: Auto merged sql/share/romanian/errmsg.txt: Auto merged sql/share/russian/errmsg.txt: Auto merged sql/share/slovak/errmsg.txt: Auto merged sql/share/spanish/errmsg.txt: Auto merged sql/share/swedish/errmsg.txt: Auto merged sql/share/ukrainian/errmsg.txt: Auto merged sql/ha_myisam.cc: Merge with 4.0 Removed some commented code sql/sql_db.cc: Merge with 4.0 Optimized the logging of the drop db call a bit sql/sql_update.cc: Added comment
217 lines
7.8 KiB
Text
217 lines
7.8 KiB
Text
drop table if exists t1,t2,t3;
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CREATE TABLE t1 (a VARCHAR(200), b TEXT, FULLTEXT (a,b));
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INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
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('Full-text indexes', 'are called collections'),
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('Only MyISAM tables','support collections'),
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('Function MATCH ... AGAINST()','is used to do a search'),
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('Full-text search in MySQL', 'implements vector space model');
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select * from t1 where MATCH(a,b) AGAINST ("collections");
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a b
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Only MyISAM tables support collections
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Full-text indexes are called collections
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select * from t1 where MATCH(a,b) AGAINST ("indexes");
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a b
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Full-text indexes are called collections
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select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
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a b
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Full-text indexes are called collections
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Only MyISAM tables support collections
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select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");
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a b
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Only MyISAM tables support collections
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Full-text indexes are called collections
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Full-text indexes are called collections
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select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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select * from t1 where MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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Full-text indexes are called collections
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Only MyISAM tables support collections
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select * from t1 where MATCH(a,b) AGAINST("support +collections" IN BOOLEAN MODE);
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a b
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Full-text indexes are called collections
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Only MyISAM tables support collections
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select * from t1 where MATCH(a,b) AGAINST("sear*" IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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Function MATCH ... AGAINST() is used to do a search
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Full-text search in MySQL implements vector space model
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select * from t1 where MATCH(a,b) AGAINST("+support +collections" IN BOOLEAN MODE);
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a b
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Only MyISAM tables support collections
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select * from t1 where MATCH(a,b) AGAINST("+search" IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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Function MATCH ... AGAINST() is used to do a search
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Full-text search in MySQL implements vector space model
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select * from t1 where MATCH(a,b) AGAINST("+search +(support vector)" IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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Full-text search in MySQL implements vector space model
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select * from t1 where MATCH(a,b) AGAINST("+search -(support vector)" IN BOOLEAN MODE);
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a b
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Function MATCH ... AGAINST() is used to do a search
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select *, MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE) as x from t1;
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a b x
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MySQL has now support for full-text search 1
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Full-text indexes are called collections 1
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Only MyISAM tables support collections 2
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Function MATCH ... AGAINST() is used to do a search 0
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Full-text search in MySQL implements vector space model 0
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select *, MATCH(a,b) AGAINST("collections support" IN BOOLEAN MODE) as x from t1;
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a b x
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MySQL has now support for full-text search 1
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Full-text indexes are called collections 1
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Only MyISAM tables support collections 2
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Function MATCH ... AGAINST() is used to do a search 0
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Full-text search in MySQL implements vector space model 0
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select * from t1 where MATCH a,b AGAINST ("+call* +coll*" IN BOOLEAN MODE);
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a b
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Full-text indexes are called collections
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select * from t1 where MATCH a,b AGAINST ('"support now"' IN BOOLEAN MODE);
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a b
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select * from t1 where MATCH a,b AGAINST ('"Now sUPPort"' IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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select * from t1 where MATCH a,b AGAINST ('"text search" "now support"' IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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Full-text search in MySQL implements vector space model
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select * from t1 where MATCH a,b AGAINST ('"text search" -"now support"' IN BOOLEAN MODE);
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a b
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Full-text search in MySQL implements vector space model
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select * from t1 where MATCH a,b AGAINST ('"text search" +"now support"' IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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select * from t1 where MATCH a,b AGAINST ('"text i"' IN BOOLEAN MODE);
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a b
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Full-text indexes are called collections
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select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
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a b
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Full-text search in MySQL implements vector space model
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select * from t1 where MATCH b AGAINST ("sear*" IN BOOLEAN MODE);
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a b
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MySQL has now support for full-text search
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Function MATCH ... AGAINST() is used to do a search
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delete from t1 where a like "MySQL%";
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update t1 set a='some test foobar' where MATCH a,b AGAINST ('model');
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delete from t1 where MATCH(a,b) AGAINST ("indexes");
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select * from t1;
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a b
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Only MyISAM tables support collections
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Function MATCH ... AGAINST() is used to do a search
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some test foobar implements vector space model
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drop table t1;
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CREATE TABLE t1 (
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id int(11),
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ticket int(11),
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KEY ti (id),
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KEY tit (ticket)
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);
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INSERT INTO t1 VALUES (2,3),(1,2);
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CREATE TABLE t2 (
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ticket int(11),
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inhalt text,
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KEY tig (ticket),
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fulltext index tix (inhalt)
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);
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INSERT INTO t2 VALUES (1,'foo'),(2,'bar'),(3,'foobar');
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select t1.id FROM t2 as ttxt,t1,t1 as ticket2
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WHERE ticket2.id = ttxt.ticket AND t1.id = ticket2.ticket and
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match(ttxt.inhalt) against ('foobar');
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id
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select t1.id FROM t2 as ttxt,t1 INNER JOIN t1 as ticket2 ON
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ticket2.id = ttxt.ticket
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WHERE t1.id = ticket2.ticket and match(ttxt.inhalt) against ('foobar');
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id
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INSERT INTO t1 VALUES (3,3);
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select t1.id FROM t2 as ttxt,t1
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INNER JOIN t1 as ticket2 ON ticket2.id = ttxt.ticket
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WHERE t1.id = ticket2.ticket and
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match(ttxt.inhalt) against ('foobar');
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id
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3
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show keys from t2;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t2 1 tig 1 ticket A NULL NULL NULL YES BTREE
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t2 1 tix 1 inhalt A NULL 1 NULL YES FULLTEXT
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show create table t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`ticket` int(11) default NULL,
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`inhalt` text character set latin1,
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KEY `tig` (`ticket`),
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FULLTEXT KEY `tix` (`inhalt`)
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) TYPE=MyISAM CHARSET=latin1
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select * from t2 where MATCH inhalt AGAINST (NULL);
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ticket inhalt
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select * from t2 where MATCH inhalt AGAINST ('foobar');
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ticket inhalt
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3 foobar
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select * from t2 having MATCH inhalt AGAINST ('foobar');
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ticket inhalt
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3 foobar
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CREATE TABLE t3 (
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ticket int(11),
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inhalt text,
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KEY tig (ticket),
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fulltext index tix (inhalt)
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);
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select * from t2 where MATCH inhalt AGAINST (t2.inhalt);
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Wrong arguments to AGAINST
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select * from t2 where MATCH ticket AGAINST ('foobar');
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Can't find FULLTEXT index matching the column list
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select * from t2,t3 where MATCH (t2.inhalt,t3.inhalt) AGAINST ('foobar');
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Wrong arguments to MATCH
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drop table t1,t2,t3;
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CREATE TABLE t1 (
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id int(11) auto_increment,
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title varchar(100) default '',
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PRIMARY KEY (id),
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KEY ind5 (title),
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FULLTEXT KEY FT1 (title)
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) TYPE=MyISAM;
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insert into t1 (title) values ('this is a test');
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select * from t1 where match title against ('test' in boolean mode);
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id title
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1 this is a test
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update t1 set title='this is A test' where id=1;
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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update t1 set title='this test once revealed a bug' where id=1;
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select * from t1;
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id title
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1 this test once revealed a bug
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update t1 set title=NULL where id=1;
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drop table t1;
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CREATE TABLE t1 (a int(11), b text, FULLTEXT KEY (b)) TYPE=MyISAM;
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insert into t1 values (1,"I wonder why the fulltext index doesnt work?");
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SELECT * from t1 where MATCH (b) AGAINST ('apples');
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a b
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insert into t1 values (2,"fullaaa fullzzz");
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select * from t1 where match b against ('full*' in boolean mode);
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a b
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2 fullaaa fullzzz
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1 I wonder why the fulltext index doesnt work?
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drop table t1;
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CREATE TABLE t1 ( id int(11) NOT NULL auto_increment primary key, mytext text NOT NULL, FULLTEXT KEY mytext (mytext)) TYPE=MyISAM;
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INSERT INTO t1 VALUES (1,'my small mouse'),(2,'la-la-la'),(3,'It is so funny'),(4,'MySQL Tutorial');
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select 8 from t1;
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8
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8
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8
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8
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8
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drop table t1;
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drop table if exists t1;
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create table t1 (a text, fulltext key (a));
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insert into t1 values ('aaaa');
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repair table t1;
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Table Op Msg_type Msg_text
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test.t1 repair status OK
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select * from t1 where match (a) against ('aaaa');
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a
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drop table t1;
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