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query expansion for fulltext search

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myisam/ft_boolean_search.c:
  assert.h and queues.h moved to ftdefs.h
myisam/ft_parser.c:
  ft_parse() with alloc
myisam/ft_static.c:
  api changes, ft_max_word_len_for_sort variable removed
myisam/ft_update.c:
  ft_parse() with alloc
myisam/ftdefs.h:
  variable ft_max_word_len_for_sort -> define FT_MAX_WORD_LEN_FOR_SORT
  api changes, ft_max_word_len_for_sort variable removed
  ft_parse() with alloc
myisam/mi_check.c:
  variable ft_max_word_len_for_sort -> define FT_MAX_WORD_LEN_FOR_SORT
myisam/myisamchk.c:
  ft_max_word_len_for_sort removed
mysql-test/r/fulltext.result:
  query expansion tests
mysql-test/r/fulltext_var.result:
  ft_max_word_len_for_sort removed
mysql-test/t/fulltext.test:
  query expansion tests
sql/ha_myisam.h:
  ft api changes for query expansion
sql/mysqld.cc:
  ft_max_word_len_for_sort removed
  ft_query_expansion_limit added
sql/set_var.cc:
  ft_max_word_len_for_sort removed
  ft_query_expansion_limit added
sql/sql_yacc.yy:
  EXPANSION added to keyword: rule
This commit is contained in:
unknown
2003-10-23 15:21:06 +02:00
parent fd85cc84e4
commit aa98f58bae
16 changed files with 112 additions and 61 deletions
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11
mysql-test/r/fulltext.result
View File

@ -18,11 +18,20 @@ Full-text indexes are called collections
Only MyISAM tables support collections
select * from t1 where MATCH(a,b) AGAINST ("only");
a b
select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1 where MATCH(a,b) AGAINST ("collections" WITH QUERY EXPANSION);
a b
Only MyISAM tables support collections
Full-text indexes are called collections
MySQL has now support for full-text search
select * from t1 where MATCH(a,b) AGAINST ("indexes" WITH QUERY EXPANSION);
a b
Full-text indexes are called collections
Only MyISAM tables support collections
select * from t1 where MATCH(a,b) AGAINST ("indexes collections" WITH QUERY EXPANSION);
a b
Full-text indexes are called collections
Only MyISAM tables support collections
MySQL has now support for full-text search
explain select * from t1 where MATCH(a,b) AGAINST ("collections");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 fulltext a a 0 1 Using where

2
mysql-test/r/fulltext_var.result
View File

@ -3,5 +3,5 @@ Variable_name Value
ft_boolean_syntax + -><()~*:""&|
ft_min_word_len 4
ft_max_word_len 254
ft_max_word_len_for_sort 20
ft_query_expansion_limit 20
ft_stopword_file (built-in)

7
mysql-test/t/fulltext.test
View File

@ -20,9 +20,11 @@ select * from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
select * from t1 where MATCH(a,b) AGAINST ("only");
# UNION of fulltext's
select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");
# query expansion
select * from t1 where MATCH(a,b) AGAINST ("collections" WITH QUERY EXPANSION);
select * from t1 where MATCH(a,b) AGAINST ("indexes" WITH QUERY EXPANSION);
select * from t1 where MATCH(a,b) AGAINST ("indexes collections" WITH QUERY EXPANSION);
# add_ft_keys() tests
@ -66,7 +68,6 @@ select * from t1 where MATCH a AGAINST ("search" IN BOOLEAN MODE);
select * from t1 where MATCH b AGAINST ("sear*" IN BOOLEAN MODE);
# UNION of fulltext's
select * from t1 where MATCH(a,b) AGAINST ("collections") UNION ALL select * from t1 where MATCH(a,b) AGAINST ("indexes");
#update/delete with fulltext index