diff options
Diffstat (limited to 'Bugzilla/DB.pm')
-rw-r--r-- | Bugzilla/DB.pm | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Bugzilla/DB.pm b/Bugzilla/DB.pm index 095063f02..8d1cf32a0 100644 --- a/Bugzilla/DB.pm +++ b/Bugzilla/DB.pm @@ -437,7 +437,7 @@ sub sql_fulltext_search { @words = map("LOWER($column) LIKE $_", @words); # search for occurrences of all specified words in the column - return "CASE WHEN (" . join(" AND ", @words) . ") THEN 1 ELSE 0 END"; + return join (" AND ", @words), "CASE WHEN (" . join(" AND ", @words) . ") THEN 1 ELSE 0 END"; } ##################################################################### @@ -2077,8 +2077,16 @@ Note that both parameters need to be sql-quoted. =item B<Description> -Returns SQL syntax for performing a full text search for specified text -on a given column. +Returns one or two SQL expressions for performing a full text search for +specified text on a given column. + +If one value is returned, it is a numeric expression that indicates +a match with a positive value and a non-match with zero. In this case, +the DB must support casting numeric expresions to booleans. + +If two values are returned, then the first value is a boolean expression +that indicates the presence of a match, and the second value is a numeric +expression that can be used for ranking. There is a ANSI SQL version of this method implemented using LIKE operator, but it's not a real full text search. DB specific modules should override |