MySQL搜索查询不起作用

Question

I am trying to build a MySQL FULL TEXT based search engine, i am not getting any results for search made. I am working on MySQL Version is 5.5.24 which support FULL TEXT for Innodb. so i have kept database type to Innodb for speed purpose, also my collation is utf8mb4_unicode_ci.

i have set field "title" type to TEXT and altered table "test_table" like.

ALTER TABLE `test_table` ADD FULLTEXT (`title`)

I am writing query like this but no result were displayed.

    require_once('../global/includes/connect.php');
$db = mysql_select_db($database,$connection) or trigger_error("SQL", E_USER_ERROR);

$sqlquery = mysql_query("SELECT title FROM test_table WHERE MATCH(title) AGAINST ('%keyword%')");
while($row=mysql_fetch_assoc($sqlquery)){
echo $row['title'];
echo"</br>";
}

for query like this

    $sqlquery = mysql_query("SELECT title FROM test_table ");
while($row=mysql_fetch_assoc($sqlquery)){
echo $row['title'];
echo"</br>";

results are displayed.

I tried changing database to MyISAM, but same problem.

Please suggest what I am doing wrong here.

Thanks.

Answer 1

Try using the following:

require_once('../global/includes/connect.php');
$db = mysql_select_db($database,$connection) or trigger_error("SQL", E_USER_ERROR);

$sqlquery = mysql_query("SELECT MATCH(title) FROM test_table WHERE MATCH(title) AGAINST ('security')") OR die(mysql_error());
while($row=mysql_fetch_assoc($sqlquery)){
echo $row['title'];
echo"</br>";
}

Answer 2

got it, modified query

$sqlquery = mysql_query("SELECT title FROM test_table WHERE MATCH (title) AGAINST ('keyword' IN BOOLEAN MODE) ")or die (mysql_error());

Hope this helps others too.

Answer 3

You were missing $ before keyword .

$sqlquery = mysql_query("SELECT title FROM test_table 
                         WHERE MATCH(title) AGAINST ('%$keyword%')"); 
                                                       ^

Also read this .