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use information_schema to test if mysql table exists

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Max Pozdeev 2022-01-02 19:58:12 +03:00
parent 99a091aea1
commit 1fb8c953e7
1 changed files with 6 additions and 4 deletions
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10
src/includes/class.db.mysql.php
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@ -60,6 +60,7 @@ class DatabaseResult_Mysql
class Database_Mysql
{
var $dbh;
var $dbname;
var $error_str;
function __construct()
@ -72,6 +73,7 @@ class Database_Mysql
{
throw new Exception(mysqli_connect_error());
}
$this->dbname = $db;
if( @!mysqli_select_db($this->dbh, $db) )
{
throw new Exception($this->error());
@ -163,10 +165,10 @@ class Database_Mysql
function table_exists($table)
{
$table = addslashes($table);
$q = mysqli_query($this->dbh, "SELECT 1 FROM `$table` WHERE 1=0");
if($q === false) return false;
else return true;
$r = $this->sq("SELECT 1 FROM information_schema.tables WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ?",
array($this->dbname, $table) );
if ($r === false || $r === null) return false;
return true;
}
}