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<?php
/**
* @class JoinQueryComponent Join query.
* Represents a join query.
* @author Curverider Ltd
* @see Query
*/
class JoinQueryComponent extends QueryComponent
{
/**
* Construct a join query.
* @param string $table Table one to join...
* @param string $field Field 1 with...
* @param string $table2 Table 2 ...
* @param string $field2 Field...
* @param string $operator Using this operator
*/
function __construct($table1, $field1, $table2, $field2, $operator = "=")
{
global $CONFIG;
$this->table1 = $CONFIG->dbprefix . sanitise_string($table1);
$this->field1 = sanitise_string($field1);
$this->table2 = $CONFIG->dbprefix . sanitise_string($table2);
$this->field2 = sanitise_string($field2);
$this->operator = sanitise_string($operator);
}
function __toString()
{
return "join {$this->table2} on {$this->$table}.{$this->$field} {$this->$operator} {$this->$table2}.{$this->$field2}";
}
}
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