<?php
namespace SQLTools\Command;
class AddForeignKey extends AlterTable {
private $localField;
private $foreignTable;
private $foreignField;
private $fkName;
public function __construct($table, $localField, $foreignTable, $foreignField, $fkName = "")
{
$this->table = $table;
$this->localField = $localField;
$this->foreignTable = $foreignTable;
$this->foreignField = $foreignField;
$this->fkName = ($fkName != "") ? $fkName : "fk_" . $foreignTable . "_" . $foreignField . '_idx';
}
protected function getWhatToAdd()
{
return "CONSTRAINT " . $this->fkName . "
FOREIGN KEY ({$this->localField})
REFERENCES " . $this->foreignTable . "({$this->foreignField})";
}
}
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