本文整理匯總了PHP中Illuminate\Database\Schema\Blueprint::dropForeign方法的典型用法代碼示例。如果您正苦於以下問題：PHP Blueprint::dropForeign方法的具體用法？PHP Blueprint::dropForeign怎麽用？PHP Blueprint::dropForeign使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Illuminate\Database\Schema\Blueprint的用法示例。
在下文中一共展示了Blueprint::dropForeign方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: testDropForeign
public function testDropForeign()
{
$blueprint = new Blueprint('users');
$blueprint->dropForeign('foo');
$statements = $blueprint->toSql($this->getGrammar());
$this->assertEquals(1, count($statements));
$this->assertEquals('alter table "users" drop constraint foo', $statements[0]);
}示例2: dropColumn
/**
* Excluir campo.
*
* @param string|array $columns
*
* @return \Illuminate\Support\Fluent
*/
public function dropColumn($columns)
{
$columns = is_array($columns) ? $columns : (array) func_get_args();
// Verificar se deve excluir constrain dos campos lookups antes
foreach ($columns as $column) {
if (ForeignKey::isAssociation($column)) {
parent::dropForeign(ForeignKey::makeName($this->table, $column));
}
}
return parent::dropColumn($columns);
}示例3: dropKey
/**
* Drop a foreign key in the given table.
*
* @param \Illuminate\Database\Schema\Blueprint $table
* @param \Stidges\LaravelFkMigration\ForeignKey $key
* @return void
*/
protected function dropKey($table, ForeignKey $key)
{
$column = is_array($key->column) ? $key->column : [$key->column];
$table->dropForeign($column);
}