src/Schema.php
public function merge(Schema $schema) {
        $this->mergeInternal($this->schema, $schema->getSchemaArray(), true, true);
        return $this;
    }
public function merge(Schema $schema) {
        $this->mergeInternal($this->schema, $schema->getSchemaArray(), true, true);
        return $this;
    }
public function merge ( Schema $ schema ) { $ this -> mergeInternal ( $ this -> schema , $ schema -> getSchemaArray ( ) , true , true ) ; return $ this ; }
Merge a schema with this one.

@param Schema $schema A scheme instance. Its parameters will be merged into the current instance.
@return $this
Merge a schema with this one .