system/classes/Db_MySQL.php
protected function calculateCREATE()
    {
        $this->query .= 'CREATE TABLE IF NOT EXISTS ';
        $this->query .= $this->create.' (';
        $this->queryStringFromArray('fields', '', ', ', false, true);
        $this->primaryKeyStringFromArray('primaryKeys', ', CONSTRAINT ');
        $this->foreignKeyStringFromArray('foreignKeys', ', CONSTRAINT ');
        $this->indexStringFromArray('indexes', ', INDEX ');
        $this->query .= ')';
    }
protected function calculateCREATE()
    {
        $this->query .= 'CREATE TABLE IF NOT EXISTS ';
        $this->query .= $this->create.' (';
        $this->queryStringFromArray('fields', '', ', ', false, true);
        $this->primaryKeyStringFromArray('primaryKeys', ', CONSTRAINT ');
        $this->foreignKeyStringFromArray('foreignKeys', ', CONSTRAINT ');
        $this->indexStringFromArray('indexes', ', INDEX ');
        $this->query .= ')';
    }
Create a CREATE statement