string compilePrimary(Blueprint $blueprint,

string columnize(array $columns) Convert an array of column names into

string compileDropUnique(Blueprint $blueprint,

bool isExpression(mixed $value) Determine if the given value is a raw expression

string compileTableExists() Compile the query to determine if a table exists

string compileRename(Blueprint $blueprint,

string getValue(Expression $expression)

string compileAdd(Blueprint $blueprint,

string getDateFormat() Get the format for database stored dates.

string compileColumnExists() Compile the query to determine the list of