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

string parameter(mixed $value) Get the appropriate query parameter place-holder

$this setTablePrefix(string $prefix) Set the grammar's table prefix.

bool each(callable $callback, int $count = 1000) Execute a callback over

Collection pluck(string $column, string|null $key = null)

mixed aggregate(string $function, array $columns = array('*')) Execute

Builder|

$this havingRaw(string $sql, array $bindings = array(), string $boolean = 'and')

PostgresGrammar class PostgresGrammar extends

string compileDelete(Builder $query)