string parameterize(array $values) Create query parameter place-holders

PostgresGrammar class PostgresGrammar extends

string getValue(Expression $expression)

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

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

bool supportsSavepoints() Determine if the grammar supports savepoints

string compileInsert(Builder $query, array $values)

string compileSavepointRollBack(string $name) Compile the SQL statement

string compileDelete(Builder $query)

string getValue(Expression $expression)