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

Builder|

PostgresGrammar class PostgresGrammar extends

string compileInsertGetId(Builder $query, array $values, string

$this addSelect(array|mixed $column) Add a new select column to the query

$this addNestedWhereQuery(Builder|

Builder lockForUpdate()

bool insert(array $values) Insert a new record into the database.

$this where(string|array|Closure $column, string $operator = null, mixed $value = null, string $boolean

mixed getValue() Get the value of the expression.