# ForUpdateOption

sealed class ForUpdateOption

Clauses that perform a locking read at row-level for SELECT statements.

#### Samples

org.jetbrains.exposed.sql.tests.postgresql.PostgresqlTests.testForUpdateOptionsSyntax

#### Inheritors

ForUpdate
ForShare
LockInShareMode
LockInShareMode
ForUpdateBase
ForUpdateNoWait
ForUpdateWait

## Types

ForUpdate
Link copied to clipboard
data object ForUpdate : ForUpdateOption

Common clause that locks the rows retrieved by a SELECT statement against concurrent updates.

MariaDB
Link copied to clipboard
object MariaDB
MySQL
Link copied to clipboard
object MySQL
Oracle
Link copied to clipboard
object Oracle
PostgreSQL
Link copied to clipboard
object PostgreSQL

## Properties

querySuffix
Link copied to clipboard
open val querySuffix: String