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api-docs / org.ktorm.expression / DeleteExpression

DeleteExpression

data class DeleteExpression : SqlExpression (source code)

Delete expression, represents the delete statement in SQL.

Constructors

Name	Summary
<init>	`DeleteExpression( table: TableExpression, where: ScalarExpression<Boolean>?, isLeafNode: Boolean = false, extraProperties: Map<String, Any> = emptyMap())` Delete expression, represents the `delete` statement in SQL.

Properties

Name	Summary
extraProperties	`val extraProperties: Map<String, Any>` Extra properties of this expression, maybe useful in SqlFormatter to generate some special SQLs.
isLeafNode	`val isLeafNode: Boolean` Check if this expression is a leaf node in expression trees.
table	`val table: TableExpression` the table to be deleted.
where	`val where: ScalarExpression<Boolean>?` the condition.

Extension Functions

Name	Summary
eq	`infix fun <T : Any> T.eq( expr: ColumnDeclaring<T> ): BinaryExpression<Boolean>` Equal operator, translated to `=` in SQL.
neq	`infix fun <T : Any> T.neq( expr: ColumnDeclaring<T> ): BinaryExpression<Boolean>` Not-equal operator, translated to `<>` in SQL.
notEq	`infix fun <T : Any> T.notEq( expr: ColumnDeclaring<T> ): BinaryExpression<Boolean>` Not-equal operator, translated to `<>` in SQL.