ktorm-core/org.ktorm.expression/JoinExpression

JoinExpression

data class JoinExpression(val type: JoinType, val left: QuerySourceExpression, val right: QuerySourceExpression, val condition: ScalarExpression<Boolean>? = null, val isLeafNode: Boolean = false, val extraProperties: Map<String, Any> = emptyMap()) : QuerySourceExpression(source)

Join expression.

Constructors

constructor(type: JoinType, left: QuerySourceExpression, right: QuerySourceExpression, condition: ScalarExpression<Boolean>? = null, isLeafNode: Boolean = false, extraProperties: Map<String, Any> = emptyMap())

Properties

val condition: ScalarExpression<Boolean>? = null

the joining condition.

extraProperties

open override val extraProperties: Map<String, Any>

Extra properties of this expression, maybe useful in SqlFormatter to generate some special SQLs.

open override val isLeafNode: Boolean = false

Check if this expression is a leaf node in expression trees.

val left: QuerySourceExpression

the left table.

val right: QuerySourceExpression

the right table.

val type: JoinType

the expression's type.