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())

the joining condition.

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.

the left table.

the right table.

the expression's type.