AliasAwareQueryOutputOrdering Unary Physical Operators¶

AliasAwareQueryOutputOrdering is an extension of the AliasAwareOutputExpression abstraction for unary physical operators with alias-aware ordering expressions.

AliasAwareQueryOutputOrdering[T <: QueryPlan[T]]

Contract¶

Ordering Expressions¶

orderingExpressions: Seq[SortOrder]

Sort orderings of this unary physical operator

See:

• ProjectExec
• SortAggregateExec

Used when:

• AliasAwareQueryOutputOrdering is requested for the output ordering

Implementations¶

• OrderPreservingUnaryExecNode
• OrderPreservingUnaryNode

Output Data Ordering Requirements¶

outputOrdering: Seq[SortOrder]

outputOrdering...FIXME