UnresolvedHaving Unary Logical Operator¶

UnresolvedHaving is a unary logical operator.

Creating Instance¶

UnresolvedHaving takes the following to be created:

• Having Expression
• Child LogicalPlan

UnresolvedHaving is created when:

• AstBuilder is requested to parse HAVING clause in a SQL query

Never Resolved¶

resolved: Boolean

resolved is part of the LogicalPlan abstraction.

resolved is false.

Logical Analysis¶

UnresolvedHaving cannot be resolved and is supposed to be handled at analysis using the following rules:

• ExtractWindowExpressions
• ResolveAggregateFunctions
• ResolveGroupingAnalytics

Catalyst DSL¶

UnresolvedHaving can be created using the having operator in Catalyst DSL.