- toString
- addTrait
- dumpPlan
Dumps a plan as a string.
- dumpType
- getFieldTypeList
Returns a list of the types of the fields in a given struct type. The list is
immutable.
- createExistsPlan
- createSingleValueAggRel
Creates an AggregateRel which removes all duplicates from the result of an
underlying rel.
- equal
Returns whether two types are equal using
#areRowTypesEqual(RelDataType,RelDataType,boolean). Both t
- getVariablesUsed
Returns a set of variables used by a relational expression or its descendants.
The set may contain d
- splitJoinCondition
Splits out the equi-join components of a join condition, and returns what's
left. For example, given
- addJoinKey
- adjustKeys
Adjusts key values in a list by some fixed amount.