- getRexBuilder
Returns the RexBuilder to use to create RexNode objects.
- convertExpression
Converts an expression from SqlNode to RexNode format.
- getTypeFactory
Returns the type factory.
- getValidator
Returns the validator.
- getGroupCount
If the operator call occurs in an aggregate query, returns the number of columns
in the GROUP BY cla
- getInitializerExpressionFactory
Returns the factory which supplies default values for INSERT, UPDATE, and NEW.
- getSubQueryExpr
Returns the expression used to access a given IN or EXISTS SqlSelect.