org.apache.druid.sql.calcite.expression

Interface DruidExpression.VirtualColumnCreator

All Known Implementing Classes:

DruidExpression.ExpressionVirtualColumnCreator

Enclosing class:

DruidExpression

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface DruidExpression.VirtualColumnCreator

Used by a DruidExpression to translate itself into a VirtualColumn to add to a native query when referenced by a projection, filter, aggregator, etc.

Method Summary

Modifier and Type	Method and Description
VirtualColumn	create(String name, ColumnType outputType, String expression, ExprMacroTable macroTable)

Method Detail

create

VirtualColumn create(String name,
                     ColumnType outputType,
                     String expression,
                     ExprMacroTable macroTable)