public class RexNodeTranslator extends Object
Constructor and Description |
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RexNodeTranslator() |
Modifier and Type | Method and Description |
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static scala.Tuple2<Expression,scala.collection.immutable.List<NamedExpression>> |
extractAggregations(Expression exp,
TableEnvironment tableEnv)
Extracts all aggregation expressions (zero, one, or more) from an expression,
and replaces the original aggregation expressions by field accesses expressions.
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public static scala.Tuple2<Expression,scala.collection.immutable.List<NamedExpression>> extractAggregations(Expression exp, TableEnvironment tableEnv)
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