Interface QueryRef
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- All Known Subinterfaces:
ExclusiveTupleExpr,ExclusiveTupleExprRenderer,FedXTupleExpr,StatementTupleExpr
- All Known Implementing Classes:
CheckStatementPattern,EmptyNJoin,EmptyNUnion,ExclusiveArbitraryLengthPath,ExclusiveGroup,ExclusiveStatement,FederatedDescribeOperator,FedXStatementPattern,NJoin,NTuple,NUnion,PassThroughTupleExpr,SingleSourceQuery,StatementSourcePattern
public interface QueryRefInterface to access theQueryInfofrom all FedX Algebra nodes. All FedX Algebra nodes should implement this interface.- Author:
- Andreas Schwarte
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description QueryInfogetQueryInfo()Retrieve the attached query information of the tuple expression
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