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 QueryRef
Interface to access theQueryInfo
from 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 QueryInfo
getQueryInfo()
Retrieve the attached query information of the tuple expression
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