Package org.apache.calcite.materialize

Class LatticeSuggester.Query

java.lang.Object

org.apache.calcite.materialize.LatticeSuggester.Query

Enclosing class:

LatticeSuggester

private static class LatticeSuggester.Query
extends java.lang.Object

Holds state for a particular query graph. In particular table and step references count from zero each query.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) LatticeSpace	space
(package private) int	stepRefCount
(package private) java.util.Map<java.lang.Integer,LatticeSuggester.TableRef>	tableRefs

Constructor Summary

Constructors

Constructor	Description
Query(LatticeSpace space)

Method Summary

Modifier and Type	Method	Description
(package private) LatticeSuggester.StepRef	stepRef(LatticeSuggester.TableRef source, LatticeSuggester.TableRef target, java.util.List<IntPair> keys)
(package private) LatticeSuggester.TableRef	tableRef(TableScan scan)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

space

final LatticeSpace space

tableRefs

final java.util.Map<java.lang.Integer,LatticeSuggester.TableRef> tableRefs

stepRefCount

int stepRefCount

Constructor Detail

Query

Query(LatticeSpace space)

Method Detail

tableRef

LatticeSuggester.TableRef tableRef(TableScan scan)

stepRef

LatticeSuggester.StepRef stepRef(LatticeSuggester.TableRef source,
                                 LatticeSuggester.TableRef target,
                                 java.util.List<IntPair> keys)