OpUnionTableSQL (D2RQ)

Field Summary
- Fields inherited from class com.hp.hpl.jena.sparql.algebra.op.OpExt
  tag

Constructors
Constructor and Description
`OpUnionTableSQL(Collection<OpTableSQL> tableOps)`
`OpUnionTableSQL(Collection<OpTableSQL> tableOps, Op effectiveOp)`

Methods
Modifier and Type	Method and Description
`static Op`	`create(Collection<NodeRelation> tables)` Creates a new instance from a collection of `NodeRelation`s, or a simpler equivalent Op if optimizations are possible.
`Op`	`effectiveOp()`
`boolean`	`equalTo(Op other, NodeIsomorphismMap labelMap)`
`QueryIterator`	`eval(QueryIterator input, ExecutionContext execCxt)`
`int`	`hashCode()`
`void`	`outputArgs(org.openjena.atlas.io.IndentedWriter out, SerializationContext sCxt)`

Methods inherited from class com.hp.hpl.jena.sparql.algebra.op.OpExt
getName, output, visit

Methods inherited from class com.hp.hpl.jena.sparql.algebra.op.OpBase
equals, output

Methods inherited from class com.hp.hpl.jena.sparql.util.PrintSerializableBase
toString, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.hp.hpl.jena.sparql.util.PrintSerializable
toString

public OpUnionTableSQL(Collection<OpTableSQL> tableOps)

public OpUnionTableSQL(Collection<OpTableSQL> tableOps,
               Op effectiveOp)

create
```
public static Op create(Collection<NodeRelation> tables)
```
Creates a new instance from a collection of NodeRelations, or a simpler equivalent Op if optimizations are possible.

public QueryIterator eval(QueryIterator input,
                 ExecutionContext execCxt)

public void outputArgs(org.openjena.atlas.io.IndentedWriter out,
              SerializationContext sCxt)

public boolean equalTo(Op other,
              NodeIsomorphismMap labelMap)

Class OpUnionTableSQL