## Uses of Interface
org.modeshape.jcr.query.QueryResults.Columns

- Packages that use QueryResults.Columns
  Package | Description
  --- | ---
  org.modeshape.jcr.query | The Query API provides a mechanism for building and executing queries.
  org.modeshape.jcr.query.lucene | The core query engine, which currently uses Lucene for indexing and raw queries, and the Hibernate Search engine (which does not depend on or use Hibernate Core or JPA) for updating and querying the Lucene indexes.
  org.modeshape.jcr.query.lucene.basic | The "basic" `Lucene schema` has a single index in which all node and property information are indexed into separate fields.
  org.modeshape.jcr.query.process | This package defines the `QueryProcessor` interface, which is responsible for constructing for each query a tree of `ProcessingComponent` objects that each are responsible for processing a specific aspect of the query and returning the tuples to the parent component.

- - ### Uses of QueryResults.Columns in org.modeshape.jcr.query

    Fields in org.modeshape.jcr.query declared as QueryResults.Columns
    Modifier and Type | Field and Description
    --- | ---
    `protected QueryResults.Columns` | JcrQueryResult.QueryResultRowIterator.`columns`

    Methods in org.modeshape.jcr.query that return QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `QueryResults.Columns` | QueryResults.`getColumns()` Get the description of the columns contained in these results.
    `QueryResults.Columns` | QueryResults.TupleReformatter.`getColumns()`
    `QueryResults.Columns` | QueryResults.Columns.`joinWith(QueryResults.Columns columns)` Obtain a new definition for the query results that is a combination of the these columns and the supplied columns, where the columns from this object appear first, followed by columns from the supplied set.
    `QueryResults.Columns` | QueryResults.Columns.`subSelect(Column... columns)` Obtain a new definition for the query results that can be used to reference the same tuples that use this columns definition, but that defines a subset of the columns in this definition.
    `QueryResults.Columns` | QueryResults.Columns.`subSelect(List<Column> columns)` Obtain a new definition for the query results that can be used to reference the same tuples that use this columns definition, but that defines a subset of the columns in this definition.

    Methods in org.modeshape.jcr.query with parameters of type QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | QueryResults.Columns.`includes(QueryResults.Columns other)` Determine whether this mapping includes all of the columns (and locations) in the supplied mapping.
    `boolean` | QueryResults.Columns.`isUnionCompatible(QueryResults.Columns other)` Determine whether this column and the other are union-compatible (that is, having the same columns).
    `QueryResults.Columns` | QueryResults.Columns.`joinWith(QueryResults.Columns columns)` Obtain a new definition for the query results that is a combination of the these columns and the supplied columns, where the columns from this object appear first, followed by columns from the supplied set.

  - ### Uses of QueryResults.Columns in org.modeshape.jcr.query.lucene

    Methods in org.modeshape.jcr.query.lucene with parameters of type QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `protected ProcessingComponent` | LuceneQueryEngine.LuceneQueryProcessor.`createAccessComponent(QueryCommand originalQuery, QueryContext context, PlanNode accessNode, QueryResults.Columns resultColumns, LuceneProcessingContext processingContext)`
    `LuceneQueryEngine.TupleCollector` | LuceneSchema.`createTupleCollector(QueryContext queryContext, QueryResults.Columns columns)`

    Constructors in org.modeshape.jcr.query.lucene with parameters of type QueryResults.Columns
    Constructor and Description
    `LuceneQueryEngine.LuceneAccessQuery(LuceneSchema schema, LuceneProcessingContext processingContext, QueryContext context, QueryResults.Columns resultColumns, PlanNode accessNode)`

  - ### Uses of QueryResults.Columns in org.modeshape.jcr.query.lucene.basic

    Methods in org.modeshape.jcr.query.lucene.basic with parameters of type QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `LuceneQueryEngine.TupleCollector` | BasicLuceneSchema.`createTupleCollector(QueryContext queryContext, QueryResults.Columns columns)`

    Constructors in org.modeshape.jcr.query.lucene.basic with parameters of type QueryResults.Columns
    Constructor and Description
    `BasicTupleCollector(QueryContext queryContext, QueryResults.Columns columns)`

  - ### Uses of QueryResults.Columns in org.modeshape.jcr.query.process

    Classes in org.modeshape.jcr.query.process that implement QueryResults.Columns
    Modifier and Type | Class and Description
    --- | ---
    `class` | `QueryResultColumns` Defines the columns associated with the results of a query.

    Methods in org.modeshape.jcr.query.process that return QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `protected QueryResults.Columns` | DependentQueryComponent.`colunnsOfDependentQuery()` Get the columns definition for the results from the right component that is dependent upon the left.
    `protected QueryResults.Columns` | DependentQueryComponent.`colunnsOfIndependentQuery()` Get the columns definition for the results from the left, independent query that is processed first.
    `protected QueryResults.Columns` | QueryProcessor.`createColumnsFor(PlanNode node, QueryResults.Columns projectedColumns)`
    `QueryResults.Columns` | SetOperationComponent.`getColumns()`
    `QueryResults.Columns` | QueryResults.`getColumns()`
    `QueryResults.Columns` | QueryResultColumns.WrappedReformatter.`getColumns()`
    `QueryResults.Columns` | ProcessingComponent.`getColumns()` Get the column definitions.
    `QueryResults.Columns` | QueryResultColumns.`joinWith(QueryResults.Columns rightColumns)`
    `protected QueryResults.Columns` | JoinComponent.`leftColunns()` Get the columns definition for the results from the left side of the join.
    `protected QueryResults.Columns` | JoinComponent.`rightColumns()` Get the columns definition for the results from the right side of the join.
    `QueryResults.Columns` | QueryResultColumns.`subSelect(Column... columns)`
    `QueryResults.Columns` | QueryResultColumns.`subSelect(List<Column> columns)`

    Methods in org.modeshape.jcr.query.process with parameters of type QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `protected abstract ProcessingComponent` | QueryProcessor.`createAccessComponent(QueryCommand originalQuery, QueryContext context, PlanNode accessNode, QueryResults.Columns resultColumns, ProcessingContextType processingContext)` Create the `ProcessingComponent` that processes a single `PlanNode.Type.ACCESS` branch of a query plan.
    `protected SelectComponent.ConstraintChecker` | SelectComponent.`createChecker(TypeSystem types, Schemata schemata, QueryResults.Columns columns, Constraint constraint, Map<String,Object> variables)` Create the constraint evaluator that is used by the `SelectComponent` to evaluate the supplied `criteria`.
    `protected SelectComponent.ConstraintChecker` | SelectComponent.`createChecker(TypeSystem types, Schemata schemata, QueryResults.Columns columns, ProcessingComponent.DynamicOperation dynamicOperation, Operator operator, StaticOperand staticOperand)`
    `protected QueryResults.Columns` | QueryProcessor.`createColumnsFor(PlanNode node, QueryResults.Columns projectedColumns)`
    `protected ProcessingComponent` | QueryProcessor.`createComponent(QueryCommand originalQuery, QueryContext context, PlanNode node, QueryResults.Columns columns, ProcessingContextType processingContext)` Method that is called to build up the `ProcessingComponent` objects that correspond to the optimized query plan.
    `protected ProcessingComponent.DynamicOperation` | ProcessingComponent.`createDynamicOperation(TypeSystem typeSystem, Schemata schemata, QueryResults.Columns columns, DynamicOperand operand)` Create a `ProcessingComponent.DynamicOperation` instance that is able to evaluate the supplied `DynamicOperand`.
    `protected static JoinComponent.TupleMerger` | JoinComponent.`createMerger(QueryResults.Columns joinColumns, QueryResults.Columns leftColumns, QueryResults.Columns rightColumns)` Create a `JoinComponent.TupleMerger` implementation that will combine a tuple fitting the left columns with a tuple fitting the right columns.
    `protected Comparator<Object[]>` | ProcessingComponent.`createSortComparator(QueryContext context, QueryResults.Columns columns)`
    `protected Comparator<Object[]>` | SortValuesComponent.`createSortComparator(QueryContext context, QueryResults.Columns columns, List<Ordering> orderings, Map<SelectorName,SelectorName> sourceNamesByAlias)`
    `protected Comparator<Object[]>` | SortValuesComponent.`createSortComparator(QueryContext context, QueryResults.Columns columns, Ordering ordering, Map<SelectorName,SelectorName> sourceNamesByAlias)`
    `protected int[]` | ProcessingComponent.`getLocationIndexes(QueryResults.Columns columns)`
    `boolean` | QueryResultColumns.`includes(QueryResults.Columns other)`
    `protected boolean` | MergeJoinComponent.`isSameTuple(QueryResults.Columns columns, Object[] tuple1, Object[] tuple2)`
    `boolean` | QueryResultColumns.`isUnionCompatible(QueryResults.Columns other)`
    `QueryResults.Columns` | QueryResultColumns.`joinWith(QueryResults.Columns rightColumns)`
    `protected static boolean` | SetOperationComponent.`unionCompatible(QueryResults.Columns columns, Iterable<ProcessingComponent> sources)`

    Constructors in org.modeshape.jcr.query.process with parameters of type QueryResults.Columns
    Constructor and Description
    `AbstractAccessComponent(QueryContext context, QueryResults.Columns columns, PlanNode accessNode)`
    `DelegatingComponent(ProcessingComponent delegate, QueryResults.Columns overridingColumns)`
    `ExceptComponent(QueryContext context, QueryResults.Columns columns, Iterable<ProcessingComponent> sources, boolean alreadySorted, boolean all)`
    `IntersectComponent(QueryContext context, QueryResults.Columns columns, Iterable<ProcessingComponent> sources, boolean alreadySorted, boolean all)`
    `NoResultsComponent(QueryContext context, QueryResults.Columns columns)`
    `ProcessingComponent(QueryContext context, QueryResults.Columns columns)`
    `QueryResultColumns.WrappedReformatter(int[] indexes, QueryResults.Columns columns)`
    `QueryResults.TupleCursor(QueryResults.Columns columns, Iterator<Object[]> iterator)`
    `QueryResults(QueryResults.Columns columns, QueryResults.Statistics statistics)` Create an empty `QueryResults` object for the supplied context, command, and result columns.
    `QueryResults(QueryResults.Columns columns, QueryResults.Statistics statistics, List<Object[]> tuples)` Create a results object for the supplied context, command, and result columns and with the supplied tuples.
    `QueryResults(QueryResults.Columns columns, QueryResults.Statistics statistics, List<Object[]> tuples, Problems problems, String plan)` Create a results object for the supplied context, command, and result columns and with the supplied tuples.
    `QueryResults(QueryResults.Columns columns, QueryResults.Statistics statistics, Problems problems)` Create an empty `QueryResults` object for the supplied context, command, and result columns.
    `SetOperationComponent(QueryContext context, QueryResults.Columns columns, Iterable<ProcessingComponent> sources, boolean alreadySorted, boolean all)`
    `UnionComponent(QueryContext context, QueryResults.Columns columns, Iterable<ProcessingComponent> sources, boolean alreadySorted, boolean all)`

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