## 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.engine | This package contains several fully-functional query engine implementations.

- - ### 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.Columns.`with(QueryResults.Columns other)` Return a new Columns that is a superset combination of both this Columns and the supplied Columns.

    Methods in org.modeshape.jcr.query with parameters of type QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `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.`with(QueryResults.Columns other)` Return a new Columns that is a superset combination of both this Columns and the supplied Columns.

    Constructors in org.modeshape.jcr.query with parameters of type QueryResults.Columns
    Constructor and Description
    `JcrQueryResult.QueryResultRowIterator(JcrQueryContext context, String query, NodeSequence sequence, QueryResults.Columns columns)`
    `JcrQueryResult.SingleSelectorQueryResultRowIterator(JcrQueryContext context, String query, NodeSequence sequence, QueryResults.Columns columns)`

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

    Classes in org.modeshape.jcr.query.engine that implement QueryResults.Columns
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `ScanningQueryEngine.ResultColumns`

    Methods in org.modeshape.jcr.query.engine that return QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `protected QueryResults.Columns` | ScanningQueryEngine.`determineProjectedColumns(PlanNode optimizedPlan, org.modeshape.jcr.query.engine.ScanningQueryEngine.ScanQueryContext context)` Compute the columns that are defined in the supplied `plan node`.
    `QueryResults.Columns` | Results.`getColumns()`
    `QueryResults.Columns` | ScanningQueryEngine.ResultColumns.`with(QueryResults.Columns other)`

    Methods in org.modeshape.jcr.query.engine with parameters of type QueryResults.Columns
    Modifier and Type | Method and Description
    --- | ---
    `protected RowExtractors.ExtractFromRow` | ScanningQueryEngine.`createExtractFromRow(DynamicOperand operand, QueryContext context, QueryResults.Columns columns, QuerySources sources, TypeSystem.TypeFactory<?> defaultType, boolean allowMultiValued, boolean isLike)` Create a `RowExtractors.ExtractFromRow` implementation that performs the supplied `DynamicOperand` against a current row in the current batch.
    `protected RowExtractors.ExtractFromRow` | ScanningQueryEngine.`createExtractFromRow(String selectorName, String propertyName, QueryContext context, QueryResults.Columns columns, QuerySources sources, TypeSystem.TypeFactory<?> defaultType, boolean allowMultiValued)` Create a `RowExtractors.ExtractFromRow` implementation that accesses the value(s) in the property identified by the supplied selector and property names.
    `protected RowExtractors.ExtractFromRow` | ScanningQueryEngine.`createExtractReferencesFromRow(String selectorName, QueryContext context, QueryResults.Columns columns, QuerySources sources, TypeSystem.TypeFactory<?> defaultType)` Create a `RowExtractors.ExtractFromRow` implementation that accesses the REFERENCE value(s) in the properties of the node identified by the supplied selector names.
    `protected NodeSequence` | ScanningQueryEngine.`createNodeSequence(QueryCommand originalQuery, org.modeshape.jcr.query.engine.ScanningQueryEngine.ScanQueryContext context, PlanNode plan, QueryResults.Columns columns, QuerySources sources)` Create a node sequence containing the results of the original query as defined by the supplied plan.
    `protected NodeSequence` | ScanningQueryEngine.`createNodeSequenceForSource(QueryCommand originalQuery, QueryContext context, PlanNode sourceNode, IndexPlan index, QueryResults.Columns columns, QuerySources sources)` Create a node sequence for the given index
    `protected NodeSequence` | IndexQueryEngine.`createNodeSequenceForSource(QueryCommand originalQuery, QueryContext context, PlanNode sourceNode, IndexPlan indexPlan, QueryResults.Columns columns, QuerySources sources)`
    `protected NodeSequence` | ScanningQueryEngine.`createNodeSequenceForSource(QueryCommand originalQuery, QueryContext context, PlanNode sourceNode, QueryResults.Columns columns, QuerySources sources)` Create a node sequence for the given source.
    `protected NodeSequence.RowFilter` | ScanningQueryEngine.`createRowFilter(Constraint constraint, QueryContext context, QueryResults.Columns columns, QuerySources sources)` Create a `NodeSequence.RowFilter` implementation given the supplied constraints.
    `protected RowExtractors.ExtractFromRow` | ScanningQueryEngine.`createSortingExtractor(List<Ordering> orderings, Map<SelectorName,SelectorName> sourceNamesByAlias, QueryContext context, QueryResults.Columns columns, QuerySources sources)` Create an `RowExtractors.ExtractFromRow` instance that produces for given row a single object that can be used to sort all rows in the specified order.
    `protected RowExtractors.ExtractFromRow` | ScanningQueryEngine.`createSortingExtractor(Ordering ordering, Map<SelectorName,SelectorName> sourceNamesByAlias, QueryContext context, QueryResults.Columns columns, QuerySources sources)` Create an `RowExtractors.ExtractFromRow` instance that produces for given row a single object that can be used to sort all rows in the specified order.
    `protected TypeSystem.TypeFactory<?>` | ScanningQueryEngine.`determineType(DynamicOperand operand, QueryContext context, QueryResults.Columns columns)`
    `boolean` | ScanningQueryEngine.ResultColumns.`isUnionCompatible(QueryResults.Columns other)`
    `QueryResults.Columns` | ScanningQueryEngine.ResultColumns.`with(QueryResults.Columns other)`

    Constructors in org.modeshape.jcr.query.engine with parameters of type QueryResults.Columns
    Constructor and Description
    `Results(QueryResults.Columns columns, QueryResults.Statistics statistics, NodeSequence rows, CachedNodeSupplier cachedNodes, Problems problems, String plan)` Create a results object for the supplied context, command, and result columns and with the supplied tuples.
    `ScanningQueryEngine.ResultColumns(List<Column> columns, List<String> columnTypes, boolean includeFullTextSearchScores, QueryResults.Columns precedingColumns)` Create a new definition for the query results given the supplied columns.

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