Uses of Interface org.apache.cassandra.db.partitions.PartitionIterator (apache-cassandra API)
Date: 2018-02-14

## Uses of Interface
org.apache.cassandra.db.partitions.PartitionIterator

- Packages that use PartitionIterator
  Package | Description
  --- | ---
  org.apache.cassandra.cql3 |
  org.apache.cassandra.cql3.statements |
  org.apache.cassandra.db |
  org.apache.cassandra.db.filter |
  org.apache.cassandra.db.partitions |
  org.apache.cassandra.db.transform |
  org.apache.cassandra.index |
  org.apache.cassandra.index.internal |
  org.apache.cassandra.index.sasi |
  org.apache.cassandra.service |
  org.apache.cassandra.service.pager |
  org.apache.cassandra.thrift |

- - ### Uses of PartitionIterator in org.apache.cassandra.cql3

    Methods in org.apache.cassandra.cql3 with parameters of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static UntypedResultSet` | QueryProcessor.`resultify(java.lang.String query, PartitionIterator partitions)`

  - ### Uses of PartitionIterator in org.apache.cassandra.cql3.statements

    Methods in org.apache.cassandra.cql3.statements with parameters of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `ResultSet` | SelectStatement.`process(PartitionIterator partitions, int nowInSec)`

  - ### Uses of PartitionIterator in org.apache.cassandra.db

    Methods in org.apache.cassandra.db that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `PartitionIterator` | PartitionRangeReadCommand.`execute(ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)`
    `PartitionIterator` | ReadQuery.`execute(ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)` Executes the query at the provided consistency level.
    `PartitionIterator` | SinglePartitionReadCommand.`execute(ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)`
    `PartitionIterator` | SinglePartitionReadCommand.Group.`execute(ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)`
    `PartitionIterator` | ReadCommand.`executeInternal(ReadExecutionController controller)`
    `PartitionIterator` | ReadQuery.`executeInternal(ReadExecutionController controller)` Execute the query for internal queries (that is, it basically executes the query locally).
    `PartitionIterator` | SinglePartitionReadCommand.Group.`executeInternal(ReadExecutionController controller)`
    `static PartitionIterator` | EmptyIterators.`partition()`
    `PartitionIterator` | PartitionRangeReadCommand.`postReconciliationProcessing(PartitionIterator result)` Allow to post-process the result of the query after it has been reconciled on the coordinator but before it is passed to the CQL layer to return the ResultSet.

    Methods in org.apache.cassandra.db with parameters of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `PartitionIterator` | PartitionRangeReadCommand.`postReconciliationProcessing(PartitionIterator result)` Allow to post-process the result of the query after it has been reconciled on the coordinator but before it is passed to the CQL layer to return the ResultSet.

  - ### Uses of PartitionIterator in org.apache.cassandra.db.filter

    Methods in org.apache.cassandra.db.filter that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `PartitionIterator` | DataLimits.Counter.`applyTo(PartitionIterator partitions)`
    `PartitionIterator` | DataLimits.`filter(PartitionIterator iter, int nowInSec, boolean countPartitionsWithOnlyStaticData, boolean enforceStrictLiveness)`

    Methods in org.apache.cassandra.db.filter with parameters of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `PartitionIterator` | DataLimits.Counter.`applyTo(PartitionIterator partitions)`
    `PartitionIterator` | DataLimits.`filter(PartitionIterator iter, int nowInSec, boolean countPartitionsWithOnlyStaticData, boolean enforceStrictLiveness)`

  - ### Uses of PartitionIterator in org.apache.cassandra.db.partitions

    Methods in org.apache.cassandra.db.partitions that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static PartitionIterator` | PartitionIterators.`concat(java.util.List<PartitionIterator> iterators)`
    `static PartitionIterator` | UnfilteredPartitionIterators.`filter(UnfilteredPartitionIterator iterator, int nowInSec)`
    `static PartitionIterator` | PartitionIterators.`loggingIterator(PartitionIterator iterator, java.lang.String id)` Wraps the provided iterator so it logs the returned rows for debugging purposes.
    `static PartitionIterator` | PartitionIterators.`singletonIterator(RowIterator iterator)`

    Methods in org.apache.cassandra.db.partitions with parameters of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static void` | PartitionIterators.`consume(PartitionIterator iterator)`
    `static RowIterator` | PartitionIterators.`getOnlyElement(PartitionIterator iter, SinglePartitionReadCommand command)`
    `static PartitionIterator` | PartitionIterators.`loggingIterator(PartitionIterator iterator, java.lang.String id)` Wraps the provided iterator so it logs the returned rows for debugging purposes.

    Method parameters in org.apache.cassandra.db.partitions with type arguments of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static PartitionIterator` | PartitionIterators.`concat(java.util.List<PartitionIterator> iterators)`

  - ### Uses of PartitionIterator in org.apache.cassandra.db.transform

    Classes in org.apache.cassandra.db.transform that implement PartitionIterator
    Modifier and Type | Class and Description
    --- | ---
    `class` | `FilteredPartitions`

    Methods in org.apache.cassandra.db.transform that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static PartitionIterator` | Transformation.`apply(PartitionIterator iterator, Transformation<? super RowIterator> transformation)`
    `static PartitionIterator` | MorePartitions.`extend(PartitionIterator iterator, MorePartitions<? super PartitionIterator> more)`

    Methods in org.apache.cassandra.db.transform with parameters of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static PartitionIterator` | Transformation.`apply(PartitionIterator iterator, Transformation<? super RowIterator> transformation)`
    `static PartitionIterator` | MorePartitions.`extend(PartitionIterator iterator, MorePartitions<? super PartitionIterator> more)`

    Method parameters in org.apache.cassandra.db.transform with type arguments of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `static PartitionIterator` | MorePartitions.`extend(PartitionIterator iterator, MorePartitions<? super PartitionIterator> more)`

  - ### Uses of PartitionIterator in org.apache.cassandra.index

    Methods in org.apache.cassandra.index that return types with arguments of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `java.util.function.BiFunction<PartitionIterator,ReadCommand,PartitionIterator>` | Index.`postProcessorFor(ReadCommand command)` Return a function which performs post processing on the results of a partition range read command.
    `java.util.function.BiFunction<PartitionIterator,ReadCommand,PartitionIterator>` | Index.`postProcessorFor(ReadCommand command)` Return a function which performs post processing on the results of a partition range read command.

  - ### Uses of PartitionIterator in org.apache.cassandra.index.internal

    Methods in org.apache.cassandra.index.internal that return types with arguments of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `java.util.function.BiFunction<PartitionIterator,ReadCommand,PartitionIterator>` | CassandraIndex.`postProcessorFor(ReadCommand command)` No post processing of query results, just return them unchanged
    `java.util.function.BiFunction<PartitionIterator,ReadCommand,PartitionIterator>` | CassandraIndex.`postProcessorFor(ReadCommand command)` No post processing of query results, just return them unchanged

  - ### Uses of PartitionIterator in org.apache.cassandra.index.sasi

    Methods in org.apache.cassandra.index.sasi that return types with arguments of type PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `java.util.function.BiFunction<PartitionIterator,ReadCommand,PartitionIterator>` | SASIIndex.`postProcessorFor(ReadCommand command)`
    `java.util.function.BiFunction<PartitionIterator,ReadCommand,PartitionIterator>` | SASIIndex.`postProcessorFor(ReadCommand command)`

  - ### Uses of PartitionIterator in org.apache.cassandra.service

    Methods in org.apache.cassandra.service that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `PartitionIterator` | AbstractReadExecutor.`get()` wait for an answer.
    `PartitionIterator` | ReadCallback.`get()`
    `PartitionIterator` | DataResolver.`getData()`
    `PartitionIterator` | DigestResolver.`getData()` Special case of resolve() so that CL.ONE reads never throw DigestMismatchException in the foreground
    `abstract PartitionIterator` | ResponseResolver.`getData()`
    `static PartitionIterator` | StorageProxy.`getRangeSlice(PartitionRangeReadCommand command, ConsistencyLevel consistencyLevel, long queryStartNanoTime)`
    `static PartitionIterator` | StorageProxy.`read(SinglePartitionReadCommand.Group group, ConsistencyLevel consistencyLevel, ClientState state, long queryStartNanoTime)` Performs the actual reading of a row out of the StorageService, fetching a specific set of column names from a given column family.
    `static PartitionIterator` | StorageProxy.`read(SinglePartitionReadCommand.Group group, ConsistencyLevel consistencyLevel, long queryStartNanoTime)`
    `PartitionIterator` | DataResolver.`resolve()`
    `PartitionIterator` | DigestResolver.`resolve()`
    `abstract PartitionIterator` | ResponseResolver.`resolve()`

  - ### Uses of PartitionIterator in org.apache.cassandra.service.pager

    Classes in org.apache.cassandra.service.pager that implement PartitionIterator
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AggregationQueryPager.AggregationPartitionIterator` `PartitionIterator` for queries without Group By but with aggregates.
    `class` | `AggregationQueryPager.GroupByPartitionIterator` `PartitionIterator` that automatically fetch a new sub-page of data if needed when the current iterator is exhausted.

    Methods in org.apache.cassandra.service.pager that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `PartitionIterator` | AggregationQueryPager.`fetchPage(int pageSize, ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)`
    `PartitionIterator` | MultiPartitionPager.`fetchPage(int pageSize, ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)`
    `PartitionIterator` | QueryPager.`fetchPage(int pageSize, ConsistencyLevel consistency, ClientState clientState, long queryStartNanoTime)` Fetches the next page.
    `PartitionIterator` | AggregationQueryPager.`fetchPageInternal(int pageSize, ReadExecutionController executionController)`
    `PartitionIterator` | MultiPartitionPager.`fetchPageInternal(int pageSize, ReadExecutionController executionController)`
    `PartitionIterator` | QueryPager.`fetchPageInternal(int pageSize, ReadExecutionController executionController)` Fetches the next page internally (in other, this does a local query).

  - ### Uses of PartitionIterator in org.apache.cassandra.thrift

    Methods in org.apache.cassandra.thrift that return PartitionIterator
    Modifier and Type | Method and Description
    --- | ---
    `protected PartitionIterator` | CassandraServer.`read(java.util.List<SinglePartitionReadCommand> commands, ConsistencyLevel consistency_level, ClientState cState, long queryStartNanoTime)`

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