Class ComputeTableStatsSparkAction

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static org.apache.iceberg.relocated.com.google.common.base.Joiner COMMA_JOINER  
      protected static org.apache.iceberg.relocated.com.google.common.base.Splitter COMMA_SPLITTER  
      protected static java.lang.String FILE_PATH  
      protected static java.lang.String LAST_MODIFIED  
      protected static java.lang.String MANIFEST  
      protected static java.lang.String MANIFEST_LIST  
      protected static java.lang.String OTHERS  
      protected static java.lang.String STATISTICS_FILES  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected org.apache.spark.sql.Dataset<FileInfo> allReachableOtherMetadataFileDS​(Table table)  
      ComputeTableStats columns​(java.lang.String... newColumns)
      Choose the set of columns to collect stats, by default all columns are chosen.
      protected org.apache.spark.sql.Dataset<FileInfo> contentFileDS​(Table table)  
      protected org.apache.spark.sql.Dataset<FileInfo> contentFileDS​(Table table, java.util.Set<java.lang.Long> snapshotIds)  
      protected org.apache.iceberg.spark.actions.BaseSparkAction.DeleteSummary deleteFiles​(java.util.concurrent.ExecutorService executorService, java.util.function.Consumer<java.lang.String> deleteFunc, java.util.Iterator<FileInfo> files)
      Deletes files and keeps track of how many files were removed for each file type.
      protected org.apache.iceberg.spark.actions.BaseSparkAction.DeleteSummary deleteFiles​(SupportsBulkOperations io, java.util.Iterator<FileInfo> files)  
      ComputeTableStats.Result execute()
      Executes this action.
      protected org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> loadMetadataTable​(Table table, MetadataTableType type)  
      protected org.apache.spark.sql.Dataset<FileInfo> manifestDS​(Table table)  
      protected org.apache.spark.sql.Dataset<FileInfo> manifestDS​(Table table, java.util.Set<java.lang.Long> snapshotIds)  
      protected org.apache.spark.sql.Dataset<FileInfo> manifestListDS​(Table table)  
      protected org.apache.spark.sql.Dataset<FileInfo> manifestListDS​(Table table, java.util.Set<java.lang.Long> snapshotIds)  
      protected JobGroupInfo newJobGroupInfo​(java.lang.String groupId, java.lang.String desc)  
      protected Table newStaticTable​(TableMetadata metadata, FileIO io)  
      ThisT option​(java.lang.String name, java.lang.String value)  
      protected java.util.Map<java.lang.String,​java.lang.String> options()  
      ThisT options​(java.util.Map<java.lang.String,​java.lang.String> newOptions)  
      protected org.apache.spark.sql.Dataset<FileInfo> otherMetadataFileDS​(Table table)  
      protected ComputeTableStatsSparkAction self()  
      ComputeTableStats snapshot​(long newSnapshotId)
      Choose the table snapshot to compute stats, by default the current snapshot is used.
      protected org.apache.spark.sql.SparkSession spark()  
      protected org.apache.spark.api.java.JavaSparkContext sparkContext()  
      protected org.apache.spark.sql.Dataset<FileInfo> statisticsFileDS​(Table table, java.util.Set<java.lang.Long> snapshotIds)  
      protected <T> T withJobGroupInfo​(JobGroupInfo info, java.util.function.Supplier<T> supplier)  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • STATISTICS_FILES

        protected static final java.lang.String STATISTICS_FILES
        See Also:
        Constant Field Values
      • COMMA_SPLITTER

        protected static final org.apache.iceberg.relocated.com.google.common.base.Splitter COMMA_SPLITTER
      • COMMA_JOINER

        protected static final org.apache.iceberg.relocated.com.google.common.base.Joiner COMMA_JOINER
    • Method Detail

      • columns

        public ComputeTableStats columns​(java.lang.String... newColumns)
        Description copied from interface: ComputeTableStats
        Choose the set of columns to collect stats, by default all columns are chosen.
        Specified by:
        columns in interface ComputeTableStats
        Parameters:
        newColumns - a set of column names to be analyzed
        Returns:
        this for method chaining
      • snapshot

        public ComputeTableStats snapshot​(long newSnapshotId)
        Description copied from interface: ComputeTableStats
        Choose the table snapshot to compute stats, by default the current snapshot is used.
        Specified by:
        snapshot in interface ComputeTableStats
        Parameters:
        newSnapshotId - long ID of the snapshot for which stats need to be computed
        Returns:
        this for method chaining
      • spark

        protected org.apache.spark.sql.SparkSession spark()
      • sparkContext

        protected org.apache.spark.api.java.JavaSparkContext sparkContext()
      • option

        public ThisT option​(java.lang.String name,
                            java.lang.String value)
      • options

        public ThisT options​(java.util.Map<java.lang.String,​java.lang.String> newOptions)
      • options

        protected java.util.Map<java.lang.String,​java.lang.String> options()
      • withJobGroupInfo

        protected <T> T withJobGroupInfo​(JobGroupInfo info,
                                         java.util.function.Supplier<T> supplier)
      • newJobGroupInfo

        protected JobGroupInfo newJobGroupInfo​(java.lang.String groupId,
                                               java.lang.String desc)
      • contentFileDS

        protected org.apache.spark.sql.Dataset<FileInfo> contentFileDS​(Table table)
      • contentFileDS

        protected org.apache.spark.sql.Dataset<FileInfo> contentFileDS​(Table table,
                                                                       java.util.Set<java.lang.Long> snapshotIds)
      • manifestDS

        protected org.apache.spark.sql.Dataset<FileInfo> manifestDS​(Table table)
      • manifestDS

        protected org.apache.spark.sql.Dataset<FileInfo> manifestDS​(Table table,
                                                                    java.util.Set<java.lang.Long> snapshotIds)
      • manifestListDS

        protected org.apache.spark.sql.Dataset<FileInfo> manifestListDS​(Table table)
      • manifestListDS

        protected org.apache.spark.sql.Dataset<FileInfo> manifestListDS​(Table table,
                                                                        java.util.Set<java.lang.Long> snapshotIds)
      • statisticsFileDS

        protected org.apache.spark.sql.Dataset<FileInfo> statisticsFileDS​(Table table,
                                                                          java.util.Set<java.lang.Long> snapshotIds)
      • otherMetadataFileDS

        protected org.apache.spark.sql.Dataset<FileInfo> otherMetadataFileDS​(Table table)
      • allReachableOtherMetadataFileDS

        protected org.apache.spark.sql.Dataset<FileInfo> allReachableOtherMetadataFileDS​(Table table)
      • loadMetadataTable

        protected org.apache.spark.sql.Dataset<org.apache.spark.sql.Row> loadMetadataTable​(Table table,
                                                                                           MetadataTableType type)
      • deleteFiles

        protected org.apache.iceberg.spark.actions.BaseSparkAction.DeleteSummary deleteFiles​(java.util.concurrent.ExecutorService executorService,
                                                                                             java.util.function.Consumer<java.lang.String> deleteFunc,
                                                                                             java.util.Iterator<FileInfo> files)
        Deletes files and keeps track of how many files were removed for each file type.
        Parameters:
        executorService - an executor service to use for parallel deletes
        deleteFunc - a delete func
        files - an iterator of Spark rows of the structure (path: String, type: String)
        Returns:
        stats on which files were deleted
      • deleteFiles

        protected org.apache.iceberg.spark.actions.BaseSparkAction.DeleteSummary deleteFiles​(SupportsBulkOperations io,
                                                                                             java.util.Iterator<FileInfo> files)