Package org.apache.iceberg.actions

Interface RewritePositionDeleteStrategy

  • public interface RewritePositionDeleteStrategy
    A strategy for an action to rewrite position delete files.

    • Method Detail

      • name

        java.lang.String name()
        Returns the name of this rewrite deletes strategy

      • table

        Table table()
        Returns the table being modified by this rewrite strategy

      • validOptions

        java.util.Set<java.lang.String> validOptions()
        Returns a set of options which this rewrite strategy can use. This is an allowed-list and any options not specified here will be rejected at runtime.

      • options

        RewritePositionDeleteStrategy options​(java.util.Map<java.lang.String,​java.lang.String> options)
        Sets options to be used with this strategy

      • selectDeleteFiles

        java.lang.Iterable<DeleteFile> selectDeleteFiles​(java.lang.Iterable<DeleteFile> deleteFiles)
        Select the delete files to rewrite.
        Parameters:
        deleteFiles - iterable of delete files in a group.
        Returns:
        iterable of original delete file to be replaced.

      • planDeleteFileGroups

        java.lang.Iterable<java.lang.Iterable<DeleteFile>> planDeleteFileGroups​(java.lang.Iterable<DeleteFile> deleteFiles)
        Groups into lists which will be processed in a single executable unit. Each group will end up being committed as an independent set of changes. This creates the jobs which will eventually be run as by the underlying Action.
        Parameters:
        deleteFiles - iterable of DeleteFile to be rewritten
        Returns:
        iterable of lists of FileScanTasks which will be processed together

      • rewriteDeleteFiles

        java.lang.Iterable<DeleteFile> rewriteDeleteFiles​(java.lang.Iterable<DeleteFile> deleteFilesToRewrite)
        Define how to rewrite the deletes.
        Parameters:
        deleteFilesToRewrite - a group of files to be rewritten together
        Returns:
        iterable of delete files used to replace the original delete files.