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From GitBox <...@apache.org>
Subject [GitHub] [drill] arina-ielchiieva commented on a change in pull request #1886: DRILL-7273: Introduce operators for handling metadata
Date Mon, 11 Nov 2019 16:11:00 GMT
arina-ielchiieva commented on a change in pull request #1886: DRILL-7273: Introduce operators
for handling metadata
URL: https://github.com/apache/drill/pull/1886#discussion_r344780213
 
 

 ##########
 File path: metastore/metastore-api/src/main/java/org/apache/drill/metastore/metadata/MetadataType.java
 ##########
 @@ -27,44 +27,54 @@
   /**
    * Metadata type which helps to indicate that there is no overflow of metadata.
    */
-  NONE,
+  NONE(0),
 
   /**
    * Table level metadata type.
    */
-  TABLE,
+  TABLE(1),
 
   /**
    * Segment level metadata type. It corresponds to the metadata
    * within specific directory for FS tables, or may correspond to partition for hive tables.
    */
-  SEGMENT,
+  SEGMENT(2),
 
   /**
    * Drill partition level metadata type. It corresponds to parts of table data which has
the same
    * values within specific column, i.e. partitions discovered by Drill.
    */
-  PARTITION,
+  PARTITION(3),
 
   /**
    * File level metadata type.
    */
-  FILE,
+  FILE(4),
 
   /**
    * Row group level metadata type. Used for parquet tables.
    */
-  ROW_GROUP,
+  ROW_GROUP(5),
 
   /**
    * Metadata that can be applicable to any type.
    */
-  ALL,
+  ALL(Integer.MAX_VALUE),
 
   /**
    * Metadata type which belongs to views.
    */
-  VIEW;
+  VIEW(-1);
+
+  private final int metadataPriority;
+
+  MetadataType(int metadataPriority) {
+    this.metadataPriority = metadataPriority;
+  }
+
+  public boolean includes(MetadataType metadataType) {
 
 Review comment:
   Java-doc

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