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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