belugabehr commented on a change in pull request #1118:
URL: https://github.com/apache/hive/pull/1118#discussion_r448558398
##########
File path: standalone-metastore/metastore-server/src/main/resources/package.jdo
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@@ -345,20 +345,20 @@
<datastore-identity>
<column name="CD_ID"/>
</datastore-identity>
- <field name="cols" table="COLUMNS_V2" >
+ <field name="cols" persistence-modifier="persistent" table="COLUMNS_V2">
<collection element-type="MFieldSchema"/>
- <foreign-key name="COLUMNS_V2_FK" delete-action="cascade"/>
Review comment:
```
If a foreign-key is specified (in MetaData) for the relation field then
leave any deletion to the datastore to perform
```
I don't see any such relationship cascading relationship defined in the
schema for Derby or MySQL, so DN should be doing it.
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