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https://issues.apache.org/jira/browse/HIVE-24218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Miklos Gergely resolved HIVE-24218.
-----------------------------------
Resolution: Duplicate
> Drop table used by a materialized view
> --------------------------------------
>
> Key: HIVE-24218
> URL: https://issues.apache.org/jira/browse/HIVE-24218
> Project: Hive
> Issue Type: Bug
> Components: CLI, Hive, HiveServer2, Metastore
> Affects Versions: 3.1.0
> Reporter: stephbat
> Priority: Critical
>
> I have discovered that it's possible to drop a table used by a materialized
> view. When I drop this table, the result is OK while I think this action
> should be refused. When I check in the metastore database, I can see that the
> table has been partially deleted (ie : the reference of the table still
> exists in TBLS and in MV_TABLES_USED). This introduces an inconsistency in
> the metastore.
> Steps to reproduced :
> {code:java}
> jdbc:hive2://localhost.> use use ptest2_db_dev;
> No rows affected (0.067 seconds)
> 0: jdbc:hive2://localhost.> create table table_blocked (id string);
> No rows affected (0.97 seconds)
> 0: jdbc:hive2://localhost.> desc table_blocked;
> +-----------+------------+----------+
> | col_name | data_type | comment |
> +-----------+------------+----------+
> | id | string | |
> +-----------+------------+----------+
> 1 row selected (0.171 seconds)
> 0: jdbc:hive2://localhost.> create materialized view table_blocked_mv as
> select * from table_blocked;
> No rows affected (18.055 seconds)
> 0: jdbc:hive2://localhost.> desc table_blocked_mv;
> +-----------+------------+----------+
> | col_name | data_type | comment |
> +-----------+------------+----------+
> | id | string | |
> +-----------+------------+----------+
> 1 row selected (0.316 seconds)
> 0: jdbc:hive2://localhost.> drop table table_blocked;
> No rows affected (10.803 seconds)
> 0: jdbc:hive2://localhost.> desc table_blocked_mv;
> +-----------+------------+----------+
> | col_name | data_type | comment |
> +-----------+------------+----------+
> | id | string | |
> +-----------+------------+----------+
> 1 row selected (0.222 seconds)
> 0: jdbc:hive2://localhost.> desc table_blocked;
> Error: Error while compiling statement: FAILED: SemanticException Unable to
> fetch table table_blocked. null (state=42000,code=40000)
> 0: jdbc:hive2://localhost.> select * from table_blocked_mv;
> Error: Error while compiling statement: FAILED: SemanticException Table
> ptest2_db_dev.table_blocked not found when trying to obtain it to check
> masking/filtering policies (state=42000,code=40000)
> {code}
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