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https://issues.apache.org/jira/browse/PHOENIX-4764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16624252#comment-16624252
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Bin Shi edited comment on PHOENIX-4764 at 9/21/18 10:40 PM:
------------------------------------------------------------
Regarding "If we try to recreate a base table that was previously dropped but
whose child view metadata wasn't cleaned up throw an exception" and "If we try
to recreate a table that was previously dropped we then try to drop the child
views", when we "recreate" a table that was previously dropped, in
HBase/Phoenix, is it possible to treat the new created table to be a different
table from the table that was previously dropped, even they have the same
namespace and table name? The new table can have a unique internal identifier,
such as a global sequential number or GUID, to differentiate from the table
that was previously dropped. The benefit of doing this is that, once a table is
dropped, cleaning up its orphan child views and recreating a new table with the
same name are totally independent which results in simplicity and less chance
for throwing errors.
was (Author: bin shi):
Regarding "If we try to recreate a base table that was previously dropped but
whose child view metadata wasn't cleaned up throw an exception" and "If we try
to recreate a table that was previously dropped we then try to drop the child
views", when we "recreate" a table that was previously dropped, in
HBase/Phoenix, is it possible to treat the new created table to be a different
table from the table that was previously dropped, even they have the same
namespace and table name? The new table can have a unique internal identifier,
such as a global sequential number or GUID, or to differentiate from the table
that was previously dropped. The benefit of doing this is that, once a table is
dropped, cleaning up its orphan child views and recreating a new table with the
same name are totally independent which results in simplicity and less chance
for throwing errors.
> Cleanup metadata of child views for a base table that has been dropped
> ----------------------------------------------------------------------
>
> Key: PHOENIX-4764
> URL: https://issues.apache.org/jira/browse/PHOENIX-4764
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Thomas D'Silva
> Assignee: Kadir OZDEMIR
> Priority: Major
>
> When we drop a base table, we no longer drop all the child view metadata.
> Clean up the child view metadata during compaction.
> If we try to recreate a base table that was previously dropped but whose
> child view metadata wasn't cleaned up throw an exception. Add a test for
> this.
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