Duo Zhang created HBASE-21550:
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Summary: Should allow returning a modified TableDescriptor for
MasterObserver.preCreateTable
Key: HBASE-21550
URL: https://issues.apache.org/jira/browse/HBASE-21550
Project: HBase
Issue Type: Bug
Components: Coprocessors
Reporter: Duo Zhang
Fix For: 3.0.0, 2.2.0
Before 2.0, we will pass a HTableDescriptor and the CPs can modify the schema
of a table, but now we will pass a TableDescriptor, which is immutable. I think
it is correct to pass an immutable instance here, but we should have a return
value for this method to allow CPs to return a new TableDescriptor.
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