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From:Christopher Powers Date:October 24 2008 4:24pm
Subject:Online alter behavior
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Hi guys,

My understanding of the online alter API is as follows:

1. check_if_supported_alter()
    - Confirm that handler can perform operation online

2. alter_table_phase1()
    - Notify handler to prepare for alter

3. alter_table_phase2()
    - Command handler to execute alter

4. alter_table_phase3()
    - Notify handler that changes are persisted, table is re-opened

If the handler returns an error in steps 2 or 3 then the server triggers 
an assertion. Is this the intended behavior?

Thanks,

Chris

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Online alter behaviorChristopher Powers24 Oct