Hi xuchuanyin, 

For index datamap we can have same behavior as mv datamap only, but it might
behave differently in case of lucene. This we can decide whether to enable
or lazy load or not.

Currently mv behavior is below

 it supports only lazy load. So when the main table data and the datamap
data are not synced then the datamap is not selected for pruning. We read
the datamap status file and if datamap is disabled we do not considered
during query, as we will change the plan.

please get back for any more clarifications or suggestions

Thank you



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