Jason Dai created HBASE-6805:
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Summary: Extend co-processor framework to provide observers for
filter operations
Key: HBASE-6805
URL: https://issues.apache.org/jira/browse/HBASE-6805
Project: HBase
Issue Type: Sub-task
Components: coprocessors
Affects Versions: 0.96.0
Reporter: Jason Dai
There are several filter operations (e.g., filterKeyValue, filterRow,
transform, etc.) at the region server side that either exclude KVs from the
returned results, or transform the returned KV. We need to provide observers
(e.g., preFilterKeyValue and postFilterKeyValue) for these operations in the
same way as the observers for other data access operations (e.g., preGet and
postGet). This extension is needed to support DOT (e.g., extracting individual
fields from the document in the observers before passing them to the related
filter operations)
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