Wei Shao created IOTDB-632:
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Summary: Performance improve for Linear Fill
Key: IOTDB-632
URL: https://issues.apache.org/jira/browse/IOTDB-632
Project: Apache IoTDB
Issue Type: Improvement
Components: Core/Engine
Reporter: Wei Shao
Assignee: Wei Shao
Fix For: 0.10.0-SNAPSHOT
Consider the Linear Fill function within range [T-before_range, T+after_range].
In current implementation, the query executor will search from the beginning of
the timeseries if before_range is infinite value, which is time consuming.
The new implementation should be able to accelerate Linear Fill by searching
the result within [T-before_range, T] in an inverse order.
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