apache / apache/iotdb

Using Statistics in query with value filter

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Dominant language
Java
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Description

We have Statistics in TimeseriesMetadata, ChunkMetadata and PageHeader. These Statistics need to be used in all queries with a value filter.

Contributor guide

Open the contributing guide

Research direction

Start by tracing value-filter query handling and how Statistics are exposed in TimeseriesMetadata, ChunkMetadata, and PageHeader. Determine which query paths currently ignore these statistics; done means every query with a value filter uses the relevant statistics, with coverage for the affected paths.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
databases
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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