Charles Givre created DRILL-8241:
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Summary: Remove Deprecated JSON Reader
Key: DRILL-8241
URL: https://issues.apache.org/jira/browse/DRILL-8241
Project: Apache Drill
Issue Type: Improvement
Components: Storage - JSON
Affects Versions: 1.20.1
Reporter: Charles Givre
Fix For: 2.0.0
This is a master ticket to remove the deprecated v1 JSON reader from Drill.
This JSON reader is used in several places and removing it will ensure
consistent behavior across all data sources.
The V2, EVF based JSON reader has several advantages, including the possibility
of schema provisioning, limit pushdowns and others.
Here are the tasks which need to be completed to fully remove the v1 JSON
reader.
* Convert the convert_fromJSON functions to V2
* Convert the Druid Storage Plugin to V2
* Convert MongoDB Storage Plugin to V2. (Note the MongoDB plugin uses an
EVF-based BSON reader as well as the V1 JSON reader)
* Remove all V1-based unit tests
* Migrate the JsonOptions from the HTTP Storage Plugin to global location to
allow other plugins and users of JSON to set JSON configuration at a more
granular level.
* Remove extraneous configuration options.
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