James Turton created DRILL-8336:
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Summary: HTTP UDFs do not correctly handle results rooted in an
array
Key: DRILL-8336
URL: https://issues.apache.org/jira/browse/DRILL-8336
Project: Apache Drill
Issue Type: Improvement
Components: Storage - HTTP
Affects Versions: 1.20.2
Reporter: James Turton
Fix For: 1.20.3
When the HTTP udfs http_get or http_request are used against an endpoint that
returns JSON data that is rooted with an array (or line-delimited object
sequence) then they return consecutive objects from that array with each
invocation until the end is reached, after which the next invocation fails with
an error. This can be reproduced by having a web server serve Drill's
donuts.json.
In addition, each invocation of these UDFs leaks a single file descriptor.
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