BlakeOrth opened a new pull request, #18134:
URL: https://github.com/apache/datafusion/pull/18134
## Which issue does this PR close?
This does not fully close, but is an incremental building block component
for:
- https://github.com/apache/datafusion/issues/17207
The full context of how this code is likely to progress can be seen in the
POC for this effort:
- https://github.com/apache/datafusion/pull/17266
## Rationale for this change
Continued progress filling out methods that are instrumented by the
instrumented object store
## What changes are included in this PR?
- Adds instrumentation around delimited list operations into the
instrumented object store
- Adds test cases for the new code
## Are these changes tested?
Yes, unit tests have been added.
I was trying to put together an example output showing delimited listing
working, however I can't really show it off right now. The only place I know of
delimited listing being used is in queries against hive partitioned tables.
Unfortunately, there seems to be some change/regression in using partitioned
tables since the test cases here
https://github.com/apache/datafusion/issues/17211#issuecomment-3272025207 were
run, and partitioned tables are no longer working as they were a month or so
ago :(
## Are there any user-facing changes?
No-ish
cc @alamb
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