NGA-TRAN opened a new pull request #434:
URL: https://github.com/apache/arrow-datafusion/pull/434
# Which issue does this PR close?
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Closes #.
# Rationale for this change
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# What changes are included in this PR?
@alamb In order for me to fix [IOx's issue
1538](https://github.com/influxdata/influxdb_iox/issues/1538) and Datafusion[
#430](https://github.com/apache/arrow-datafusion/issues/430), I want to know
what is the right expectation for each query plan in debug and what functions
we should use during debug. It seems to me the debug display functions do not
display enough information yet.
# Are there any user-facing changes?
This PR includes test for my understanding only. No code changes
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