korowa opened a new pull request, #2534:
URL: https://github.com/apache/arrow-datafusion/pull/2534
# Which issue does this PR close?
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Close #2271.
# Rationale for this change
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Fix for splitting ON expression into keys and filters.
# What changes are included in this PR?
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At this moment `extract_join_keys` recursively called on both parts of any
binary expression, though `parse_join` concatenates all filter expressions with
AND operator. This PR changes its behaviour - recursive call occurs only in
case of AND operator.
# Are there any user-facing changes?
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Correct execution plans produced for queries with complex ON conditions (in
case these conditions are supported).
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