Yaron Gvili created ARROW-18417:
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Summary: [C++] Support emit info in Substrait extension-multi and
AsOfJoin
Key: ARROW-18417
URL: https://issues.apache.org/jira/browse/ARROW-18417
Project: Apache Arrow
Issue Type: New Feature
Components: C++
Reporter: Yaron Gvili
Assignee: Yaron Gvili
Currently, Arrow-Substrait does not handle emit info that may appear in an
extension-multi in a Substrait plan. Besides the generic handling in the
Arrow-Substrait extension API, specific handling for AsOfJoin is required,
because AsOfJoinNode produces an output schema that is different than the one
used in the emit info. In particular, the AsOfJoinNode output scheme does not
include on- and by-keys of right tables.
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