Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/19977#discussion_r157935878
--- Diff:
sql/core/src/test/resources/sql-tests/inputs/typeCoercion/native/concat.sql ---
@@ -0,0 +1,21 @@
+-- Concatenate binary inputs
--- End diff --
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