Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/19977#discussion_r158939942 --- Diff: sql/core/src/test/resources/sql-tests/inputs/string-functions.sql --- @@ -24,3 +24,17 @@ select left("abcd", 2), left("abcd", 5), left("abcd", '2'), left("abcd", null); select left(null, -2), left("abcd", -2), left("abcd", 0), left("abcd", 'a'); select right("abcd", 2), right("abcd", 5), right("abcd", '2'), right("abcd", null); select right(null, -2), right("abcd", -2), right("abcd", 0), right("abcd", 'a'); + +-- turn on concatBinaryAsString +set spark.sql.function.concatBinaryAsString=false; --- End diff -- I meant you said turn on in the comment (L28).
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