maropu commented on a change in pull request #24859: [SPARK-28033][SQL] String
concatenation should lower precedence than other operators
URL: https://github.com/apache/spark/pull/24859#discussion_r298478719
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File path: docs/sql-migration-guide-upgrade.md
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@@ -23,6 +23,8 @@ license: |
{:toc}
## Upgrading From Spark SQL 2.4 to 3.0
+ - Since Spark 3.0, the string concatenation operator(`||`) has lower
precedence than other operators.
Review comment:
Is it not "has the lowest precedence among operators"? Also, could you add a
simple example query in this statement?
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