cloud-fan commented on code in PR #47226:
URL: https://github.com/apache/spark/pull/47226#discussion_r1666867893


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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collationExpressions.scala:
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@@ -38,8 +38,8 @@ import org.apache.spark.sql.types._
     Examples:
       > SET spark.sql.collation.enabled=true;
       spark.sql.collation.enabled      true
-      > SELECT COLLATION('Spark SQL' _FUNC_ UTF8_LCASE);

Review Comment:
   And `str COLLATE UTF8_LCASE` is the more standard way to specify collation.



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