[GitHub] [spark] cloud-fan commented on a change in pull request #27547: [SPARK-30759][SQL][TESTS][FOLLOWUP] Check cache initialization in StringRegexExpression

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cloud-fan commented on a change in pull request #27547: [SPARK-30759][SQL][TESTS][FOLLOWUP] Check cache initialization in StringRegexExpression
URL: https://github.com/apache/spark/pull/27547#discussion_r378149997
 
 

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 File path: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/RegexpExpressionsSuite.scala
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 @@ -329,4 +329,12 @@ class RegexpExpressionsSuite extends SparkFunSuite with ExpressionEvalHelper {
     checkEvaluation(StringSplit(s1, s2, -1), null, row3)
   }
 
+  test("cache initialization for literal patterns") {
 
 Review comment:
   can we include the JIRA number?

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