[SPARK-34814] LikeSimplification should handle NULL

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.1.2, 3.2.0
• Component/s: SQL
• Assignee: angerszhu
• Reporter: Yuming Wang
• Created: 22/Mar/21 02:20
• Updated: 12/Dec/22 18:10
• Resolved: 29/Mar/21 03:06

Description

It will throw NPE if add this test to RegexpExpressionsSuite:

import org.apache.spark.sql.catalyst.optimizer.ConstantFolding
import org.apache.spark.sql.internal.SQLConf
withSQLConf(SQLConf.OPTIMIZER_EXCLUDED_RULES.key ->
  ConstantFolding.getClass.getName.stripSuffix("$")) {
  checkEvaluation(Literal.create("foo", StringType)
    .likeAll("%foo%", Literal.create(null, StringType)), null)
}

Issue Links

• links to: [Github] Pull Request #31976 (AngersZhuuuu)
• links to: [Github] Pull Request #31976 (AngersZhuuuu)