[jira] [Created] (SPARK-36148) Missing validation of regexp_replace inputs

["Linhong Liu (Jira)" <ji...@apache.org>]

Linhong Liu created SPARK-36148:
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             Summary: Missing validation of regexp_replace inputs
                 Key: SPARK-36148
                 URL: https://issues.apache.org/jira/browse/SPARK-36148
             Project: Spark
          Issue Type: Task
          Components: SQL
    Affects Versions: 3.3.0
            Reporter: Linhong Liu


sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala overrides checkInputDataTypes, but it doesn't call super.checkInputDataTypes, so basic type checking is disabled.

 
{code:java}
scala> spark.sql("""select regexp_replace(collect_list(1), "1", "2")""").collect()
221/07/14 20:58:38 ERROR CodeGenerator: failed to compile: org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 72, Column 1: Assignment conversion not possible from type "org.apache.spark.sql.catalyst.util.ArrayData" to type "org.apache.spark.unsafe.types.UTF8String"
3org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 72, Column 1: Assignment conversion not possible from type "org.apache.spark.sql.catalyst.util.ArrayData" to type "org.apache.spark.unsafe.types.UTF8String"
4	at org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:12021)
{code}



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