turboFei commented on a change in pull request #27150: [SPARK-30471][SQL] Fix
issue when comparing String and IntegerType
URL: https://github.com/apache/spark/pull/27150#discussion_r366315154
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
##########
@@ -136,11 +136,20 @@ object TypeCoercion {
case (TimestampType, DateType) => Some(TimestampType)
case (DateType, TimestampType) => Some(TimestampType)
- // There is no proper decimal type we can pick,
- // using double type is the best we can do.
- // See SPARK-22469 for details.
- case (n: DecimalType, s: StringType) => Some(DoubleType)
- case (s: StringType, n: DecimalType) => Some(DoubleType)
+ case (l, r) if (l.isInstanceOf[StringType] && r.isInstanceOf[NumericType])
||
+ (l.isInstanceOf[NumericType] && r.isInstanceOf[StringType]) =>
+ if (conf.ansiEnabled) {
+ throw new ArithmeticException(
+ s"""
+ | Operator does not exist: $l compare $r
Review comment:
resolved
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