MaxGekk commented on a change in pull request #27628: [SPARK-30858][SQL] Make
IntegralDivide's dataType independent from SQL config changes
URL: https://github.com/apache/spark/pull/27628#discussion_r381275275
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala
##########
@@ -403,11 +403,18 @@ case class Divide(left: Expression, right: Expression)
extends DivModLike {
""",
since = "3.0.0")
// scalastyle:on line.size.limit
-case class IntegralDivide(left: Expression, right: Expression) extends
DivModLike {
+case class IntegralDivide(
+ left: Expression,
+ right: Expression,
+ returnLong: Boolean) extends DivModLike {
Review comment:
> I'm just worried about we allow end users to specify the returnLong
parameter which becomes an API.
We don't allow that:
```sql
SELECT div(3, 2, false);
```
fails with:
```
Invalid number of arguments for function div. Expected: 2; Found: 3; line 1
pos 7
org.apache.spark.sql.AnalysisException: Invalid number of arguments for
function div. Expected: 2; Found: 3; line 1 pos 7
at
org.apache.spark.sql.catalyst.analysis.FunctionRegistry$.$anonfun$expression$7(FunctionRegistry.scala:618)
at scala.Option.getOrElse(Option.scala:189)
at
org.apache.spark.sql.catalyst.analysis.FunctionRegistry$.$anonfun$expression$4(FunctionRegistry.scala:602)
at
org.apache.spark.sql.catalyst.analysis.SimpleFunctionRegistry.lookupFunction(FunctionRegistry.scala:121)
at
org.apache.spark.sql.catalyst.catalog.SessionCatalog.lookupFunction(SessionCatalog.scala:1418)
```
I ran the command on the PR changes.
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