LuciferYang commented on code in PR #40120:
URL: https://github.com/apache/spark/pull/40120#discussion_r1114005961
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/windowExpressions.scala:
##########
@@ -517,6 +517,10 @@ case class Lead(
input: Expression, offset: Expression, default: Expression, ignoreNulls:
Boolean)
extends FrameLessOffsetWindowFunction with TernaryLike[Expression] {
+ def this(
Review Comment:
without this change, `function_lead` in `ProtoToParsedPlanTestSuite` will
failed as follows:
```
- function_lead *** FAILED ***
org.apache.spark.sql.AnalysisException:
[WRONG_NUM_ARGS.WITHOUT_SUGGESTION] The `lead` requires [0, 1, 2, 3] parameters
but the actual number is 4. Please, refer to
'https://spark.apache.org/docs/latest/sql-ref-functions.html' for a fix.
at
org.apache.spark.sql.errors.QueryCompilationErrors$.wrongNumArgsError(QueryCompilationErrors.scala:681)
at
org.apache.spark.sql.catalyst.analysis.FunctionRegistryBase$.$anonfun$build$7(FunctionRegistry.scala:143)
at scala.Option.getOrElse(Option.scala:189)
at
org.apache.spark.sql.catalyst.analysis.FunctionRegistryBase$.$anonfun$build$4(FunctionRegistry.scala:139)
at
org.apache.spark.sql.catalyst.analysis.FunctionRegistry$.$anonfun$expression$1(FunctionRegistry.scala:875)
at
org.apache.spark.sql.catalyst.analysis.SimpleFunctionRegistryBase.lookupFunction(FunctionRegistry.scala:233)
at
org.apache.spark.sql.catalyst.analysis.SimpleFunctionRegistryBase.lookupFunction$(FunctionRegistry.scala:227)
at
org.apache.spark.sql.catalyst.analysis.SimpleFunctionRegistry.lookupFunction(FunctionRegistry.scala:299)
at
org.apache.spark.sql.catalyst.catalog.SessionCatalog.$anonfun$resolveBuiltinOrTempFunctionInternal$1(SessionCatalog.scala:1644)
at
org.apache.spark.sql.catalyst.catalog.SessionCatalog.lookupTempFuncWithViewContext(SessionCatalog.scala:1654)
...
```
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