diff options
| -rw-r--r-- | sql/core/src/main/scala/org/apache/spark/sql/functions.scala | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala index 5767668dd3..4e8f3f96bf 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/functions.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/functions.scala @@ -1829,7 +1829,15 @@ object functions { */ @deprecated("Use callUDF", "1.5.0") def callUdf(udfName: String, cols: Column*): Column = { - UnresolvedFunction(udfName, cols.map(_.expr)) + // Note: we avoid using closures here because on file systems that are case-insensitive, the + // compiled class file for the closure here will conflict with the one in callUDF (upper case). + val exprs = new Array[Expression](cols.size) + var i = 0 + while (i < cols.size) { + exprs(i) = cols(i).expr + i += 1 + } + UnresolvedFunction(udfName, exprs) } } |