From 5c8ac6b8a106e76170540dc4e04995d27180f5f2 Mon Sep 17 00:00:00 2001
From: scwf <wangfei1@huawei.com>
Date: Thu, 14 May 2015 17:49:04 +0800
Subject: [PATCH] minir fix for InConversion

---
 .../apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala
index 168a4e30eab8..00cc6987bb8b 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala
@@ -296,6 +296,9 @@ trait HiveTypeCoercion {
    */
   object InConversion extends Rule[LogicalPlan] {
     def apply(plan: LogicalPlan): LogicalPlan = plan transformAllExpressions {
+      // Skip nodes who's children have not been resolved yet.
+      case e if !e.childrenResolved => e 
+      
       case i @ In(a, b) if b.exists(_.dataType != a.dataType) =>
         i.makeCopy(Array(a, b.map(Cast(_, a.dataType))))
     }