PIG-4975 Map schema shows "Type: null Uid: null" in explain (knoguchi)
git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1758812 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/CHANGES.txt b/CHANGES.txt
index 97e714f..69728d7 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -40,6 +40,8 @@
BUG FIXES
+PIG-4975 Map schema shows "Type: null Uid: null" in explain (knoguchi)
+
PIG-4973: Bigdecimal divison fails (szita via daijy)
PIG-4967: NPE in PigJobControl.run() when job status is null (water via daijy)
diff --git a/src/org/apache/pig/newplan/logical/expression/MapLookupExpression.java b/src/org/apache/pig/newplan/logical/expression/MapLookupExpression.java
index bbce80e..3df7af6 100644
--- a/src/org/apache/pig/newplan/logical/expression/MapLookupExpression.java
+++ b/src/org/apache/pig/newplan/logical/expression/MapLookupExpression.java
@@ -95,7 +95,8 @@
LogicalFieldSchema predFS = successor.getFieldSchema();
if (predFS!=null) {
if (predFS.type==DataType.MAP && predFS.schema!=null) {
- return (predFS.schema.getField(0));
+ fieldSchema = predFS.schema.getField(0);
+ return fieldSchema;
}
else {
fieldSchema = new LogicalSchema.LogicalFieldSchema(null, null, DataType.BYTEARRAY);
