From 995002fcb37ea62893eb958c67477de90ea6385a Mon Sep 17 00:00:00 2001
From: Yuval Oren <yuval@n3twork.com>
Date: Thu, 6 Mar 2014 18:05:24 -0800
Subject: [PATCH] Fix legacy data source serialization

---
 processing/src/main/java/io/druid/query/LegacyDataSource.java | 2 ++
 processing/src/main/java/io/druid/query/QueryDataSource.java  | 2 ++
 processing/src/main/java/io/druid/query/TableDataSource.java  | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/processing/src/main/java/io/druid/query/LegacyDataSource.java b/processing/src/main/java/io/druid/query/LegacyDataSource.java
index 93636238d87..07a8c647297 100644
--- a/processing/src/main/java/io/druid/query/LegacyDataSource.java
+++ b/processing/src/main/java/io/druid/query/LegacyDataSource.java
@@ -22,7 +22,9 @@ package io.druid.query;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
 
+@JsonTypeName("table")
 public class LegacyDataSource extends TableDataSource
 {
   @JsonCreator
diff --git a/processing/src/main/java/io/druid/query/QueryDataSource.java b/processing/src/main/java/io/druid/query/QueryDataSource.java
index 8296f0e7dd2..e15ebf31338 100644
--- a/processing/src/main/java/io/druid/query/QueryDataSource.java
+++ b/processing/src/main/java/io/druid/query/QueryDataSource.java
@@ -23,7 +23,9 @@ package io.druid.query;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
 
+@JsonTypeName("query")
 public class QueryDataSource implements DataSource
 {
   @JsonProperty
diff --git a/processing/src/main/java/io/druid/query/TableDataSource.java b/processing/src/main/java/io/druid/query/TableDataSource.java
index 79fed0e0721..f246106aae1 100644
--- a/processing/src/main/java/io/druid/query/TableDataSource.java
+++ b/processing/src/main/java/io/druid/query/TableDataSource.java
@@ -22,7 +22,9 @@ package io.druid.query;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonTypeName;
 
+@JsonTypeName("table")
 public class TableDataSource implements DataSource
 {
   @JsonProperty