Initial commit

contrib/format-xml/src/main/java/org/apache/drill/exec/store/xml/XMLReader.java

@@ -438,6 +438,7 @@ private TupleWriter getMapWriter(String mapName, TupleWriter rowWriter) {
       // Add map to map collection for future use
       nestedMapCollection.put(tempFieldName, new XMLMap(mapName, rowWriter.tuple(index)));
     }
+    logger.debug("Index: {}, Fieldname: {}", index, mapName);
     return rowWriter.tuple(index);
   }
 

contrib/format-xml/src/test/java/org/apache/drill/exec/store/xml/TestXMLReader.java

@@ -543,4 +543,12 @@ public void testLimitPushdown() throws Exception {
       .include("Limit", "maxRecords=2")
       .match();
   }
+
+  @Test
+  public void testMapError() throws Exception {
+    String sql = "SELECT * FROM cp.`xml/servicenow.xml`";
+    RowSet results = client.queryBuilder().sql(sql).rowSet();
+    results.print();
+  }
+
 }

contrib/format-xml/src/test/resources/logback-test.xml

@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
+<configuration>
+  <if condition='property("drill.lilith.enable").equalsIgnoreCase("true")'>
+    <then>
+      <appender name="SOCKET" class="de.huxhorn.lilith.logback.appender.ClassicMultiplexSocketAppender">
+        <Compressing>true</Compressing>
+        <ReconnectionDelay>10000</ReconnectionDelay>
+        <IncludeCallerData>true</IncludeCallerData>
+        <RemoteHosts>${LILITH_HOSTNAME:-localhost}</RemoteHosts>
+      </appender>
+
+      <logger name="org.apache.drill" additivity="false">
+        <level value="DEBUG"/>
+        <appender-ref ref="SOCKET"/>
+      </logger>
+
+      <logger name="query.logger" additivity="false">
+        <level value="ERROR"/>
+        <appender-ref ref="SOCKET"/>
+      </logger>
+      <logger name="org.apache.drill.exec.store.http">
+        <level value="DEBUG"/>
+        <appender-ref ref="SOCKET"/>
+      </logger>
+    </then>
+  </if>
+
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <!-- encoders are assigned the type
+         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+    </encoder>
+  </appender>
+
+  <!--<root>
+    <level value="WARN"/>
+    <if condition='property("drill.lilith.enable").equalsIgnoreCase("true")'>
+      <then>
+        <appender-ref ref="SOCKET"/>
+      </then>
+    </if>
+    <appender-ref ref="STDOUT"/>
+  </root>-->
+  <logger name="org.apache.drill.exec.store.xml" additivity="false">
+    <level value="debug" />
+    <appender-ref ref="STDOUT" />
+  </logger>
+
+</configuration>