diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexDatasource.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexDatasource.java
index 3351075..691be47 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexDatasource.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexDatasource.java
@@ -19,6 +19,8 @@
 package org.apache.asterix.app.function;
 
 import org.apache.asterix.common.cluster.IClusterStateManager;
+import org.apache.asterix.external.api.IDataParserFactory;
+import org.apache.asterix.external.parser.factory.JSONDataParserFactory;
 import org.apache.asterix.metadata.api.IDatasourceFunction;
 import org.apache.asterix.metadata.declared.DataSourceId;
 import org.apache.asterix.metadata.declared.FunctionDataSource;
@@ -59,4 +61,9 @@
             AlgebricksAbsolutePartitionConstraint locations) {
         return new DumpIndexFunction(locations, indexDataflowHelperFactory, recDesc, comparatorFactories);
     }
+
+    @Override
+    protected IDataParserFactory createDataParserFactory() {
+        return new JSONDataParserFactory();
+    }
 }
diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexReader.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexReader.java
index e60b015..8ef094e 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexReader.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/app/function/DumpIndexReader.java
@@ -25,6 +25,7 @@
 import org.apache.asterix.external.api.IRawRecord;
 import org.apache.asterix.external.input.record.CharArrayRecord;
 import org.apache.asterix.om.base.ARecord;
+import org.apache.asterix.om.base.AString;
 import org.apache.asterix.om.base.IACollection;
 import org.apache.asterix.om.base.IACursor;
 import org.apache.asterix.om.base.IAObject;
@@ -132,6 +133,9 @@
             case DATETIME:
                 JSONUtil.quoteAndEscape(recordBuilder, field.toString());
                 break;
+            case STRING:
+                JSONUtil.quoteAndEscape(recordBuilder, ((AString) field).getStringValue());
+                break;
             case MISSING:
                 break;
             default:
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/dump_index/dump_index.2.update.sqlpp b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/dump_index/dump_index.2.update.sqlpp
index 10378f2..3469c9a 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/dump_index/dump_index.2.update.sqlpp
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/queries_sqlpp/misc/dump_index/dump_index.2.update.sqlpp
@@ -18,5 +18,6 @@
  */
 USE test;
 INSERT INTO ds ([{"id":1, "name": "name1"}, {"id":2, "name": "name2"}]);
-UPSERT INTO ds2 ([{"id": 1,"age":30, "a1": {"b": [{"x": [1,2]}, {"x": [1,2]}]}, "a2": [{"x": [1,2]}, {"x": [1,2]}] }]);
+UPSERT INTO ds2 ([{"id": 1,"age":"t\\'s", "a1": {"b": [{"x": [1,2]}, {"x": [1,2]}]}, "a2": [{"x": [1,2]}, {"x": [1,2]}]
+}]);
 ANALYZE DATASET ds2;
\ No newline at end of file
diff --git a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/dump_index/dump_index.10.adm b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/dump_index/dump_index.10.adm
index a52ceae..d13e452 100644
--- a/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/dump_index/dump_index.10.adm
+++ b/asterixdb/asterix-app/src/test/resources/runtimets/results/misc/dump_index/dump_index.10.adm
@@ -1 +1 @@
-[ { "values": [ 1, { "id": 1, "age": 30, "a1": { "b": [ { "x": [ 1, 2 ] }, { "x": [ 1, 2 ] } ] }, "a2": [ { "x": [ 1, 2 ] }, { "x": [ 1, 2 ] } ] } ] } ]
\ No newline at end of file
+[ { "values": [ 1, { "id": 1, "age": "t\\'s", "a1": { "b": [ { "x": [ 1, 2 ] }, { "x": [ 1, 2 ] } ] }, "a2": [ { "x": [ 1, 2 ] }, { "x": [ 1, 2 ] } ] } ] } ]
\ No newline at end of file
diff --git a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/adapter/factory/GenericAdapterFactory.java b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/adapter/factory/GenericAdapterFactory.java
index ac45f7a..8ec5af0 100644
--- a/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/adapter/factory/GenericAdapterFactory.java
+++ b/asterixdb/asterix-external-data/src/main/java/org/apache/asterix/external/adapter/factory/GenericAdapterFactory.java
@@ -37,7 +37,6 @@
 import org.apache.asterix.external.dataset.adapter.FeedAdapter;
 import org.apache.asterix.external.dataset.adapter.GenericAdapter;
 import org.apache.asterix.external.indexing.ExternalFile;
-import org.apache.asterix.external.parser.factory.ADMDataParserFactory;
 import org.apache.asterix.external.provider.DataflowControllerProvider;
 import org.apache.asterix.external.provider.DatasourceFactoryProvider;
 import org.apache.asterix.external.provider.ParserFactoryProvider;
@@ -47,7 +46,6 @@
 import org.apache.asterix.external.util.FeedLogManager;
 import org.apache.asterix.external.util.FeedUtils;
 import org.apache.asterix.om.types.ARecordType;
-import org.apache.asterix.om.utils.RecordUtil;
 import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
 import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.api.application.ICCServiceContext;
@@ -209,18 +207,18 @@
     }
 
     /**
-     * Use pre-configured datasource factory
-     * For function datasources
+     * Use pre-configured datasource factory For function datasources
      *
      * @param dataSourceFactory
-     *            the function datasource factory
+     *         the function datasource factory
+     * @param dataParserFactory
+     *         the function data parser factory
      * @throws AlgebricksException
      */
-    public void configure(IExternalDataSourceFactory dataSourceFactory) throws AlgebricksException {
+    public void configure(IExternalDataSourceFactory dataSourceFactory, IDataParserFactory dataParserFactory)
+            throws AlgebricksException {
         this.dataSourceFactory = dataSourceFactory;
-        dataParserFactory = new ADMDataParserFactory();
-        dataParserFactory.setRecordType(RecordUtil.FULLY_OPEN_RECORD_TYPE);
-        dataParserFactory.configure(Collections.emptyMap());
+        this.dataParserFactory = dataParserFactory;
         configuration = Collections.emptyMap();
     }
 
diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/FunctionDataSource.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/FunctionDataSource.java
index a7d560c..5c874d7 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/FunctionDataSource.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/FunctionDataSource.java
@@ -27,6 +27,8 @@
 import org.apache.asterix.common.cluster.IClusterStateManager;
 import org.apache.asterix.common.functions.FunctionSignature;
 import org.apache.asterix.external.adapter.factory.GenericAdapterFactory;
+import org.apache.asterix.external.api.IDataParserFactory;
+import org.apache.asterix.external.parser.factory.ADMDataParserFactory;
 import org.apache.asterix.metadata.api.IDatasourceFunction;
 import org.apache.asterix.om.types.IAType;
 import org.apache.asterix.om.utils.RecordUtil;
@@ -98,7 +100,10 @@
         IClusterStateManager csm = metadataProvider.getApplicationContext().getClusterStateManager();
         FunctionDataSourceFactory factory =
                 new FunctionDataSourceFactory(createFunction(metadataProvider, getLocations(csm)));
-        adapterFactory.configure(factory);
+        IDataParserFactory dataParserFactory = createDataParserFactory();
+        dataParserFactory.setRecordType(RecordUtil.FULLY_OPEN_RECORD_TYPE);
+        dataParserFactory.configure(Collections.emptyMap());
+        adapterFactory.configure(factory, dataParserFactory);
         return metadataProvider.buildExternalDatasetDataScannerRuntime(jobSpec, itemType, adapterFactory,
                 tupleFilterFactory, outputLimit);
     }
@@ -112,6 +117,10 @@
         return new AlgebricksAbsolutePartitionConstraint(ncs.toArray(new String[ncs.size()]));
     }
 
+    protected IDataParserFactory createDataParserFactory() {
+        return new ADMDataParserFactory();
+    }
+
     protected static DataSourceId createDataSourceId(FunctionIdentifier fid, String... parameters) {
         return new DataSourceId(FunctionSignature.getDataverseName(fid), fid.getName(), parameters);
     }