public java.lang.String getDdlSchemaName() {
      java.lang.Object ref = ddlSchemaName_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (bs.isValidUtf8()) {
          ddlSchemaName_ = s;
        }
        return s;
      }
    }
<code>optional bool withoutSchema = 17;</code>

<pre>
* without schema *
</pre>
node/etl/src/main/java/com/alibaba/otter/node/etl/model/protobuf/BatchProto.java