public com.google.protobuf.ByteString
          getSyncConsistencyBytes() {
        java.lang.Object ref = syncConsistency_;
        if (ref instanceof String) {
          com.google.protobuf.ByteString b = 
              com.google.protobuf.ByteString.copyFromUtf8(
                  (java.lang.String) ref);
          syncConsistency_ = b;
          return b;
        } else {
          return (com.google.protobuf.ByteString) ref;
        }
      }
<code>optional string sql = 14;</code>

<pre>
* dml/ddl sql *
</pre>
node/etl/src/main/java/com/alibaba/otter/node/etl/model/protobuf/BatchProto.java