public Builder setSize(long value) {
        bitField0_ |= 0x00000800;
        size_ = value;
        onChanged();
        return this;
      }
<code>optional string ddlSchemaName = 15;</code>

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