Github user hyunsik commented on a diff in the pull request:
https://github.com/apache/tajo/pull/662#discussion_r36056280
--- Diff: tajo-client/src/main/java/org/apache/tajo/client/QueryClient.java
---
@@ -94,11 +97,11 @@
*
* @return If failed, return null.
*/
- ResultSet executeQueryAndGetResult(final String sql) throws SQLException;
+ ResultSet executeQueryAndGetResult(final String sql) throws
TajoException;
--- End diff --
Take a look at the signature ``executeQuery`` and ``executeQueryWithJson``.
They return SubmitQueryResponse which contains ReturnState. So, we should allow
callers to handle the return state directly.
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