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From parthchandra <...@git.apache.org>
Subject [GitHub] drill pull request #532: DRILL-4732: Update JDBC driver to use the new prepa...
Date Tue, 28 Jun 2016 23:42:14 GMT
Github user parthchandra commented on a diff in the pull request:

    --- Diff: exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillConnectionImpl.java
    @@ -362,12 +364,33 @@ public PreparedStatement prepareStatement(String sql, int resultSetType,
                                                 int resultSetHoldability) throws SQLException
         try {
    -      DrillPrepareResult prepareResult = new DrillPrepareResult(sql);
    +      DrillRpcFuture<CreatePreparedStatementResp> respFuture = client.createPreparedStatement(sql);
    +      CreatePreparedStatementResp resp;
    +      try {
    +        resp = respFuture.get();
    +      } catch (InterruptedException e) {
    +        // Preserve evidence that the interruption occurred so that code higher up
    +        // on the call stack can learn of the interruption and respond to it if it
    +        // wants to.
    +        Thread.currentThread().interrupt();
    +        throw new SQLException( "Interrupted", e );
    --- End diff --
    Since the client connection is still alive, the query would continue to execute on the
server and presumably still send back results. Where are the results consumed if an interrupt
occurs here?

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