Github user vkorukanti commented on a diff in the pull request:
https://github.com/apache/drill/pull/532#discussion_r73940855
--- 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 {
throwIfClosed();
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 --
From [1], we remove the RpcFuture when the response is received, and set
the status in Future. Nobody is going to process it, as the client is not
looking for a response anymore. I am trying to understand who you mean by
processing?
[1]
https://github.com/apache/drill/blob/master/exec/rpc/src/main/java/org/apache/drill/exec/rpc/RpcBus.java#L412
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