use of org.apache.ignite.internal.processors.odbc.jdbc.JdbcQueryCloseRequest in project ignite by apache.
the class JdbcThinTcpIo method guessCapacity.
/**
* Try to guess request capacity.
*
* @param req Request.
* @return Expected capacity.
*/
private static int guessCapacity(JdbcRequest req) {
int cap;
if (req instanceof JdbcBatchExecuteRequest) {
List<JdbcQuery> qrys = ((JdbcBatchExecuteRequest) req).queries();
int cnt = !F.isEmpty(qrys) ? Math.min(MAX_BATCH_QRY_CNT, qrys.size()) : 0;
// One additional byte for autocommit and last batch flags.
cap = cnt * DYNAMIC_SIZE_MSG_CAP + 2;
} else if (req instanceof JdbcQueryCloseRequest)
cap = QUERY_CLOSE_MSG_SIZE;
else if (req instanceof JdbcQueryMetadataRequest)
cap = QUERY_META_MSG_SIZE;
else if (req instanceof JdbcQueryFetchRequest)
cap = QUERY_FETCH_MSG_SIZE;
else
cap = DYNAMIC_SIZE_MSG_CAP;
return cap;
}
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