vvysotskyi commented on a change in pull request #1425: DRILL-6647: Update 
Calcite version to 1.17.0
URL: https://github.com/apache/drill/pull/1425#discussion_r212229599
 
 

 ##########
 File path: 
exec/jdbc/src/main/java/org/apache/drill/jdbc/impl/DrillConnectionImpl.java
 ##########
 @@ -419,279 +395,161 @@ public TimeZone getTimeZone() {
   // No isWrapperFor(Class<?>) (it doesn't throw SQLException if already 
closed).
   // No unwrap(Class<T>) (it doesn't throw SQLException if already closed).
 
-  @Override
-  public AvaticaStatement createStatement() throws SQLException {
-    throwIfClosed();
-    return super.createStatement();
-  }
-
-  @Override
 
 Review comment:
   As I mentioned in the description of PR, in Avatica was made a change in its 
methods and signatures, so now they check for connection is open, and all these 
Drill methods may be removed to avoid the same check twice. Also, for most of 
the methods in Avatica was added `throws SQLException`, so now it is not needed 
to wrap these exceptions.

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