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https://issues.apache.org/jira/browse/CALCITE-2219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16404294#comment-16404294
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ASF GitHub Bot commented on CALCITE-2219:
-----------------------------------------

Github user risdenk commented on a diff in the pull request:

    https://github.com/apache/calcite-avatica/pull/33#discussion_r175318021
  
    --- Diff: 
core/src/main/java/org/apache/calcite/avatica/AvaticaStatement.java ---
    @@ -268,18 +278,20 @@ protected void close_() {
       }
     
       public int getMaxFieldSize() throws SQLException {
    -    throw connection.HELPER.unsupported();
    +    checkOpen();
    +    return 0;
       }
     
       public void setMaxFieldSize(int max) throws SQLException {
    -    throw connection.HELPER.unsupported();
    +    throw AvaticaConnection.HELPER.unsupported();
    --- End diff --
    
    Would it make sense to make this be a noop instead of returning unsupported 
now that `getMaxFieldSize()` is set to always return 0.


> Avatica Connection/Statement/ResultSet don't throw if resource is closed
> ------------------------------------------------------------------------
>
>                 Key: CALCITE-2219
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2219
>             Project: Calcite
>          Issue Type: Bug
>          Components: avatica
>            Reporter: Laurent Goujon
>            Assignee: Laurent Goujon
>            Priority: Major
>
> According to JDBC spec/Javadoc, almost all methods of 
> {{Connection}}/{{Statement}}/{{PreparedStatement}}/{{ResultSet}} should throw 
> an exception if resource is closed.



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