[jira] Commented: (DERBY-3626) Issue with bracketed SQL comments on a remote database connection from ij

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-3626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589710#action_12589710 ] 

Knut Anders Hatlen commented on DERBY-3626:
-------------------------------------------

The client driver checks what kind of statement it is before it sends the SQL text to the server. This code is not updated to understand bracketed comments. See org.apache.derby.client.am.Statement.parseSqlAndSetSqlModes().

> Issue with bracketed SQL comments on a remote database connection from ij
> -------------------------------------------------------------------------
>
>                 Key: DERBY-3626
>                 URL: https://issues.apache.org/jira/browse/DERBY-3626
>             Project: Derby
>          Issue Type: Bug
>         Environment: Windows XP
> java version "1.5.0_13"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_13-b05)
> Java HotSpot(TM) Client VM (build 1.5.0_13-b05, mixed mode, sharing)
>            Reporter: Martin Zaun
>            Priority: Minor
>         Attachments: comments_test_fail.sql, comments_test_ok.sql
>
>
> Testing DERBY-1749 (bracketed SQL comments) the function test org.apache.derbyTesting.functionTests.tests.lang.CommentTest pass.  However, when taking the SQL comment test queries from the function tests and running them from ij, all but one pass. 
> The failing test case is the query
>     /* a comment */ VALUES 1 ;
> which returns an error instead of the expected value "1".  See examples below and attached files.
> Strangely, this only happens on a *remote* database connection:
> ij version 10.5
> ij> connect 'jdbc:derby://localhost:1527/testdb;create=true';
> ij>  /* a comment */ VALUES 1 ;
> ERROR X0Y79: Statement.executeUpdate() cannot be called with a statement that re
> turns a ResultSet.
> ij>
> The embedded case is fine:
> ij version 10.5
> ij> connect 'jdbc:derby:/testdb;create=true';
> ij>  /* a comment */ VALUES 1 ;
> 1
> -----------
> 1
> 1 row selected
> ij>
> Since it does seem to make a difference whether to run these queries embedded orremotely and from ij or a jdbc junit client, it might be useful to extend the function tests for bracketed comments to cover more configurations.

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