Hi Andreas,

Thanks for your quick response. Your suggestion is awesome. Really
appreciate it.

However I have just found a specific method and param provided in H2DB to
resolve my issue. There is a RunScript.execute method provided with an
option to continue execution even if there is an error. The syntax is like
below:

execute
<http://www.h2database.com/javadoc/org/h2/tools/RunScript.html#execute-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.nio.charset.Charset-boolean->(java.lang.String
url,
java.lang.String user, java.lang.String password,
java.lang.String fileName, java.nio.charset.Charset charset,
boolean continueOnError)

The last boolean parameter for *continueOnError set to true *is allowing me
to run the rest of the queries in the script.


Thanks,
Balamurali


On Thu, May 26, 2022 at 12:26 PM Andreas Reichel <
andr...@manticore-projects.com> wrote:

> On Wed, 2022-05-25 at 22:25 -0700, 'Balamurali Krishna Ippili' via H2
> Database wrote:
>
> Hi Team,
>
> We have a requirement where we are executing an sql script on h2 db and
> there is a primary key constraint on the table and if there is any single
> failure in the script is stop executing the rest of the script. How can we
> allow the java program to ignore the failed query and continue with rest of
> the script execution?
>
>
> Greetings,
>
> while I am not a H2 developer, but just a user I would like to advise the
> following approach:
>
> 1) Do not rely on ignoring duplicates, but filter for distinct by using
> GROUP BY and Min(_rowid_) or Max(_rowid)
>
> 2) Example:
>
> DELETE FROM cfe.instrument_attribute
> WHERE ( id_instrument, id_attribute, _rowid_ ) IN ( SELECT  id_instrument
>                                                             , id_attribute
>                                                             , Min( _rowid_ )
>                                                     FROM 
> cfe.instrument_attribute
>                                                     GROUP BY    id_instrument
>                                                                 , id_attribute
>                                                     HAVING Count( * ) > 1 )
> ;
>
>
> The example above would ensure a *UNBIQUE KEY (id_instrument,
> id_attribute)* in table *cfe.instrument_attribute* (although you would
> need to repeat that delete until no row is returned).
>
> Good luck
> Andreas
>
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