Ah, thanks for verifying that. It turns out that mysqldump had generated
in-comment directives like
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;

which (as you can see) are ended with a semicolon. It appears that H2 will
ignore the comment, but if the trailing semicolon is present, the parser
will abort.

Syntax error in SQL statement "
 ;[*] "; SQL statement:
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */; [42000-172]

I had taken this to mean that type of comment was not supported.


Thanks,
Patrick


On Wed, Jul 17, 2013 at 6:35 PM, Thomas Mueller <
[email protected]> wrote:

> Hi,
>
> > C-style (/**/) comments are also rejected
>
> Actually, H2 supports them (meaning, it is threaded as a comment and
> ignored). Example:
>
>     select * from test /* comment */
>
> Regards,
> Thomas
>
>
> On Wednesday, July 17, 2013, Patrick Wright wrote:
>
>> Hi Noel,
>>
>> thanks for clarifying what SET REFERENTIAL_INTEGRITY FALSE does in H2.
>>
>>  Note that we already support a lot of MySQL-specific syntax, like the
>>> "ENGINE=" stuff, which we just ignore.
>>>
>>
>> There are some part of the CREATE TABLE syntax that are not skipped,
>> which is what I was referring to; I will open a low-priority ticket to
>> track these. For example
>> CREATE TABLE x....) ENGINE=INNODB;
>>
>> is accepted, but
>> CREATE TABLE x....) ENGINE=INNODB DEFAULT CHARSET=latin1;
>>
>> is rejected. Similarly, C-style (/**/) comments are also rejected. These
>> appear in some dumps to specify MySQL-specific database settings, such as
>> in
>> /*!40101 SET character_set_client = @saved_cs_client */;
>>
>> That said, I've been able to use H2 successfully for unit-testing on
>> previous projects that targeted MySQL. Apart from minor problems in SQL
>> syntax the support was fantastic and I have been recommending H2 to my
>> colleagues for some time now. It's a great piece of work. I'm really not
>> writing to complain, but to understand what the limits of the MySQL mode
>> are.
>>
>>
>>>
>>> You could try getting a schema dump where the constraints are specified
>>> out-of-line, that might make it easier to apply.
>>>
>>> This is what I will try next.
>>
>> Best,
>> Patrick
>>
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