Hi
I'm still battling with my probably quite non-standard setup where I try to
create my jooq model from JPA via H2Database so it will be compatible with
mysql.
So I create an H2 database with the following
url
jdbc:h2:mem:testdb;MODE=MYSQL;DATABASE_TO_LOWER=TRUE;CASE_INSENSITIVE_IDENTIFIERS=TRUE
then I let hibernate create tables and then I feed the database into jooq
generator (using the H2Database).
This means that all tables/schemas are created with lower case identifiers.
What then happens is that code generation fails with:
ERROR org.jooq.meta.AbstractDatabase - Could not load schemata
org.jooq.exception.DataAccessException: SQL [select
"INFORMATION_SCHEMA"."SCHEMATA"."SCHEMA_NAME",
"INFORMATION_SCHEMA"."SCHEMATA"."REMARKS" from
"INFORMATION_SCHEMA"."SCHEMATA"]; Schema "INFORMATION_SCHEMA" not found;
SQL statement:
select "INFORMATION_SCHEMA"."SCHEMATA"."SCHEMA_NAME",
"INFORMATION_SCHEMA"."SCHEMATA"."REMARKS" from
"INFORMATION_SCHEMA"."SCHEMATA" [90079-199]
I narrowed it down to H2 being case sensitive when using quoted
identifiers, If I remove all the quotes the query runs.
Question is if you would consider a PR that changes H2Database.create0()
method from:
@Override
protected DSLContext create0() {
return DSL.using(getConnection(), SQLDialect.H2);
}
into something like
@Override
protected DSLContext create0() {
return DSL.using(getConnection(), SQLDialect.H2, new
Settings().withRenderQuotedNames(RenderQuotedNames.EXPLICIT_DEFAULT_UNQUOTED));
}
I would expect it to be safe since this context is only used internally in
the H2Database class and it only works on system tables that do not have
funny names that need quoting.
Or am I going around the the wrong way.
I tried building jooq locally with above change and the fixes my issue.
I did manage to work around the issue by using new
Settings().withRenderNameCase(RenderNameCase.LOWER) when accessing the
mysql database, but I also think the proposed code change makes the
H2Database more robust against different H2 configurations.
Best regards Jens
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