I’m curious about the actual context in which such a comparison is being performed. In particular, is the comparison between two active databases across separate connections?, separate vendors?. Or is this a check that the jooQ connected db matches some static definition?
> On Oct 12, 2020, at 11:54 AM, Megan A <[email protected]> wrote: > > Yes! That's what I wanted. I must have been confused because to do this > manually I had to query the "INFORMATION_SCHEMA" table. > > In the grand scheme of things though what I really need is this: > https://blog.jooq.org/category/migrations/ > <https://blog.jooq.org/category/migrations/> > > So I can do to something like this: > > ctx.meta( > "create table t (i int)" > ).diff(ctx.meta( > "create table t (" > + "i int not null, " > + "j int null, " > + "primary key (i))" > )) > > But it looks like that is still in development. So I have to look at what > columns are in the DB and add the ones that are missing. > > On Monday, October 12, 2020 at 9:53:40 AM UTC-7 [email protected] > <http://gmail.com/> wrote: > Hi Megan, > > Thanks for reporting those NPE. I'll look into this ASAP. There should > obviously be more meaningful error messages. > > In any case, what are you trying to do with those method calls? > DSLContext::informationSchema turns jOOQ meta data into the JAXB annotated > information schema format, which can be exported as XML. Since you're calling > InformationSchema::getColumns on it, I'd say you might be more interested in > calling something like > > for (Table table : context.meta().getTables("MY_TABLE_NAME")) { > Field<?>[] fields = table.fields(); > } > > On Mon, Oct 12, 2020 at 6:25 PM Megan A <[email protected] > <applewebdata://60CD202B-D07D-4C38-BD36-C63DA2D6A17B>> wrote: > Hi Lukas, > > So I've run into an NPE when doing the following: > > context.informationSchema(table(name("MY_TABLE_NAME"))).getColumns(); > > The NPE seems to be coming from lines 98 -99 in InformationSchemaExport > > for (Schema s : includedSchemas) > includedCatalogs.add(s.getCatalog()); > > If I force in a schema: > > context.informationSchema(table(name("MY_HARD_CODED_SCHEMA", > "MY_TABLE_NAME"))).getColumns(); > > I get an NPE just a few lines later. > > for (Catalog c : includedCatalogs) > exportCatalog0(result, c); > > Are my Settings (above) incorrect? Changing "render catalog" above does > nothing to change the behavior? > > I have the same issues using meta(). > > Thanks :) > > > On Thursday, October 8, 2020 at 12:53:32 AM UTC-7 [email protected] > <applewebdata://60CD202B-D07D-4C38-BD36-C63DA2D6A17B> wrote: > Hi Megan, > > DSL.table(String) is part of the plain SQL templating APIs, whereas > DSL.table(Name) constructs a table from an identifier. The purpose of the > plain SQL templating API is to be able to construct templates for features > that jOOQ doesn't support, such as e.g. > > context.selectFrom(table("some_table_valued_function(x <fancy_operator> > y)")).fetch(); > > More information about plain SQL templating can be found here: > https://www.jooq.org/doc/latest/manual/sql-building/plain-sql/ > <https://www.jooq.org/doc/latest/manual/sql-building/plain-sql/> > https://www.jooq.org/doc/latest/manual/sql-building/plain-sql-templating/ > <https://www.jooq.org/doc/latest/manual/sql-building/plain-sql-templating/> > > We cannot assume that the template is simply an identifier. And because we > don't know what's in there, we cannot parse it either, we might not > understand its syntax. Now, there are some APIs, mainly the DDL APIs, where > templates never make sense. In those cases, the String overloads of the DSL > correspond to passing a Name instance, not a template (org.jooq.SQL) instance. > > This blog post here wraps it up nicely. What’s a “String” in the jOOQ API? > https://blog.jooq.org/2020/04/03/whats-a-string-in-the-jooq-api/ > <https://blog.jooq.org/2020/04/03/whats-a-string-in-the-jooq-api/> > > Regarding your questions: > > 1. There is actually no schema set by default. So the replacement was trying > to match "empty", is there a better way of doing this? > > You can also match the empty string, using > > new MappedSchema().withInput("").withOutput("x") > > In your case, the mapping will obviously apply to all schemas, which might > not be desired depending on how you aim to implement this. Of course, if > you're constructing identifiers throughout your application, there might be a > way to abstract over these identifiers already from within your application > and automatically add the right schema name to the identifier, e.g. by using > > table(name(schemaName, tableName)) > > 2. Is this the best way to get support? We have a licence and are using > SQLServer and I'm having issues around temp tables. > > This is a good way to get support. A lot of people read this mailing list, > and if you have a question that is more about how to best put jOOQ into use > in some scenarios, there might be someone who has an idea of how they built > things. Other alternatives for community support (where we also reply) are: > > - Stack Overflow https://stackoverflow.com/questions/tagged/jooq > <https://stackoverflow.com/questions/tagged/jooq> > - Github https://github.com/jOOQ/jOOQ/issues/new/choose > <https://github.com/jOOQ/jOOQ/issues/new/choose> > - Reddit https://www.reddit.com/r/jOOQ <https://www.reddit.com/r/jOOQ> > > An advantage of the above community support channels is that it's public, so > as in your case, a coworker can continue the discussion easily. > > You can also send an email to our commercial support email address, which > gives you access to our professional support. Benefits of that are guaranteed > reaction times, although we usually respond quite fast on the community > support channels as well, and 1:1 support, in case you need to share > confidential information, for which the community support channel is not a > good place. > > Pick the one that you feel suits you the most. > > On Wed, Oct 7, 2020 at 8:06 PM Megan A <megan....@ <>gmail.com > <http://gmail.com/>> wrote: > Hi Lukas, > > I'm working on this issue. Thanks to Greg for starting his conversation. I > switched from: > > context.mergeInto(table(tableName), columnNames) > > to > > context.mergeInto(table(name(tableName)), columnNames) > > And it seems to be working now! Is there a reason table() would not do a > name()? > > Two things: > > 1. There is actually no schema set by default. So the replacement was trying > to match "empty", is there a better way of doing this? > 2. Is this the best way to get support? We have a licence and are using > SQLServer and I'm having issues around temp tables. > > Thanks so much for your help, > > Megan > > On Wednesday, October 7, 2020 at 12:48:33 AM UTC-7 lukas...@ <>gmail.com > <http://gmail.com/> wrote: > Hi Greg, > > Thanks for your message. There's nothing wrong with your setup. This should > work for DDL and DML alike. There is one caveat I can think of, though. How > do you create your DML statements? If you're using plain SQL templating API > (https://www.jooq.org/doc/latest/manual/sql-building/plain-sql-templating/ > <https://www.jooq.org/doc/latest/manual/sql-building/plain-sql-templating/>), > then schema mapping does not apply, because we don't parse the templates. You > can recognise plain SQL templating API as it is annotated with > org.jooq.PlainSQL. In that case, you probably should use DSL.name() to > construct your identifiers instead. > > Note, I would recommend using "^.*$" as a pattern to prevent generating > MY_SCHEMAMY_SCHEMA as can be shown here: > > jshell> "abc".replaceAll(".*+", "xyz") > $1 ==> "xyzxyz" > > jshell> "abc".replaceAll("^.*$", "xyz") > $2 ==> "xyz" > > Thanks, > Lukas > > On Wed, Oct 7, 2020 at 7:03 AM Greg Nielsen <greg.n...@ <>m-six.com > <http://m-six.com/>> wrote: > Hello, > > Using jOOQ Professional, we are writing to a SQL Server instance. We're > finding that only the DDL statements (eg create tables) seem to honor the > MY-SCHEMA mapped schema, while the DML (eg inserts) is not. > > We're initializing our Settings object with: > > > @Bean > public Settings settings() { > return new Settings() > .withRenderCatalog(true) > .withRenderSchema(true) > .withRenderMapping(new RenderMapping() > .withSchemata(new MappedSchema() > .withInputExpression(Pattern.compile(".*+")) > .withOutput("MY_SCHEMA")) ); > } > I believe we're runing 3.13 - is there an additional setting we need to be > configuring? > > Let me know what other info might be helpful. > > Thanks, > Greg > > -- > You received this message because you are subscribed to the Google Groups > "jOOQ User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jooq-user+...@ <>googlegroups.com <http://googlegroups.com/>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jooq-user/f1597c43-6dc6-41d8-afc5-a957d9cd4b76n%40googlegroups.com > > <https://groups.google.com/d/msgid/jooq-user/f1597c43-6dc6-41d8-afc5-a957d9cd4b76n%40googlegroups.com?utm_medium=email&utm_source=footer>. > > -- > You received this message because you are subscribed to the Google Groups > "jOOQ User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jooq-user+...@ <>googlegroups.com <http://googlegroups.com/>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jooq-user/e5ce7303-78c4-4066-b618-1d2ef1123ad7n%40googlegroups.com > > <https://groups.google.com/d/msgid/jooq-user/e5ce7303-78c4-4066-b618-1d2ef1123ad7n%40googlegroups.com?utm_medium=email&utm_source=footer>. > > -- > You received this message because you are subscribed to the Google Groups > "jOOQ User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <applewebdata://60CD202B-D07D-4C38-BD36-C63DA2D6A17B>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jooq-user/b747ddcb-cdf3-4f90-9c53-86b3c1f1cc82n%40googlegroups.com > > <https://groups.google.com/d/msgid/jooq-user/b747ddcb-cdf3-4f90-9c53-86b3c1f1cc82n%40googlegroups.com?utm_medium=email&utm_source=footer>. > > -- > You received this message because you are subscribed to the Google Groups > "jOOQ User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jooq-user/465bb79b-f1e9-414c-acdd-e182218dcb3an%40googlegroups.com > > <https://groups.google.com/d/msgid/jooq-user/465bb79b-f1e9-414c-acdd-e182218dcb3an%40googlegroups.com?utm_medium=email&utm_source=footer>. -- You received this message because you are subscribed to the Google Groups "jOOQ User Group" group. 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