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Re : Ant task updates

April 11, 2014, 1:48 pm
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Sorry for the slow response, I always appreciate any help. 

For now, I'm thinking we should keep the ant code in liquibase-core and reduce the error messages if Ant is not available. I don't think the additional jar to manage is worth it for the ant support. 

General improvements to the Ant codebase would be great. There is some functionality that have not made it into Ant yet, and general improved code is always good. Send a pull request when you are ready or if you have questions part way though.

Nathan
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Re : generateChangeLog ignores foreign keys, DB engine types (InnoDB)

April 11, 2014, 1:51 pm
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The foreign keys are between InnoDB tables? I don't remember off hand if myisam stores FK metadata even though they don't support FKs. 

Also, are they between tables in different databases/schemas? Or all in the same database?

Unfortunately the DBEngine is database-specific functionality that is not captured in liquibase and so needs to be added yourself. The generateChangeLog logic tries to handle normal cross-database features but doesn't yet get into more unique attributes.

Nathan
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Re : int array type for HQSLDB

April 11, 2014, 1:51 pm
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You can also use <modifySql> to replace portions of the generated SQL if you don't want to re-write the entire SQL.

Nathan
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Re : New Extension: Liquibase Vertica support

April 11, 2014, 1:52 pm
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Thanks for the work on the extension!

Nathan
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Re : Custom Extensions not available in OSGi build

April 11, 2014, 1:57 pm
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Re : Enhancing Main.java to help other programs call it.

April 11, 2014, 1:58 pm
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Thanks, I'll take a look! Has been hectic for me as well so it may be a little bit until I get to it.

Nathan
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Re : Fluent interface pattern (setter returning 'this') conflicts with JSF

April 11, 2014, 2:02 pm
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With your workaround, did it still look like the problem was caused by the setters returning "this" ?

Nathan
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Re : Slow query performance on Oracle using ALL_TABLES and ALL_TAB_COMMENTS

April 11, 2014, 2:07 pm
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Re : Memory consumption for large files

April 11, 2014, 2:13 pm
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The fix from 1509 is in 3.1.1 as well. I haven't seen any memory issues with 3.1.1 lately.

Would you be able to provide a memory dump I could look at to determine where the problem is?

Nathan
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Re : Fluent interface pattern (setter returning 'this') conflicts with JSF

April 11, 2014, 2:25 pm
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Unfortunately, yes.


What I did was an "abstraction of getters/setters", for example with AddColumn that I needed to use "defaultValue" with Expression Language:

I had to create a AddColumnExt class with has:
  • an attribute called instance, that is the original AddColumn object;
  • getter that returns instance.getDefaultValue();
  • void setter(String value) that calls instance.setDefaultValue passing value as parameter.

Using that approach, I can use expression language normally, like:

<h:inputText value="#{myBean.addColumnField.defaultValue}" /> 

And when it's possible to bind, I do:

<h:inputText value="#{myBean.addColumnField.instance.someField}" /> 
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Re : Fluent interface pattern (setter returning 'this') conflicts with JSF

April 11, 2014, 3:47 pm
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That is disappointing it causes problems. I don't think I'll change the interface at this point because it makes other interactions much easier and would be a breaking API change for people.

If there is enough problems from others I may look for alternative solutions.

Nathan
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Re : Making add/dropColumn and create/dropTable more defensive

April 11, 2014, 3:57 pm
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This is actually very similar to functionality I just started adding. I'm experimenting with adding verifyUpdate, verifyUpdateDetails, verifyRollback and verifyRollbackDetails methods to each of the change implementations with logic on how to check them. The difference between the *Details and non-details methods is that the regular method checks , for example, that a column was added while the *Details methods check all the other attributes like the data type, if it is a primary key, etc.

I am implementing it within java rather than SQL, where I use the snapshot function to grab the state of the object to check and then inspect it. The reason for this is it gives us more flexibility than what is available through SQL, but it has the limitation that we cannot embed the checks into updateSQL for example.

My initial use for the methods is for automated generative testing of change implemenations, but I see a lot of other advantages such as being able to run an update with automatic "did it run" checks, easier bootstrapping of an existing project, and more. I'm hoping to have it finished up next week and will have a pull request for people to look at.

Nathan
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Re : Release-Version of liquibase-maxdb?

April 11, 2014, 4:01 pm
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Re : setting databaseChangeLog/LockTableName via Maven Plugin

April 11, 2014, 4:04 pm
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With 3.x there is the changelogCatalogName and changelogSchemaName attributes you can use in maven to control where the databaseChangeLog table goes. Have you tried those?

Nathan
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Re : Slow query performance on Oracle using ALL_TABLES and ALL_TAB_COMMENTS

April 11, 2014, 6:07 pm
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Yes it is much faster.  Omitting that portion of the query runs in about a second.

Thank you for creating the ticket as well.

Lonny
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Re : Issues migrating from Liquibase 2.0 to 3.1

April 12, 2014, 6:37 am
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Hi
 Sorry for the delayed response. please see the below log messages from my installer logs
 
 
SEVERE 3/27/14 3:50 PM:liquibase: Cannot load class 'liquibase/snapshot/ResultSetCache$ResultSetExtractor$1.class' in classloader: java.net.URLClassLoader@1f66cff.  Reason: java.lang.IllegalAccessError: class liquibase.snapshot.ResultSetCache$ResultSetExtractor$1 cannot access its superclass liquibase.executor.jvm.ColumnMapRowMapper
java.lang.IllegalAccessError: class liquibase.snapshot.ResultSetCache$ResultSetExtractor$1 cannot access its superclass liquibase.executor.jvm.ColumnMapRowMapper
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
 at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
 at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:410)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.addIfMatching(DefaultPackageScanClassResolver.java:361)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.loadImplementationsInJar(DefaultPackageScanClassResolver.java:329)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.find(DefaultPackageScanClassResolver.java:207)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.find(DefaultPackageScanClassResolver.java:113)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.findImplementations(DefaultPackageScanClassResolver.java:83)
 at liquibase.servicelocator.ServiceLocator.findClassesImpl(ServiceLocator.java:170)
 at liquibase.servicelocator.ServiceLocator.findClasses(ServiceLocator.java:145)
 at liquibase.servicelocator.ServiceLocator.findClass(ServiceLocator.java:109)
 at liquibase.servicelocator.ServiceLocator.newInstance(ServiceLocator.java:158)
 at liquibase.logging.LogFactory.getLogger(LogFactory.java:17)
 at liquibase.logging.LogFactory.getLogger(LogFactory.java:30)
 at liquibase.integration.commandline.Main.doMigration(Main.java:599)
 at liquibase.integration.commandline.Main.main(Main.java:116)
 
SEVERE 3/27/14 3:50 PM:liquibase: Cannot load class 'liquibase/lockservice/StandardLockService.class' in classloader: java.net.URLClassLoader@1f66cff.  Reason: java.lang.IncompatibleClassChangeError: Implementing class
java.lang.IncompatibleClassChangeError: Implementing class
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
 at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
 at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:410)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.addIfMatching(DefaultPackageScanClassResolver.java:361)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.loadImplementationsInJar(DefaultPackageScanClassResolver.java:329)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.find(DefaultPackageScanClassResolver.java:207)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.find(DefaultPackageScanClassResolver.java:113)
 at liquibase.servicelocator.DefaultPackageScanClassResolver.findImplementations(DefaultPackageScanClassResolver.java:83)
 at liquibase.servicelocator.ServiceLocator.findClassesImpl(ServiceLocator.java:170)
 at liquibase.servicelocator.ServiceLocator.findClasses(ServiceLocator.java:145)
 at liquibase.servicelocator.ServiceLocator.findClass(ServiceLocator.java:109)
 at liquibase.servicelocator.ServiceLocator.newInstance(ServiceLocator.java:158)
 at liquibase.logging.LogFactory.getLogger(LogFactory.java:17)
 at liquibase.logging.LogFactory.getLogger(LogFactory.java:30)
 at liquibase.integration.commandline.Main.doMigration(Main.java:599)
 at liquibase.integration.commandline.Main.main(Main.java:116)
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Re : Making add/dropColumn and create/dropTable more defensive

April 12, 2014, 8:22 am
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Re : Release-Version of liquibase-maxdb?

April 14, 2014, 3:53 am
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OK, thanks. If that can be fixed within liquibase-core then the extension is fine as far as I can tell.

BTW: will that really be 3.2.0 or rather 3.1.2? For easier consumption on our side I'd favour the micro-change (threes some legal stuff that we have to go through for even minor version increases...)

Thanks,
Marc
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How to use onSqlOutput in formatted sql mode

April 14, 2014, 10:06 am
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Hi 
I'm using Liquibase in "formatted sql" mode (not XML syntax). I want each change set to have a precondition which is checked when generating the SQL using updateSQL. I tried the folowing syntax using "onSqlOutput:TEST", but it does not work:

--liquibase formatted sql

--changeset mike:32
--preconditions onSqlOutput:TEST onFail:HALT onError:HALT
--precondition-sql-check expectedResult: <here comes my SQL condition>

By the way, when using update (instead of updateSQL) it works as expected.

Thanks for any help,
Mike
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Re : How to use onSqlOutput in formatted sql mode

April 14, 2014, 4:45 pm
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Try onUpdateSql insetad of onSqlOuptut:

--changeset mike:32
--preconditions onUpdateSql:TEST onFail:HALT onError:HALT
--precondition-sql-check expectedResult: <here comes my SQL condition>

Nathan
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