Re: Migration bug?
Re: Migration bug?
- Subject: Re: Migration bug?
- From: Chuck Hill <email@hidden>
- Date: Sat, 2 Jan 2010 16:31:37 -0800
One problem is that this plugin may only build under 5.4. Which is
why it has not yet been added to Wonder.
On Jan 2, 2010, at 2:01 PM, Ray Kiddy wrote:
On Jan 2, 2010, at 10:18 AM, Mark Woollard wrote:
Thanks - thats it - plugin fixes problem
Mark
It occurs to me that we can have ERXApplication, at
applicationDidLaunch time or thereabouts, check (1) are your models
using MySQL? and (2) are you using 5.3 or 5.4? and then we could
switch the plugin in the connection dictionary of the loaded models.
Or is this a road we might not want to start going down?
- ray
On 2 Jan 2010, at 17:29, Mike Schrag wrote:
WO 5.4 breaks sql generation ... you need to use the custom mysql
plugin that has been posted on the wonder list.
ms
On Jan 2, 2010, at 12:23 PM, Mark Woollard wrote:
Am using Wonder Project migration for the first time. The initial
database creation works but am now trying to add a single column
as the second revision of the database. When running application
am getting error as follows:
Jan 02 17:13:28 TheApp[53817] INFO
er.extensions.jdbc.ERXJDBCUtilities - Executing alter table
t_position null c_abbreviation longtext NOT NULL
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - evaluateExpression:
<com.webobjects.jdbcadaptor.MySQLPlugIn$MySQLExpression: "UPDATE
_dbupdater SET lockowner = NULL, updatelock = ? WHERE modelname
= ?" withBindings: 1:0(updateLock), 2:"MockDraft"(modelName)>
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Commit Internal
Transaction
Jan 02 17:14:11 TheApp[53817] DEBUG NSLog - === Begin Internal
Transaction
Jan 02 17:14:20 TheApp[53817] DEBUG NSLog - === Rollback
Internal Transaction
Jan 02 17:14:36 TheApp[53817] ERROR
er.extensions.appserver.ERXApplication - TheApp failed to start.
MySQLSyntaxErrorException: You have an error in your SQL syntax;
check the manual that corresponds to your MySQL server version
for the right syntax to use near 'null c_abbreviation longtext
NOT NULL' at line 1
The database is mysql, and it seems to me that the alter
statement is incorrect on the first line of the log, there should
be 'add column' rather than 'null'. The migration class is as
follows:
public class DbVersion1 extends Migration {
@Override
public void downgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
database
.existingTableNamed
("t_position").existingColumnNamed("c_abbreviation").delete();
}
@Override
public void upgrade(EOEditingContext ec, ERXMigrationDatabase
database)
throws Throwable {
ERXMigrationTable table =
database.existingTableNamed("t_position");
table.newStringColumn("c_abbreviation", false, "");
}
}
The new column is using the varchar10 prototype. Am stuck as
can't see why the sql is being generated incorrectly. Anyone have
any ideas?
Thanks
Mark
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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