Thanks - thats it - plugin fixes problem
Mark

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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