Add support for "ALTER TABLE MODIFY COLUMN ..." requests
--------------------------------------------------------

         Key: SEQUOIA-866
         URL: https://forge.continuent.org/jira/browse/SEQUOIA-866
     Project: Sequoia
        Type: Improvement
  Components: Core  
    Versions: Sequoia 3.0 beta1, Sequoia 2.10.2    
 Environment: MySQL 4.10
    Reporter: Emmanuel Cecchet
 Assigned to: Emmanuel Cecchet 
     Fix For: Sequoia 3.0 beta 2


Reported by Waseem Taj <[EMAIL PROTECTED]> on the Sequoia mailing list:

We are currently assessing the feasibilty of using Sequoia for load balancing 
and failover.  We are using Sequoia 2.10.2 and MySQL 4.10 database . Using 
MySQL driver, I can run the sql statement "ALTER TABLE MODIFY COLUMN ......", 
however same statement fails using Sequoia driver with the following error:
 
Caused by: org.continuent.sequoia.common.exceptions.driver.DriverSQLException: 
Message of cause: Malformed Alter Request. No drop or add condition
        at 
org.continuent.sequoia.driver.Connection.statementExecute(Connection.java:3012)
        at org.continuent.sequoia.driver.Statement.execute(Statement.java:424)
        at 
org.continuent.sequoia.driver.PreparedStatement.execute(PreparedStatement.java:901)
        at 
org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:168)
        at 
com.youdevise.ids.persist.FullAccessPersistenceManager.update(FullAccessPersistenceManager.java:829)
        ... 17 more


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