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https://issues.apache.org/jira/browse/CLOUDSTACK-10278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16389686#comment-16389686
 ] 

ASF GitHub Bot commented on CLOUDSTACK-10278:
---------------------------------------------

rhtyd commented on a change in pull request #2479: CLOUDSTACK-10278: Introduce 
Flyway migration on CloudStack database
URL: https://github.com/apache/cloudstack/pull/2479#discussion_r172878095
 
 

 ##########
 File path: engine/schema/pom.xml
 ##########
 @@ -48,5 +48,10 @@
       <artifactId>cloud-framework-db</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>org.flywaydb</groupId>
+      <artifactId>flyway-core</artifactId>
+      <version>5.0.7</version>
 
 Review comment:
   @ustcweizhou can you move the version to root level pom.

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> Adding a SQL table column is not Idempotent
> -------------------------------------------
>
>                 Key: CLOUDSTACK-10278
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10278
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>          Components: Install and Setup
>    Affects Versions: 4.10.0.0, 4.11.0.0
>            Reporter: Ernie Janse van Rensburg
>            Assignee: Ernie Janse van Rensburg
>            Priority: Major
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> The SQL code to add a new column to a table in the 
> META-INF/db/schema-41000to41100.sql script is not written in an idempotent 
> way. When the upgrade is re-run, the code above causes a SQL error as 
> reported on the user mailing list: 
> ERROR [c.c.u.d.ScriptRunner] (main:null) (logid:)
> Error executing: ALTER TABLE cloud.network_offerings ADD COLUMN for_vpc
> INT(1) NOT NULL DEFAULT 0
> This is a more generic problem for every version due to to the fact that it 
> is not idempotent
>  



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