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https://issues.apache.org/jira/browse/CAY-2154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15693257#comment-15693257
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ASF GitHub Bot commented on CAY-2154:
-------------------------------------
GitHub user stariy95 opened a pull request:
https://github.com/apache/cayenne/pull/142
CAY-2154 Migrate db: queries order
Fix ensure this ordering:
- Add column before add foreign key
- Drop foreign key before drop column
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/stariy95/cayenne CAY-2154
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cayenne/pull/142.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #142
----
commit 8e5dab5763f68ff762d175a76511c3dfc0a83084
Author: Nikita Timofeev <stari...@gmail.com>
Date: 2016-11-24T13:05:30Z
CAY-2154 Migrate db: queries order
Fix ensure this ordering:
- Add column before add foreign key
- Drop foreign key before drop column
----
> Migrate db: queries order
> -------------------------
>
> Key: CAY-2154
> URL: https://issues.apache.org/jira/browse/CAY-2154
> Project: Cayenne
> Issue Type: Bug
> Components: Modeler
> Affects Versions: 4.0.M4
> Reporter: ana benko
> Assignee: Nikita Timofeev
>
> 1. Reverse Engineer db, that has eg. Salary dbEntity
> 2. Add eg. dept_id column to Salary
> 3. Add new Dept dbEntity, add id column
> 4. Join Salary and Dept entities by 1->many relationship. Save
> 5. Migrate Db, view Generated SQL tab
> -> migrate first attempts to create FK, and only then adds new column
> ALTER TABLE testdb.salary ADD FOREIGN KEY (dept_id) REFERENCES dept (id);
> ALTER TABLE testdb.salary ADD COLUMN dept_id INT;
> which results in a error
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