Author: vmassol
Date: 2008-02-05 23:50:54 +0100 (Tue, 05 Feb 2008)
New Revision: 7301
Modified:
xwiki-platform/core/branches/xwiki-core-1.2/xwiki-core/src/main/java/com/xpn/xwiki/store/migration/hibernate/R4359XWIKI1459Migrator.java
Log:
XWIKI-2074: Database Migration fails when migrating from 1.0 or older directly
to 1.2 without going through a 1.1 upgrade
Modified:
xwiki-platform/core/branches/xwiki-core-1.2/xwiki-core/src/main/java/com/xpn/xwiki/store/migration/hibernate/R4359XWIKI1459Migrator.java
===================================================================
---
xwiki-platform/core/branches/xwiki-core-1.2/xwiki-core/src/main/java/com/xpn/xwiki/store/migration/hibernate/R4359XWIKI1459Migrator.java
2008-02-05 20:12:00 UTC (rev 7300)
+++
xwiki-platform/core/branches/xwiki-core-1.2/xwiki-core/src/main/java/com/xpn/xwiki/store/migration/hibernate/R4359XWIKI1459Migrator.java
2008-02-05 22:50:54 UTC (rev 7301)
@@ -82,7 +82,13 @@
Statement stmt = session.connection().createStatement();
ResultSet rs;
try {
- rs = stmt.executeQuery("select XWD_ID, XWD_ARCHIVE,
XWD_FULLNAME from xwikidoc where XWD_ARCHIVE is not null order by XWD_VERSION");
+ // We place an empty character in archives for
documents that have already been migrated so
+ // that we can re-execute this migrator and not start
over.
+ // Note that we cannot use NULL since in old databases
(prior to 1.1) the XWD_ARCHIVE column
+ // had a not null constraint and since this column has
disappeared in 1.2 and after, the
+ // hibernate update script will not have modified the
nullability of it...
+ // (see http://jira.xwiki.org/jira/browse/XWIKI-2074).
+ rs = stmt.executeQuery("select XWD_ID, XWD_ARCHIVE,
XWD_FULLNAME from xwikidoc where (XWD_ARCHIVE is not null and XWD_ARCHIVE <> '
') order by XWD_VERSION");
} catch (SQLException e) {
// most likely there is no XWD_ARCHIVE column, so
migration is not needed
// is there easier way to find what column is not
exist?
@@ -91,7 +97,7 @@
Transaction originalTransaction =
((XWikiHibernateVersioningStore)context.getWiki().getVersioningStore()).getTransaction(context);
((XWikiHibernateVersioningStore)context.getWiki().getVersioningStore()).setSession(null,
context);
((XWikiHibernateVersioningStore)context.getWiki().getVersioningStore()).setTransaction(null,
context);
- PreparedStatement deleteStatement =
session.connection().prepareStatement("update xwikidoc set XWD_ARCHIVE=null
where XWD_ID=?");
+ PreparedStatement deleteStatement =
session.connection().prepareStatement("update xwikidoc set XWD_ARCHIVE=' '
where XWD_ID=?");
while (rs.next()) {
if (LOG.isInfoEnabled()) {
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