In migration, added preconditions for table alterations. Also fixed a…

… test. git-svn-id: https://svn.codehaus.org/grails/trunk@8893 1cfb16fd-6d17-0410-8ff1-b7e8e1e2867d
grails-samples · Mar 13, 2009 · c61947d · c61947d
1 parent 102af84
commit c61947d
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diff --git a/migrations/Rhyolight/PluginPortalCommentsMigration.groovy b/migrations/Rhyolight/PluginPortalCommentsMigration.groovy
@@ -1,4 +1,11 @@
 changeSet(id:'PluginPortalComments', author:'Rhyolight') {
+    preConditions {
+        and {
+            tableExists(schemaName:'grails', tableName:'blog_entry_comment')
+            columnExists(schemaName:'grails', tableName:'comment', columnName:'email')
+            columnExists(schemaName:'grails', tableName:'comment', columnName:'poster')
+        }
+    }
     dropTable(tableName:'blog_entry_comment')
     dropColumn(tableName:'comment', columnName:'email')
     dropColumn(tableName:'comment', columnName:'poster')
@@ -11,20 +18,43 @@ changeSet(id:'IncreaseCommentBodySize', author:'Rhyolight') {
 }
 
 changeSet(id:'IntegrateTaggablePlugin', author:'Rhyolight') {
+    preConditions {
+        and {
+            tableExists(schemaName:'grails', tableName:'plugin_tags')
+            tableExists(schemaName:'grails', tableName:'tag')
+        }
+    }
     dropTable(tableName:'plugin_tags')
     dropTable(tableName:'tag')
 }
 
 changeSet(id:'IntegrateCommentablePlugin', author:'Rhyolight') {
+    preConditions {
+        and {
+            tableExists(schemaName:'grails', tableName:'content_comment')
+            tableExists(schemaName:'grails', tableName:'plugin_comment')
+            columnExists(schemaName:'grails', tableName:'comment', columnName:'user_id')
+        }
+    }
     dropTable(tableName:'content_comment')
     dropTable(tableName:'plugin_comment')
     dropColumn(tableName:'comment', columnName:'user_id')
 }
 
 changeSet(id:'UpdateTaggableTagLink', author:'Rhyolight') {
+    preConditions {
+        and {
+            columnExists(schemaName:'grails', tableName:'tag_links', columnName:'tag_class')
+        }
+    }
     dropColumn(tableName:'tag_links', columnName:'tag_class')
 }
 
 changeSet(id:'IntegrateRateablePlugin', author:'Rhyolight') {
+    preConditions {
+        and {
+            tableExists(schemaName:'grails', tableName:'rating')
+        }
+    }
     dropTable(tableName:'rating')
 }
diff --git a/test/unit/org/grails/plugin/PluginTests.groovy b/test/unit/org/grails/plugin/PluginTests.groovy
@@ -4,6 +4,7 @@ package org.grails.plugin
  */
 
 import grails.test.GrailsUnitTestCase
+import org.grails.rateable.Rating
 
 class PluginTests extends GrailsUnitTestCase {