Merge branch 'master' of github.com:ASKBOT/askbot-devel

11 files changed, 593 insertions, 87 deletions

diff --git a/askbot/media/style/style.css b/askbot/media/style/style.css
index 3abbd362..79bc422b 100644
--- a/askbot/media/style/style.css
+++ b/askbot/media/style/style.css
@@ -139,6 +139,9 @@ blockquote {
   padding: 10px 0px 1px 10px;
   background-color: #F5F5F5;
 }
+html {
+  overflow-y: scroll;
+}
 /* http://pathfindersoftware.com/2007/09/developers-note-2/ */
 * html .clearfix,
 * html .paginator {
@@ -444,6 +447,7 @@ body.user-messages {
 #searchBar .searchInputCancelable {
   font-size: 26px;
   height: 39px;
+  line-height: 39px;
   font-weight: 300;
   background: #FFF;
   border: 0px;
@@ -484,6 +488,7 @@ body.user-messages {
   color: #ce8888;
   background: #fff;
   height: 42px;
+  line-height: 42px;
   border: 0px;
   border-left: #deded0 1px solid;
   text-align: center;
@@ -661,6 +666,7 @@ body.anon #searchBar .searchInputCancelable {
   padding-left: 5px;
   border: #c9c9b5 1px solid;
   height: 25px;
+  line-height: 25px;
   font-size: 14px;
 }
 .box .inputs #ab-tag-search {
@@ -1434,8 +1440,8 @@ ul#related-tags li {
 }
 #askFormBar .questionTitleInput {
   font-size: 24px;
-  line-height: 24px;
   height: 36px;
+  line-height: 36px;
   margin: 0px;
   padding: 0px 0 0 5px;
   border: #cce6ec 3px solid;
@@ -1501,6 +1507,7 @@ ul#related-tags li {
 .edit-answer-page #id_post_author_email {
   border: #cce6ec 3px solid;
   height: 25px;
+  line-height: 25px;
   padding-left: 5px;
   font-size: 14px;
   width: 186px;
@@ -1815,6 +1822,24 @@ ul#related-tags li {
 .wmd-preview IMG {
   max-width: 600px;
 }
+.defaultSkin table.mceLayout,
+.defaultSkin table.mceLayout tr.mceFirst td {
+  border: none;
+}
+.defaultSkin table.mceLayout tr.mceLast td {
+  border-bottom: none;
+}
+.mceStatusbar {
+  height: 5px;
+  background: #fff;
+}
+.defaultSkin span.mce_askbot_imageuploader {
+  background-position: -380px 0px;
+}
+.defaultSkin span.mce_askbot_attachment {
+  background-image: url(../images/attachment.png);
+  background-position: 0px 0px;
+}
 .user-page .wmd-buttons {
   width: 725px;
 }
@@ -2053,16 +2078,24 @@ ul#related-tags li {
 }
 .question-page .post-controls .question-delete,
 .question-page .answer-controls .question-delete {
-  background: url(../images/delete.png) no-repeat center left;
+  background: url(../images/delete.png) no-repeat left 2px;
   padding-left: 11px;
 }
 .question-page .post-controls .question-flag,
 .question-page .answer-controls .question-flag {
   background: url(../images/flag.png) no-repeat center left;
 }
+.question-page .post-controls .answer-publish,
+.question-page .answer-controls .answer-publish {
+  background: url(../images/publish.png) no-repeat center left;
+}
+.question-page .post-controls .answer-unpublish,
+.question-page .answer-controls .answer-unpublish {
+  background: url(../images/unpublish.png) no-repeat 2px center;
+}
 .question-page .post-controls .question-edit,
 .question-page .answer-controls .question-edit {
-  background: url(../images/edit2.png) no-repeat center left;
+  background: url(../images/edit2.png) no-repeat 2px center;
 }
 .question-page .post-controls .question-retag,
 .question-page .answer-controls .question-retag {
@@ -2607,6 +2640,7 @@ ul#related-tags li {
 .user-profile-page select {
   border: #cce6ec 3px solid;
   height: 25px;
+  line-height: 25px;
   padding-left: 5px;
   width: 395px;
   font-size: 14px;
@@ -2886,11 +2920,10 @@ a:hover.medal {
 /* profile page */
 .tabBar-profile {
   width: 100%;
-  margin-bottom: 15px;
+  margin-bottom: 5px;
   float: left;
 }
 .user-profile-page {
-  font-size: 13px;
   color: #525252;
 }
 .user-profile-page p {
@@ -3301,7 +3334,7 @@ table.ab-subscr-form {
 }
 .errors {
   line-height: 20px;
-  color: red;
+  color: #990000;
 }
 .error,
 .openid-signin p.error {
@@ -4084,6 +4117,7 @@ textarea.tipped-input {
   border: none;
   font-size: 15px;
   font-color: #707070;
+  height: 16px;
   line-height: 16px;
   margin-top: 9px;
   -webkit-box-shadow: none;
diff --git a/askbot/media/style/style.less b/askbot/media/style/style.less
index a7d035ed..9e2e2a25 100644
--- a/askbot/media/style/style.less
+++ b/askbot/media/style/style.less
@@ -469,6 +469,7 @@ body.user-messages {
     .searchInput, .searchInputCancelable{
         font-size: 26px;
         height: 39px;
+        line-height: 39px;
         font-weight:300;
         background:#FFF;
         border:0px;
@@ -515,6 +516,7 @@ body.user-messages {
         color: #ce8888;
         background:#fff;
         height: 42px;
+        line-height: 42px;
         border:0px;
         border-left:#deded0 1px solid;
         text-align: center;
@@ -669,6 +671,7 @@ body.anon {
             padding-left:5px;
             border:#c9c9b5 1px solid;
             height:25px;
+            line-height:25px;
             font-size: 14px;
         }
         #ab-tag-search {
@@ -1433,8 +1436,8 @@ ul#related-tags li {
     }
     .questionTitleInput {
         font-size: 24px;
-        line-height: 24px;
         height: 36px;
+        line-height: 36px;
         margin: 0px;
         padding: 0px 0 0 5px;
         border:#cce6ec 3px solid;
@@ -1496,11 +1499,12 @@ ul#related-tags li {
 .edit-answer-page {
     #id_post_author_username,
     #id_post_author_email {
-        border:#cce6ec 3px solid;
-        height:25px;
-        padding-left:5px;
-        font-size:14px;
-        width:186px;
+        border: #cce6ec 3px solid;
+        height: 25px;
+        line-height: 25px;
+        padding-left: 5px;
+        font-size: 14px;
+        width: 186px;
     }
     #id_post_author_email {
         margin-left: 10px;
@@ -2503,6 +2507,7 @@ ul#related-tags li {
     input[type="text"],input[type="password"],select{
         border:#cce6ec 3px solid;
         height:25px;
+        line-height: 25px;
         padding-left:5px;
         width:395px;
         font-size:14px;
@@ -2564,7 +2569,7 @@ ul#related-tags li {
 #email-input-fs,#local_login_buttons,#password-fs,#openid-fs{
     margin-top:10px;
     #id_email,#id_username,#id_password{
-         font-size: 12px;
+        font-size: 12px;
         line-height: 20px;
         height: 20px;
         margin: 0px;
@@ -3974,6 +3979,7 @@ textarea.tipped-input {
         border: none;
         font-size: 15px;
         font-color: @info-text;
+        height: 16px;
         line-height: 16px;
         margin-top: 9px;
         -webkit-box-shadow: none;/* undo bootstrap glow */
diff --git a/askbot/migrations/0004_install_full_text_indexes_for_mysql.py b/askbot/migrations/0004_install_full_text_indexes_for_mysql.py
index 7c7c52f0..e484c59b 100644
--- a/askbot/migrations/0004_install_full_text_indexes_for_mysql.py
+++ b/askbot/migrations/0004_install_full_text_indexes_for_mysql.py
@@ -3,11 +3,12 @@ import os
 import datetime
 from south.db import db
 from south.v2 import DataMigration
+from django.db import connection
 from django.db import models
-from askbot.utils import mysql
 
 Q_INDEX_NAME = 'askbot_question_full_text_index'
 A_INDEX_NAME = 'askbot_answer_full_text_index'
+SUPPORTS_FTS = None
 
 NO_FTS_WARNING = """
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
@@ -18,6 +19,17 @@ NO_FTS_WARNING = """
 !!                                                  !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 """
+def supports_full_text_search():
+    global SUPPORTS_FTS
+    if SUPPORTS_FTS is None:
+        cursor = connection.cursor()
+        cursor.execute("SHOW CREATE TABLE question") # In migration 0004 model forum.Question used db table `question`
+        data = cursor.fetchone()
+        if 'ENGINE=MyISAM' in data[1]:
+            SUPPORTS_FTS = True
+        else:
+            SUPPORTS_FTS = False
+    return SUPPORTS_FTS
 
 def get_create_full_text_index_sql(index_name, table_name, column_list):
     column_sql = '(%s)' % ','.join(column_list)
@@ -35,7 +47,7 @@ class Migration(DataMigration):
         and will probably fail otherwise
         """
         if db.backend_name == 'mysql':
-            if mysql.supports_full_text_search_migr0004():
+            if supports_full_text_search():
                 #todo: extract column names by introspection
                 question_index_sql = get_create_full_text_index_sql(
                                                 Q_INDEX_NAME,
@@ -55,7 +67,7 @@ class Migration(DataMigration):
     
     def backwards(self, orm):
         "code for removal of full text indices in mysql"
-        if db.backend_name == 'mysql' and mysql.supports_full_text_search():
+        if db.backend_name == 'mysql' and supports_full_text_search():
             db.execute(
                     get_drop_index_sql(
                             Q_INDEX_NAME,
diff --git a/askbot/migrations/0154_update_postgres_user_search.py b/askbot/migrations/0154_update_postgres_user_search.py
new file mode 100644
index 00000000..54bb5c50
--- /dev/null
+++ b/askbot/migrations/0154_update_postgres_user_search.py
@@ -0,0 +1,390 @@
+# encoding: utf-8
+import askbot
+import datetime
+import os
+from askbot.search import postgresql
+from south.db import db
+from south.v2 import DataMigration
+from django.db import models
+
+class Migration(DataMigration):
+
+    def forwards(self, orm):
+        "Write your forwards methods here."
+        db_engine_name = askbot.get_database_engine_name()
+        if 'postgresql_psycopg2' in db_engine_name:
+            script_path = os.path.join(
+                                askbot.get_install_directory(),
+                                'search',
+                                'postgresql',
+                                'user_profile_search_16102012.plsql'
+                            )
+            postgresql.setup_full_text_search(script_path)
+
+
+    def backwards(self, orm):
+        "Write your backwards methods here."
+
+
+    models = {
+        'askbot.activity': {
+            'Meta': {'object_name': 'Activity', 'db_table': "u'activity'"},
+            'active_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'activity_type': ('django.db.models.fields.SmallIntegerField', [], {}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_auditted': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Post']", 'null': 'True'}),
+            'receiving_users': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'received_activity'", 'symmetrical': 'False', 'to': "orm['auth.User']"}),
+            'recipients': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'incoming_activity'", 'symmetrical': 'False', 'through': "orm['askbot.ActivityAuditStatus']", 'to': "orm['auth.User']"}),
+            'summary': ('django.db.models.fields.TextField', [], {'default': "''"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.activityauditstatus': {
+            'Meta': {'unique_together': "(('user', 'activity'),)", 'object_name': 'ActivityAuditStatus'},
+            'activity': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Activity']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'status': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.anonymousanswer': {
+            'Meta': {'object_name': 'AnonymousAnswer'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip_addr': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'anonymous_answers'", 'to': "orm['askbot.Post']"}),
+            'session_key': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
+            'summary': ('django.db.models.fields.CharField', [], {'max_length': '180'}),
+            'text': ('django.db.models.fields.TextField', [], {}),
+            'wiki': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'askbot.anonymousquestion': {
+            'Meta': {'object_name': 'AnonymousQuestion'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ip_addr': ('django.db.models.fields.IPAddressField', [], {'max_length': '15'}),
+            'is_anonymous': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'session_key': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
+            'summary': ('django.db.models.fields.CharField', [], {'max_length': '180'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '125'}),
+            'text': ('django.db.models.fields.TextField', [], {}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300'}),
+            'wiki': ('django.db.models.fields.BooleanField', [], {'default': 'False'})
+        },
+        'askbot.askwidget': {
+            'Meta': {'object_name': 'AskWidget'},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'include_text_field': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'inner_style': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'outer_style': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'tag': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Tag']", 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'askbot.award': {
+            'Meta': {'object_name': 'Award', 'db_table': "u'award'"},
+            'awarded_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'badge': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'award_badge'", 'to': "orm['askbot.BadgeData']"}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'notified': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'award_user'", 'to': "orm['auth.User']"})
+        },
+        'askbot.badgedata': {
+            'Meta': {'ordering': "('slug',)", 'object_name': 'BadgeData'},
+            'awarded_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'awarded_to': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'badges'", 'symmetrical': 'False', 'through': "orm['askbot.Award']", 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '50', 'db_index': 'True'})
+        },
+        'askbot.draftanswer': {
+            'Meta': {'object_name': 'DraftAnswer'},
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'draft_answers'", 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'draft_answers'", 'to': "orm['askbot.Thread']"})
+        },
+        'askbot.draftquestion': {
+            'Meta': {'object_name': 'DraftQuestion'},
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '125', 'null': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300', 'null': 'True'})
+        },
+        'askbot.emailfeedsetting': {
+            'Meta': {'unique_together': "(('subscriber', 'feed_type'),)", 'object_name': 'EmailFeedSetting'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'feed_type': ('django.db.models.fields.CharField', [], {'max_length': '16'}),
+            'frequency': ('django.db.models.fields.CharField', [], {'default': "'n'", 'max_length': '8'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'reported_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),
+            'subscriber': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'notification_subscriptions'", 'to': "orm['auth.User']"})
+        },
+        'askbot.favoritequestion': {
+            'Meta': {'object_name': 'FavoriteQuestion', 'db_table': "u'favorite_question'"},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Thread']"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'user_favorite_questions'", 'to': "orm['auth.User']"})
+        },
+        'askbot.group': {
+            'Meta': {'object_name': 'Group', '_ormbases': ['auth.Group']},
+            'description': ('django.db.models.fields.related.OneToOneField', [], {'blank': 'True', 'related_name': "'described_group'", 'unique': 'True', 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'group_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.Group']", 'unique': 'True', 'primary_key': 'True'}),
+            'is_vip': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'logo_url': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True'}),
+            'moderate_answers_to_enquirers': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'moderate_email': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'openness': ('django.db.models.fields.SmallIntegerField', [], {'default': '2'}),
+            'preapproved_email_domains': ('django.db.models.fields.TextField', [], {'default': "''", 'null': 'True', 'blank': 'True'}),
+            'preapproved_emails': ('django.db.models.fields.TextField', [], {'default': "''", 'null': 'True', 'blank': 'True'})
+        },
+        'askbot.groupmembership': {
+            'Meta': {'object_name': 'GroupMembership', '_ormbases': ['auth.AuthUserGroups']},
+            'authusergroups_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.AuthUserGroups']", 'unique': 'True', 'primary_key': 'True'}),
+            'level': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'})
+        },
+        'askbot.markedtag': {
+            'Meta': {'object_name': 'MarkedTag'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'reason': ('django.db.models.fields.CharField', [], {'max_length': '16'}),
+            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'user_selections'", 'to': "orm['askbot.Tag']"}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'tag_selections'", 'to': "orm['auth.User']"})
+        },
+        'askbot.post': {
+            'Meta': {'object_name': 'Post'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'approved': ('django.db.models.fields.BooleanField', [], {'default': 'True', 'db_index': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'posts'", 'to': "orm['auth.User']"}),
+            'comment_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'deleted': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
+            'deleted_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'deleted_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'deleted_posts'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'group_posts'", 'symmetrical': 'False', 'through': "orm['askbot.PostToGroup']", 'to': "orm['askbot.Group']"}),
+            'html': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_anonymous': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_edited_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'last_edited_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'last_edited_posts'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'locked': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'locked_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'locked_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'locked_posts'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'offensive_flag_count': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'old_answer_id': ('django.db.models.fields.PositiveIntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'old_comment_id': ('django.db.models.fields.PositiveIntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'old_question_id': ('django.db.models.fields.PositiveIntegerField', [], {'default': 'None', 'unique': 'True', 'null': 'True', 'blank': 'True'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'comments'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'points': ('django.db.models.fields.IntegerField', [], {'default': '0', 'db_column': "'score'"}),
+            'post_type': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'summary': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {'null': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'default': 'None', 'related_name': "'posts'", 'null': 'True', 'blank': 'True', 'to': "orm['askbot.Thread']"}),
+            'vote_down_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'vote_up_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'wiki': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'wikified_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'})
+        },
+        'askbot.postflagreason': {
+            'Meta': {'object_name': 'PostFlagReason'},
+            'added_at': ('django.db.models.fields.DateTimeField', [], {}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
+            'details': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'post_reject_reasons'", 'to': "orm['askbot.Post']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '128'})
+        },
+        'askbot.postrevision': {
+            'Meta': {'ordering': "('-revision',)", 'unique_together': "(('post', 'revision'),)", 'object_name': 'PostRevision'},
+            'approved': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
+            'approved_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'approved_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'postrevisions'", 'to': "orm['auth.User']"}),
+            'by_email': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'email_address': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_anonymous': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'post': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'revisions'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'revised_at': ('django.db.models.fields.DateTimeField', [], {}),
+            'revision': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'summary': ('django.db.models.fields.CharField', [], {'max_length': '300', 'blank': 'True'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '125', 'blank': 'True'}),
+            'text': ('django.db.models.fields.TextField', [], {}),
+            'title': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '300', 'blank': 'True'})
+        },
+        'askbot.posttogroup': {
+            'Meta': {'unique_together': "(('post', 'group'),)", 'object_name': 'PostToGroup', 'db_table': "'askbot_post_groups'"},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'post': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Post']"})
+        },
+        'askbot.questionview': {
+            'Meta': {'object_name': 'QuestionView'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'viewed'", 'to': "orm['askbot.Post']"}),
+            'when': ('django.db.models.fields.DateTimeField', [], {}),
+            'who': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'question_views'", 'to': "orm['auth.User']"})
+        },
+        'askbot.questionwidget': {
+            'Meta': {'object_name': 'QuestionWidget'},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']", 'null': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'order_by': ('django.db.models.fields.CharField', [], {'default': "'-added_at'", 'max_length': '18'}),
+            'question_number': ('django.db.models.fields.PositiveIntegerField', [], {'default': '7'}),
+            'search_query': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '50', 'null': 'True', 'blank': 'True'}),
+            'style': ('django.db.models.fields.TextField', [], {'default': '"\\n@import url(\'http://fonts.googleapis.com/css?family=Yanone+Kaffeesatz:300,400,700\');\\nbody {\\n    overflow: hidden;\\n}\\n\\n#container {\\n    width: 200px;\\n    height: 350px;\\n}\\nul {\\n    list-style: none;\\n    padding: 5px;\\n    margin: 5px;\\n}\\nli {\\n    border-bottom: #CCC 1px solid;\\n    padding-bottom: 5px;\\n    padding-top: 5px;\\n}\\nli:last-child {\\n    border: none;\\n}\\na {\\n    text-decoration: none;\\n    color: #464646;\\n    font-family: \'Yanone Kaffeesatz\', sans-serif;\\n    font-size: 15px;\\n}\\n"', 'blank': 'True'}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'askbot.replyaddress': {
+            'Meta': {'object_name': 'ReplyAddress'},
+            'address': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '25'}),
+            'allowed_from_email': ('django.db.models.fields.EmailField', [], {'max_length': '150'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'post': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'reply_addresses'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'reply_action': ('django.db.models.fields.CharField', [], {'default': "'auto_answer_or_comment'", 'max_length': '32'}),
+            'response_post': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'edit_addresses'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'used_at': ('django.db.models.fields.DateTimeField', [], {'default': 'None', 'null': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.repute': {
+            'Meta': {'object_name': 'Repute', 'db_table': "u'repute'"},
+            'comment': ('django.db.models.fields.CharField', [], {'max_length': '128', 'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'negative': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'positive': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'question': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Post']", 'null': 'True', 'blank': 'True'}),
+            'reputation': ('django.db.models.fields.IntegerField', [], {'default': '1'}),
+            'reputation_type': ('django.db.models.fields.SmallIntegerField', [], {}),
+            'reputed_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'askbot.tag': {
+            'Meta': {'ordering': "('-used_count', 'name')", 'object_name': 'Tag', 'db_table': "u'tag'"},
+            'created_by': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'created_tags'", 'to': "orm['auth.User']"}),
+            'deleted': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'deleted_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'deleted_by': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'deleted_tags'", 'null': 'True', 'to': "orm['auth.User']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'status': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'}),
+            'suggested_by': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'suggested_tags'", 'symmetrical': 'False', 'to': "orm['auth.User']"}),
+            'tag_wiki': ('django.db.models.fields.related.OneToOneField', [], {'related_name': "'described_tag'", 'unique': 'True', 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'used_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'})
+        },
+        'askbot.thread': {
+            'Meta': {'object_name': 'Thread'},
+            'accepted_answer': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'+'", 'null': 'True', 'to': "orm['askbot.Post']"}),
+            'added_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'answer_accepted_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'answer_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'approved': ('django.db.models.fields.BooleanField', [], {'default': 'True', 'db_index': 'True'}),
+            'close_reason': ('django.db.models.fields.SmallIntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'closed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'closed_at': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'closed_by': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
+            'favorited_by': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'unused_favorite_threads'", 'symmetrical': 'False', 'through': "orm['askbot.FavoriteQuestion']", 'to': "orm['auth.User']"}),
+            'favourite_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'followed_by': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'followed_threads'", 'symmetrical': 'False', 'to': "orm['auth.User']"}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'group_threads'", 'symmetrical': 'False', 'through': "orm['askbot.ThreadToGroup']", 'to': "orm['askbot.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'last_activity_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_activity_by': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'unused_last_active_in_threads'", 'to': "orm['auth.User']"}),
+            'points': ('django.db.models.fields.IntegerField', [], {'default': '0', 'db_column': "'score'"}),
+            'tagnames': ('django.db.models.fields.CharField', [], {'max_length': '125'}),
+            'tags': ('django.db.models.fields.related.ManyToManyField', [], {'related_name': "'threads'", 'symmetrical': 'False', 'to': "orm['askbot.Tag']"}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '300'}),
+            'view_count': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'})
+        },
+        'askbot.threadtogroup': {
+            'Meta': {'unique_together': "(('thread', 'group'),)", 'object_name': 'ThreadToGroup', 'db_table': "'askbot_thread_groups'"},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'thread': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['askbot.Thread']"}),
+            'visibility': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'})
+        },
+        'askbot.vote': {
+            'Meta': {'unique_together': "(('user', 'voted_post'),)", 'object_name': 'Vote', 'db_table': "u'vote'"},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'votes'", 'to': "orm['auth.User']"}),
+            'vote': ('django.db.models.fields.SmallIntegerField', [], {}),
+            'voted_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'voted_post': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'votes'", 'to': "orm['askbot.Post']"})
+        },
+        'auth.authusergroups': {
+            'Meta': {'unique_together': "(('group', 'user'),)", 'object_name': 'AuthUserGroups', 'db_table': "'auth_user_groups'", 'managed': 'False'},
+            'group': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.Group']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'about': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'avatar_type': ('django.db.models.fields.CharField', [], {'default': "'n'", 'max_length': '1'}),
+            'bronze': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'consecutive_days_visit_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'country': ('django_countries.fields.CountryField', [], {'max_length': '2', 'blank': 'True'}),
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'date_of_birth': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}),
+            'display_tag_filter_strategy': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'email_isvalid': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'email_key': ('django.db.models.fields.CharField', [], {'max_length': '32', 'null': 'True'}),
+            'email_signature': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'email_tag_filter_strategy': ('django.db.models.fields.SmallIntegerField', [], {'default': '1'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'gold': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'gravatar': ('django.db.models.fields.CharField', [], {'max_length': '32'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'ignored_tags': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'interesting_tags': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_fake': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'last_seen': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'location': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'new_response_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'questions_per_page': ('django.db.models.fields.SmallIntegerField', [], {'default': '10'}),
+            'real_name': ('django.db.models.fields.CharField', [], {'max_length': '100', 'blank': 'True'}),
+            'reputation': ('django.db.models.fields.PositiveIntegerField', [], {'default': '1'}),
+            'seen_response_count': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'show_country': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'show_marked_tags': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'silver': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'status': ('django.db.models.fields.CharField', [], {'default': "'w'", 'max_length': '2'}),
+            'subscribed_tags': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'website': ('django.db.models.fields.URLField', [], {'max_length': '200', 'blank': 'True'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        }
+    }
+
+    complete_apps = ['askbot']
diff --git a/askbot/models/post.py b/askbot/models/post.py
index 10b3cdc7..0c5e2b00 100644
--- a/askbot/models/post.py
+++ b/askbot/models/post.py
@@ -40,7 +40,7 @@ from askbot.models.base import BaseQuerySetManager, DraftContent
 
 #todo: maybe merge askbot.utils.markup and forum.utils.html
 from askbot.utils.diff import textDiff as htmldiff
-from askbot.utils import mysql
+from askbot.search import mysql
 
 class PostToGroup(models.Model):
     post = models.ForeignKey('Post')
diff --git a/askbot/models/question.py b/askbot/models/question.py
index 6c45f1eb..44653dd0 100644
--- a/askbot/models/question.py
+++ b/askbot/models/question.py
@@ -6,6 +6,7 @@ from django.conf import settings as django_settings
 from django.db import models
 from django.contrib.auth.models import User
 from django.core import cache  # import cache, not from cache import cache, to be able to monkey-patch cache.cache in test cases
+from django.core import exceptions as django_exceptions
 from django.core.urlresolvers import reverse
 from django.utils.hashcompat import md5_constructor
 from django.utils.translation import ugettext as _
@@ -176,7 +177,7 @@ class ThreadManager(BaseQuerySetManager):
         """returns a query set of questions,
         matching the full text query
         """
-        if django_settings.ENABLE_HAYSTACK_SEARCH:
+        if getattr(django_settings, 'ENABLE_HAYSTACK_SEARCH', False):
             from askbot.search.haystack import AskbotSearchQuerySet
             hs_qs = AskbotSearchQuerySet().filter(content=search_query)
             return hs_qs.get_django_queryset()
@@ -612,6 +613,8 @@ class Thread(models.Model):
 
         group_ids = thread_groups.values_list('group_id', flat=True)
 
+        group_ids = list(group_ids)#force query for MySQL
+
         from askbot.models import GroupMembership
         user_ids = GroupMembership.objects.filter(
                                     group__id__in=group_ids
@@ -635,7 +638,7 @@ class Thread(models.Model):
             thread_groups = thread_groups[:max_count]
 
         group_ids = thread_groups.values_list('group_id', flat=True)
-        return Group.objects.filter(id__in=group_ids)
+        return Group.objects.filter(id__in=list(group_ids))#force list 4 mysql
 
     def update_favorite_count(self):
         self.favourite_count = FavoriteQuestion.objects.filter(thread=self).count()
@@ -1158,8 +1161,8 @@ class Thread(models.Model):
         #modified tags go on to recounting their use
         #todo - this can actually be done asynchronously - not so important
         modified_tags, unused_tags = separate_unused_tags(removed_tags)
-        delete_tags(unused_tags)#tags with used_count == 0 are deleted
 
+        delete_tags(unused_tags)#tags with used_count == 0 are deleted
         modified_tags = removed_tags
 
         #add new tags to the relation
@@ -1173,8 +1176,9 @@ class Thread(models.Model):
             added_tags = list(reused_tags)
             #tag moderation is in the call below
             created_tags = Tag.objects.create_in_bulk(
-                                            tag_names = new_tagnames, user = user
-                                        )
+                                        tag_names=new_tagnames,
+                                        user=user
+                                    )
 
             added_tags.extend(created_tags)
             #todo: not nice that assignment of added_tags is way above
@@ -1216,15 +1220,15 @@ class Thread(models.Model):
         ####################################################################
         self.update_summary_html() # regenerate question/thread summary html
         ####################################################################
-
         #if there are any modified tags, update their use counts
+        modified_tags = set(modified_tags) - set(unused_tags)
         if modified_tags:
             Tag.objects.update_use_counts(modified_tags)
             signals.tags_updated.send(None,
-                                thread = self,
-                                tags = modified_tags,
-                                user = user,
-                                timestamp = timestamp
+                                thread=self,
+                                tags=modified_tags,
+                                user=user,
+                                timestamp=timestamp
                             )
             return True
 
@@ -1251,6 +1255,9 @@ class Thread(models.Model):
         if None in (retagged_by, retagged_at, tagnames):
             raise Exception('arguments retagged_at, retagged_by and tagnames are required')
 
+        if len(tagnames) > 125:#todo: remove magic number!!!
+            raise django_exceptions.ValidationError('tagnames value too long')
+
         thread_question = self._question_post()
 
         self.tagnames = tagnames.strip()
diff --git a/askbot/search/mysql.py b/askbot/search/mysql.py
index df86070d..055b30ca 100644
--- a/askbot/search/mysql.py
+++ b/askbot/search/mysql.py
@@ -1,7 +1,6 @@
+"""Utilities for the MySQL backend"""
 from django.db import connection
 
-SUPPORTS_FTS = None
-HINT_TABLE = None
 NO_FTS_WARNING = """
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 !!                                                  !!
@@ -11,22 +10,15 @@ NO_FTS_WARNING = """
 !!                                                  !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 """
+SUPPORTS_FTS = None
 
-def supports_full_text_search(hint_table = None):
-    """True if the database engine is MyISAM
-    hint_table - is the table that we look into to determine
-    whether database supports FTS or not.
-    """
+def supports_full_text_search():
+    """True if the database engine is MyISAM"""
+    from askbot.models import Post
     global SUPPORTS_FTS
-    global HINT_TABLE
     if SUPPORTS_FTS is None:
         cursor = connection.cursor()
-        if hint_table:
-            table_name = hint_table
-            HINT_TABLE = hint_table
-        else:
-            from askbot.models import Post
-            table_name = Post._meta.db_table
+        table_name = Post._meta.db_table
         cursor.execute("SHOW CREATE TABLE %s" % table_name)
         data = cursor.fetchone()
         if 'ENGINE=MyISAM' in data[1]:
@@ -35,19 +27,12 @@ def supports_full_text_search(hint_table = None):
             SUPPORTS_FTS = False
     return SUPPORTS_FTS
 
-                question_index_sql = get_create_full_text_index_sql(
-                                                index_name,
-                                                table_namee,
-                                                ('title','text','tagnames',)
-                                            )
 def get_create_full_text_index_sql(index_name, table_name, column_list):
     cursor = connection.cursor()
     column_sql = '(%s)' % ','.join(column_list)
     sql = 'CREATE FULLTEXT INDEX %s on %s %s' % (index_name, table_name, column_sql)
-    cursor.execute(question_index_sql)
+    cursor.execute(sql)
     return sql
-            else:
-                print NO_FTS_WARNING
 
 def get_drop_index_sql(index_name, table_name):
     return 'ALTER TABLE %s DROP INDEX %s' % (table_name, index_name)
diff --git a/askbot/search/postgresql/user_profile_search_16102012.plsql b/askbot/search/postgresql/user_profile_search_16102012.plsql
new file mode 100644
index 00000000..ca00a5d3
--- /dev/null
+++ b/askbot/search/postgresql/user_profile_search_16102012.plsql
@@ -0,0 +1,98 @@
+/* 
+Script depends on functions defined for general askbot full text search.
+to_tsvector(), add_tsvector_column()
+
+calculates text search vector for the user profile
+the searched fields are: 
+1) user name
+2) user profile
+3) group names - for groups to which user belongs
+*/
+CREATE OR REPLACE FUNCTION get_auth_user_tsv(user_id integer)
+RETURNS tsvector AS
+$$
+DECLARE
+    group_query text;
+    user_query text;
+    onerow record;
+    tsv tsvector;
+BEGIN
+    group_query = 
+        'SELECT user_group.name as group_name ' ||
+        'FROM auth_group AS user_group ' ||
+        'INNER JOIN auth_user_groups AS gm ' ||
+        'ON gm.user_id= ' || user_id || ' AND gm.group_id=user_group.id';
+
+    tsv = to_tsvector('');
+    FOR onerow in EXECUTE group_query LOOP
+        tsv = tsv || to_tsvector(onerow.group_name);
+    END LOOP;
+
+    user_query = 'SELECT username, about FROM auth_user WHERE id=' || user_id;
+    FOR onerow in EXECUTE user_query LOOP
+        tsv = tsv || to_tsvector(onerow.username) || to_tsvector(onerow.about);
+    END LOOP;
+    RETURN tsv;
+END;
+$$ LANGUAGE plpgsql;
+
+/* create tsvector columns in the content tables */
+SELECT add_tsvector_column('text_search_vector', 'auth_user');
+
+/* populate tsvectors with data */
+UPDATE auth_user SET text_search_vector = get_auth_user_tsv(id);
+
+/* one trigger per table for tsv updates */
+
+/* set up auth_user triggers */
+CREATE OR REPLACE FUNCTION auth_user_tsv_update_handler()
+RETURNS trigger AS
+$$
+BEGIN
+    new.text_search_vector = get_auth_user_tsv(new.id);
+    RETURN new;
+END;
+$$ LANGUAGE plpgsql;
+DROP TRIGGER IF EXISTS auth_user_tsv_update_trigger ON auth_user;
+
+CREATE TRIGGER auth_user_tsv_update_trigger
+BEFORE INSERT OR UPDATE ON auth_user 
+FOR EACH ROW EXECUTE PROCEDURE auth_user_tsv_update_handler();
+
+/* group membership trigger - reindex users when group membership
+ * changes */
+CREATE OR REPLACE FUNCTION group_membership_tsv_update_handler()
+RETURNS trigger AS
+$$
+DECLARE
+    tsv tsvector;
+    user_query text;
+BEGIN
+    IF (TG_OP = 'INSERT') THEN
+        user_query = 'UPDATE auth_user SET username=username WHERE ' ||
+            'id=' || new.user_id;
+    ELSE
+        user_query = 'UPDATE auth_user SET username=username WHERE ' ||
+            'id=' || old.user_id;
+    END IF;
+    /* just trigger the tsv update on user */
+    EXECUTE user_query;
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+DROP TRIGGER IF EXISTS group_membership_tsv_update_trigger
+ON auth_user_groups;
+
+CREATE TRIGGER group_membership_tsv_update_trigger
+AFTER INSERT OR DELETE
+ON auth_user_groups
+FOR EACH ROW EXECUTE PROCEDURE group_membership_tsv_update_handler();
+
+/* todo: whenever group name changes - also 
+ * reindex users belonging to the group */
+
+DROP INDEX IF EXISTS auth_user_search_idx;
+
+CREATE INDEX auth_user_search_idx ON auth_user
+USING gin(text_search_vector);
diff --git a/askbot/tests/db_api_tests.py b/askbot/tests/db_api_tests.py
index 5477990a..8a6ffe0e 100644
--- a/askbot/tests/db_api_tests.py
+++ b/askbot/tests/db_api_tests.py
@@ -186,11 +186,11 @@ class DBApiTests(AskbotTestCase):
         self.assertTrue(saved_question.thread.answer_count == 1)
 
     def test_unused_tag_is_auto_deleted(self):
-        self.user.retag_question(self.question, tags = 'one-tag')
+        self.user.retag_question(self.question, tags='one-tag')
         tag = models.Tag.objects.get(name='one-tag')
         self.assertEquals(tag.used_count, 1)
         self.assertEquals(tag.deleted, False)
-        self.user.retag_question(self.question, tags = 'two-tag')
+        self.user.retag_question(self.question, tags='two-tag')
 
         count = models.Tag.objects.filter(name='one-tag').count()
         self.assertEquals(count, 0)
diff --git a/askbot/tests/user_model_tests.py b/askbot/tests/user_model_tests.py
index df4974dd..e46cdb77 100644
--- a/askbot/tests/user_model_tests.py
+++ b/askbot/tests/user_model_tests.py
@@ -15,3 +15,13 @@ class UserModelTests(AskbotTestCase):
                                                 group=group, user=user
                                             )
         self.assertEqual(memberships.count(), 1)
+
+    def test_delete_user(self):
+        user = self.create_user('user')
+        user.delete()
+        self.assertRaises(User.DoesNotExist, User.objects.get, username='user')
+
+    def test_rename_user(self):
+        user = self.create_user('user')
+        user.username = 'user2'
+        user.save()
diff --git a/askbot/utils/mysql.py b/askbot/utils/mysql.py
deleted file mode 100644
index cf0e71ef..00000000
--- a/askbot/utils/mysql.py
+++ /dev/null
@@ -1,36 +0,0 @@
-"""Utilities for the MySQL backend"""
-from django.db import connection
-
-#in-memory cached variable
-SUPPORTS_FTS = None
-
-def supports_full_text_search():
-    """True if the database engine is MyISAM"""
-    from askbot.models import Post
-    global SUPPORTS_FTS
-    if SUPPORTS_FTS is None:
-        cursor = connection.cursor()
-        table_name = Post._meta.db_table
-        cursor.execute("SHOW CREATE TABLE %s" % table_name)
-        data = cursor.fetchone()
-        if 'ENGINE=MyISAM' in data[1]:
-            SUPPORTS_FTS = True
-        else:
-            SUPPORTS_FTS = False
-    return SUPPORTS_FTS
-
-
-# This is needed to maintain compatibility with the old 0004 migration
-# Usually South migrations should be self-contained and shouldn't depend on anything but themselves,
-# but 0004 is an unfortunate exception
-def supports_full_text_search_migr0004():
-    global SUPPORTS_FTS
-    if SUPPORTS_FTS is None:
-        cursor = connection.cursor()
-        cursor.execute("SHOW CREATE TABLE question") # In migration 0004 model forum.Question used db table `question`
-        data = cursor.fetchone()
-        if 'ENGINE=MyISAM' in data[1]:
-            SUPPORTS_FTS = True
-        else:
-            SUPPORTS_FTS = False
-    return SUPPORTS_FTS