Index: branches/5.2.x/core/install/upgrades.sql
===================================================================
--- branches/5.2.x/core/install/upgrades.sql
+++ branches/5.2.x/core/install/upgrades.sql
@@ -2955,3 +2955,4 @@
 
 # ===== v 5.2.2-B3 =====
 INSERT INTO SearchConfig VALUES ('Categories', 'PageContent', 1, 1, 'lu_fielddesc_category_PageContent', 'lc_field_PageContent', 'In-Portal', 'la_text_category', 22, DEFAULT, 1, 'text', 'MULTI:PageRevisions.PageContent', '{ForeignTable}.PageId = {LocalTable}.CategoryId AND {ForeignTable}.RevisionNumber = {LocalTable}.LiveRevisionNumber', NULL, NULL, NULL, NULL, NULL);
+ALTER TABLE Semaphores CHANGE MainIDs MainIDs TEXT NULL;