new column linkage_annotation added to object_xref

sql/patch_45_46_e.sql

+# patch_45_46_e.sql
+#
+# title: object_xref linkage_annotation
+#
+# description:
+# new column added to object_xref to keep info about teh object_xref
+
+ALTER TABLE object_xref ADD COLUMN linkage_annotation VARCHAR(255) DEFAULT NULL;
+
+# patch identifier
+INSERT INTO meta (meta_key, meta_value) VALUES ('patch', 'patch_45_46_e.sql|object_xref_linkage_annotation');
+
+
+

sql/table.sql

@@ -683,6 +683,7 @@ CREATE TABLE object_xref (
                                    'regulatory_feature')
                               NOT NULL,
   xref_id                     INT UNSIGNED NOT NULL,
+  linkage_annotation          VARCHAR(255) DEFAULT NULL,
 
   UNIQUE (ensembl_object_type, ensembl_id, xref_id),
   KEY oxref_idx (object_xref_id, xref_id, ensembl_object_type, ensembl_id),