# patch_58_59_d.sql

#
# Title:
#   Extend the object_type_idx index of the object_xref table.
#
# Description:
#   Add the 'analysis_id' to the end of the object_type_idx index in the
#   object_xref table so that we may allow for object_xref entries that
#   only differ in analysis_id.

sql/patch_58_59_d.sql

+# patch_58_59_d.sql
+#
+# Title:
+#   Extend the object_type_idx index of the object_xref table.
+#
+# Description:
+#   Add the 'analysis_id' to the end of the object_type_idx index in the
+#   object_xref table so that we may allow for object_xref entries that
+#   only differ in analysis_id.
+
+# Modify the object_xref table.
+ALTER TABLE object_xref
+  DROP INDEX object_type_idx,
+  ADD UNIQUE INDEX
+    object_type_idx (ensembl_object_type, ensembl_id, xref_id, analysis_id);
+
+# Insert patch identifier.
+INSERT INTO meta (species_id, meta_key, meta_value)
+  VALUES (NULL, 'patch',
+    'patch_58_59_d.sql|object_xref_extend_index');