Use StringUtils for converting string to lowercase

smp-webapp/src/main/smp-setup/database-scripts/migration from 4.0.x to 4.1.0/oracle10g_4.0_to_4.1-createFunction.sql

+--- create function for converting clobs to blobs
+--  function is used during migration of data from 4.0 to  4.1
+CREATE OR REPLACE FUNCTION clob_to_blob(p_clob IN CLOB) RETURN BLOB IS
+  v_blob BLOB;
+  v_offset NUMBER DEFAULT 1;
+  v_amount NUMBER DEFAULT 4096;
+  v_offsetwrite NUMBER DEFAULT 1;
+  v_amountwrite NUMBER;
+  v_buffer VARCHAR2(4096 CHAR);
+BEGIN
+  dbms_lob.createtemporary(v_blob, TRUE);
+
+  Begin
+    LOOP
+      dbms_lob.READ (lob_loc => p_clob,
+                     amount  => v_amount,
+                     offset  => v_offset,
+                     buffer  => v_buffer);
+
+      v_amountwrite := utl_raw.length (r => utl_raw.cast_to_raw(c => v_buffer));
+
+      dbms_lob.WRITE (lob_loc => v_blob,
+                      amount  => v_amountwrite,
+                      offset  => v_offsetwrite,
+                      buffer  => utl_raw.cast_to_raw(v_buffer));
+
+      v_offsetwrite := v_offsetwrite + v_amountwrite;
+
+      v_offset := v_offset + v_amount;
+      v_amount := 4096;
+    END LOOP;
+  EXCEPTION
+    WHEN no_data_found THEN
+      NULL;
+  End;
+  RETURN v_blob;
+END clob_to_blob;