Ahead with the improvements to the comparison algorithm.

Added support internally to forge CASE statements, used only by
--is-dba query at the moment.
Allow DDL, DML (INSERT, UPDATE, etc.) from user in SQL query and
SQL shell.
Minor code adjustments.

lib/core/agent.py

@@ -468,5 +468,25 @@ class Agent:
         return limitedQuery
 
 
+    def forgeCaseStatement(self, expression):
+        """
+        Take in input a query string and return its CASE statement query
+        string.
+
+        Example:
+
+        Input:  (SELECT super_priv FROM mysql.user WHERE user=(SUBSTRING_INDEX(CURRENT_USER(), '@', 1)) LIMIT 0, 1)='Y'
+        Output: SELECT (CASE WHEN ((SELECT super_priv FROM mysql.user WHERE user=(SUBSTRING_INDEX(CURRENT_USER(), '@', 1)) LIMIT 0, 1)='Y') THEN 1 ELSE 0 END)
+
+        @param expression: expression to be processed
+        @type num: C{str}
+
+        @return: processed expression
+        @rtype: C{str}
+        """
+
+        return queries[kb.dbms].case % expression
+
+
 # SQL agent
 agent = Agent()