DO NOT MERGE. Execute "strict" queries with extra parentheses.

            return null;

        }

        final String sql;

        final String unwrappedSql = buildQuery(

                projectionIn, selection, groupBy, having,

                sortOrder, limit);

        if (mStrict && selection != null && selection.length() > 0) {

            // Validate the user-supplied selection to detect syntactic anomalies

            // in the selection string that could indicate a SQL injection attempt.

            // originally specified. An attacker cannot create an expression that

            // would escape the SQL expression while maintaining balanced parentheses

            // in both the wrapped and original forms.

            String sqlForValidation = buildQuery(projectionIn, "(" + selection + ")", groupBy,

            // NOTE: The ordering of the below operations is important; we must

            // execute the wrapped query to ensure the untrusted clause has been

            // fully isolated.

            // Validate the unwrapped query

            db.validateSql(unwrappedSql, cancellationSignal); // will throw if query is invalid

            // Execute wrapped query for extra protection

            final String wrappedSql = buildQuery(projectionIn, "(" + selection + ")", groupBy,

                    having, sortOrder, limit);

            db.validateSql(sqlForValidation, cancellationSignal); // will throw if query is invalid

            sql = wrappedSql;

        } else {

            // Execute unwrapped query

            sql = unwrappedSql;

        }

        String sql = buildQuery(

                projectionIn, selection, groupBy, having,

                sortOrder, limit);

        if (Log.isLoggable(TAG, Log.DEBUG)) {

            Log.d(TAG, "Performing query: " + sql);

        }