Fix mysql parser IT

Author: terrymanu

test/it/parser/src/main/resources/case/dml/select-sub-query.xml

@@ -335,18 +335,22 @@
 
     <select sql-case-id="select_with_exists_sub_query_with_project">
         <projections start-index="7" stop-index="36">
-            <subquery-projection start-index="14" stop-index="36" text="EXISTS (SELECT 1 FROM t_order)" literal-text="EXISTS (SELECT 1 FROM t_order)">
-                <subquery>
-                    <select>
-                        <from>
-                            <simple-table name="t_order" start-index="29" stop-index="35" />
-                        </from>
-                        <projections start-index="22" stop-index="22">
-                            <expression-projection start-index="22" stop-index="22" text="1" />
-                        </projections>
-                    </select>
-                </subquery>
-            </subquery-projection>
+            <expression-projection start-index="7" stop-index="36" text="EXISTS (SELECT 1 FROM t_order)">
+                <expr>
+                    <exists-subquery start-index="7" stop-index="36">
+                        <subquery start-index="14" stop-index="36">
+                            <select>
+                                <from>
+                                    <simple-table name="t_order" start-index="29" stop-index="35" />
+                                </from>
+                                <projections start-index="22" stop-index="22">
+                                    <expression-projection start-index="22" stop-index="22" text="1" />
+                                </projections>
+                            </select>
+                        </subquery>
+                    </exists-subquery>
+                </expr>
+            </expression-projection>
         </projections>
     </select>