support FIND_IN_SET cond (#745)

* fix weird prefixes keys when use RedisUtils.scan

* Column use `` for reserved key

ref: https://stackoverflow.com/questions/2224503/how-to-map-an-entity-field-whose-name-is-a-reserved-word-in-jpa

* add FIND_IN_SET 条件查询

* note

eladmin-common/src/main/java/me/zhengjie/annotation/Query.java

@@ -74,7 +74,9 @@ public @interface Query {
         // 不为空
         ,NOT_NULL
         // 为空
-        ,IS_NULL
+        ,IS_NULL,
+        // Aborn Jiang 2022/06/01, 对应SQL: SELECT * FROM table WHERE FIND_IN_SET('querytag', table.tags);
+        FIND_IN_SET
     }
 
     /**

eladmin-common/src/main/java/me/zhengjie/utils/QueryHelp.java

@@ -166,6 +166,10 @@ public class QueryHelp {
                                         (Comparable) between.get(0), (Comparable) between.get(1)));
                             }
                             break;
+                        case FIND_IN_SET:
+                            list.add(cb.greaterThan(cb.function("FIND_IN_SET", Integer.class,
+                                    cb.literal(val.toString()), root.get(attributeName)), 0));
+                            break;
                         default: break;
                     }
                 }