add: 评论表 目标Id和楼层数 添加唯一索引

upupor-web/src/main/resources/db/migration/V20230129014609__comment_unique_target_id_and_floor_num.sql

@@ -0,0 +1,31 @@
+/*
+ * <!--
+ *   ~ MIT License
+ *   ~
+ *   ~ Copyright (c) 2021-2023 yangrunkang
+ *   ~
+ *   ~ Author: yangrunkang
+ *   ~ Email: [email protected]
+ *   ~
+ *   ~ Permission is hereby granted, free of charge, to any person obtaining a copy
+ *   ~ of this software and associated documentation files (the "Software"), to deal
+ *   ~ in the Software without restriction, including without limitation the rights
+ *   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *   ~ copies of the Software, and to permit persons to whom the Software is
+ *   ~ furnished to do so, subject to the following conditions:
+ *   ~
+ *   ~ The above copyright notice and this permission notice shall be included in all
+ *   ~ copies or substantial portions of the Software.
+ *   ~
+ *   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *   ~ SOFTWARE.
+ *   -->
+ */
+
+ALTER TABLE `comment`
+    ADD UNIQUE INDEX `unique_target_id_floor_num`(`target_id`, `floor_num`) USING BTREE;