readme
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30
README.md
30
README.md
@@ -264,8 +264,7 @@ public class ChangeLogContext {
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```mysql
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```mysql
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DROP TABLE IF EXISTS `your_table_name`;
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DROP TABLE IF EXISTS `your_table_name`;
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CREATE TABLE `your_table_name`
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CREATE TABLE `your_table_name` (
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(
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`guid` bigint(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT 'GUID',
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`guid` bigint(0) UNSIGNED NOT NULL DEFAULT 0 COMMENT 'GUID',
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-- ----------------------------
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-- ----------------------------
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-- add your table other table field
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-- add your table other table field
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@@ -277,16 +276,35 @@ CREATE TABLE `your_table_name`
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`create_time` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
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`create_time` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '创建时间',
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`update_time` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '更新时间',
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`update_time` datetime(0) NOT NULL DEFAULT CURRENT_TIMESTAMP(0) COMMENT '更新时间',
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PRIMARY KEY (`guid`) USING BTREE,
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PRIMARY KEY (`guid`) USING BTREE,
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-- UNIQUE KEY `idx_unique_key` (`you unique key`,`delete_token`) USING BTREE,
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KEY `idx_common_query` (`is_hidden`, `is_delete`, `create_time` desc, `guid`) USING BTREE
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) ENGINE = InnoDB COMMENT = '你的表格备注'
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ROW_FORMAT = Dynamic;
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```
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### 索引优化指南
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唯一键索引:
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```
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UNIQUE KEY `idx_unique_key` (`you unique key`,`delete_token`) USING BTREE,
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-- KEY `idx_common_query` (
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-- KEY `idx_common_query` (
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-- 等值查询字段,
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-- 等值查询字段,
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-- `is_hidden`,`is_delete`,
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-- `is_hidden`,`is_delete`,
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-- 其他参与排序字段,
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-- 其他参与排序字段,
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-- `create_time` desc,
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-- `create_time` desc,
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-- `guid`) USING BTREE
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-- `guid`) USING BTREE
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KEY `idx_common_query` (`is_hidden`, `is_delete`, `create_time` desc, `guid`) USING BTREE
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```
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) ENGINE = InnoDB COMMENT = '你的表格备注'
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ROW_FORMAT = Dynamic;
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查询索引:
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```
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KEY `idx_common_query` (
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-- 等值查询字段,
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`is_hidden`,`is_delete`,
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-- 其他参与排序字段,
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`create_time` desc,
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`guid`
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) USING BTREE
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```
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```
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**必需字段说明**:
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**必需字段说明**:
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