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perf: 为地区天气数据和停电事件表添加索引以优化查询性能

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添加复合索引到 regional_weather_data 和 dner_hourly_power_outage_event 表，以加速基于 org_code 和 data_time 等字段的查询操作。
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fsyud 2026-04-10 17:04:10 +08:00
parent 317b92acb0
commit 6d60db333b
1 changed files with 6 additions and 0 deletions
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src/main/resources/sql/20260313-DDL-002.sql
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@ -4,3 +4,9 @@ ALTER TABLE pmds_qxj_city_weather COMMENT = '地区天气预报表';
ALTER TABLE dner_event_export_record ALTER TABLE dner_event_export_record
ADD `stored_file_name` VARCHAR(255) NOT NULL COMMENT '存储在本地的唯一文件名', ADD `stored_file_name` VARCHAR(255) NOT NULL COMMENT '存储在本地的唯一文件名',
ADD `file_size` BIGINT NOT NULL COMMENT '文件大小（字节）'; ADD `file_size` BIGINT NOT NULL COMMENT '文件大小（字节）';
create index regional_weather_data_1_index
on regional_weather_data (org_code, data_time);
create index dner_hourly_power_outage_event_1_index
on dner_hourly_power_outage_event (event_id, org_code, data_time);