12 lines
480 B
SQL
12 lines
480 B
SQL
-- Optimize /iot/device/statistic count queries on large log tables.
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-- Execute once on existing databases. If an index already exists, skip that ALTER.
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ALTER TABLE `iot_device_log`
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ADD INDEX `idx_device_log_stat_user_type_monitor` (`user_id`, `log_type`, `is_monitor`);
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ALTER TABLE `iot_event_log`
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ADD INDEX `idx_event_log_stat_user_type` (`user_id`, `log_type`);
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ALTER TABLE `iot_function_log`
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ADD INDEX `idx_function_log_stat_user_type` (`user_id`, `fun_type`);
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