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@ -299,7 +299,7 @@ SELECT COUNT(*) FROM test.meters WHERE location = "California.SanFrancisco";
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SELECT AVG(current), MAX(voltage), MIN(phase) FROM test.meters WHERE groupId = 10;
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SELECT AVG(current), MAX(voltage), MIN(phase) FROM test.meters WHERE groupId = 10;
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```
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```
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对表 `d10` 按 10 每秒进行平均值、最大值和最小值聚合统计:
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对表 `d10` 按每 10 秒进行平均值、最大值和最小值聚合统计:
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```sql
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```sql
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SELECT FIRST(ts), AVG(current), MAX(voltage), MIN(phase) FROM test.d10 INTERVAL(10s);
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SELECT FIRST(ts), AVG(current), MAX(voltage), MIN(phase) FROM test.d10 INTERVAL(10s);
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