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Hongze Cheng 2021-10-31 13:26:15 +08:00
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docs/user_manual/Small_Materialized_Aggrates.md
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@ -32,7 +32,7 @@ create table st (ts timestamp, a int, b int NOSMA, c double) tags (tg1 binary(10
In addition to the default block-wise SMA, users can create their own SMAs ondemand. Below is an example to create a SMA. In addition to the default block-wise SMA, users can create their own SMAs ondemand. Below is an example to create a SMA.
```SQL ```SQL
# create a SMA every 10 minutes with SMA of sum, max and min # create a SMA every 10 minutes with SMA of sum, max and min
create sma_indx sma_5min on st (sum(*), max(*), min(*), twa(*)) interval(10m); create sma_indx sma_10min on st (sum(*), max(*), min(*), twa(*)) interval(10m);
``` ```
Users can also drop a time-range-wise SMA like below: Users can also drop a time-range-wise SMA like below:
```SQL ```SQL