flashzxi opened a new pull request #5273:
URL: https://github.com/apache/iotdb/pull/5273
## Description
Add some functions to support select logical expression in select clauses.
### Details
Now you can select logical expressions like a>b, fore example
```sql
select a, a>10, !(a<20) && a<30 from root.test;
```
**output**:
```
IoTDB> select a, a>10, !(a<20) && a<30 from root.test;
+-----------------------------+-----------+----------------+--------------------------------------+
| Time|root.test.a|root.test.a > 10|!root.test.a <
20 & (root.test.a < 30)|
+-----------------------------+-----------+----------------+--------------------------------------+
|1970-01-01T08:00:00.001+08:00| 23| true|
true|
|1970-01-01T08:00:00.002+08:00| 33| true|
false|
|1970-01-01T08:00:00.004+08:00| 13| true|
false|
|1970-01-01T08:00:00.005+08:00| 26| true|
true|
|1970-01-01T08:00:00.008+08:00| 1| false|
false|
|1970-01-01T08:00:00.010+08:00| 23| true|
true|
+-----------------------------+-----------+----------------+--------------------------------------+
```
```
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
