We have written the relevant documentation, you can see
https://apache-iotdb.feishu.cn/docx/SG1DdQklco67oaxSLbYcghWxnkc.
> 2023年7月12日 20:45，Christofer Dutz 写道：
>
> Hi,
>
> so playing around with IoTDB running in embedded mode, I noticed that it
> creates a directory “data” which totally makes
about mutation
>
> Thanks,
> Jialin Qiao
>
> On 2022/08/02 07:32:19 "18110526...@163.com" wrote:
>> Hi everyone,
>>
>> We are developing a UDF to remove a sequence of consecutive identical values
>> (keeping only the first one), but have not c
Hi everyone,
We are developing a UDF to remove a sequence of consecutive identical values
(keeping only the first one), but have not come up with a proper name for it.
We can't name it ‘distinct' because it has a different meaning. Here are some
of the alternatives we came up with, and if you
Hi all,
We recently encountered an interesting problem implementing the Having clause.
In the Analyze phase, we needed to validate the input Having expression,
including the GroupByLevel rule. The explain is as follows.
Input: path starting with root, levels array (ascending with no repeating
Hello everyone,
We want to support having clause in IoTDB.
1.Background
Replace grammar ‘without null any/all()’ to help users easier to understand and
use.
2.Specification
2.1Current query grammar
selectStatement
: TRACING? selectClause intoClause? fromClause whereClause? specialClause?
Hi, all:
In the new cluster version, we will change the syntax for NULL as follows:
NULL Filter: IS NULL / IS NOT NULL
NULL Operation:
1.comparison operators: the result is NULL if you use arithmetic comparison
operators such as ‘=‘, ‘<‘ or ‘>=‘ to NULL.
2.logic operators: you can treat
