Re: [jira] [Created] (IOTDB-202) Bug in example module

2019-09-06 Thread Jialin Qiao
Hi, This is because the written data type is not compatible with the filter constructed in TsFileRead. I fixed this bug in this PR [1]. [1] https://github.com/apache/incubator-iotdb/pull/378 Best, -- Jialin Qiao School of Software, Tsinghua University 乔嘉林 清华大学 软件学院 > -原始邮件- > 发件人:

Re: [jira] [Created] (IOTDB-201) Query parsing runs slower when using ANTLR v4

2019-09-06 Thread 康愈圆
Hi, I've been working on JIRA issue [IOTDB-190 switch to ANTLR v4] these days. I implemented the SQL parsing module. However, it seems that the parsing efficiency reduces a lot when using ANTLR v4. It turns out that RuleContext.getText() is frequently called, which takes more than 90% of

[jira] [Created] (IOTDB-202) Bug in example module

2019-09-06 Thread Yuan Tian (Jira)
Yuan Tian created IOTDB-202: --- Summary: Bug in example module Key: IOTDB-202 URL: https://issues.apache.org/jira/browse/IOTDB-202 Project: Apache IoTDB Issue Type: Bug Reporter: Yuan

Re: time series with double datatype insert problem

2019-09-06 Thread Xiangdong Huang
Hi, I think we can follow what Tian Jiang said to check whether KairosDB considering it as a Long rather than a Float. By the way, as Jialin and Julian said, I think it is ok if we print 0.0 for Float 0. Best, --- Xiangdong Huang School of Software, Tsinghua

[jira] [Created] (IOTDB-203) A new result set format

2019-09-06 Thread Jialin Qiao (Jira)
Jialin Qiao created IOTDB-203: - Summary: A new result set format Key: IOTDB-203 URL: https://issues.apache.org/jira/browse/IOTDB-203 Project: Apache IoTDB Issue Type: New Feature

A new result set format

2019-09-06 Thread Jialin Qiao
Hi, As described in this issue, a new result set format is wanted by users. I'd like to open a discussion here. For simplicity, I refer this format "time, root.sg1.d1.s1, root.sg1.d2.s1" to wide table, and "time, deviceId, s1" as narrow table. This issue is not only about how to organize the

Re: A new result set format

2019-09-06 Thread Julian Feinauer
Hi Jialin, perhaps one question about "wanted by users" means (as I didn’t see anything on the list). How do these users get in contact with you? Julian Am 07.09.19, 04:29 schrieb "Jialin Qiao" : Hi, As described in this issue, a new result set format is wanted by users. I'd