iotdb

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执行查询报错

2

多线程进行查询，其中会出现错误，如下所示 `org.apache.iotdb.rpc.StatementExecutionException: 500: [INTERNAL_SERVER_ERROR(500)] Exception occurred: "select * from root.js.3205.320583.SNS00003489 where time >= 1650758400000 and time< 1650760200000". executeQueryStatement failed. java.lang.NullPointerException at org.apache.iotdb.rpc.RpcUtils.verifySuccess(RpcUtils.java:94) at org.apache.iotdb.rpc.RpcUtils.verifySuccessWithRedirection(RpcUtils.java:115) at org.apache.iotdb.session.SessionConnection.executeQueryStatement(SessionConnection.java:341) at org.apache.iotdb.session.Session.executeStatementMayRedirect(Session.java:646) at org.apache.iotdb.session.Session.executeQueryStatement(Session.java:618)`...

huangdejie

before: see detail https://issues.apache.org/jira/browse/IOTDB-3553 after: 

RYH61

[IOTDB-2974] It is recommended to use double quotation marks or quotation marks to insert data in the TEXT type.

4

## An exception is thrown for insertion of TEXT types that that is not quoted or double quoted.

23931017wu

**Describe the bug** 我们对iotdb时间序列的类型做过修改 例：删除double类型的root.ln_1.ph,再新增text类型的root.ln_1.ph 我们对iotdb的分组加了TTL iotdbserver运行一段时间后异常停止，重启后执行查询sql报错 **To Reproduce** Steps to reproduce the behavior: 1. iotdbserver运行一段时间异常退出 2. 调用启动脚本启动iotdbserver 3. 登录iotdb命令窗口，执行查询sql 4. 报截图错误 **Expected behavior** 正常执行sql返回正常结果，异常退出原因以及如何修复 **Screenshots**  **Desktop (please complete...

zhouzhiy

[IoTDB-804] Index Framework Part 2: Core

2

## Description This pull request is about the index framework, aiming at enabling IoTDB to support similar research and other index types. We appreciate all comments and suggestions. Thanks to...

kr11

Now the IoTDB [website](https://iotdb.apache.org/UserGuide/Master/QuickStart/QuickStart.html) has the left sidebar to guide through different markdown files, but lacks the right sidebar to guide through the different sections in a single markdown file....

LeiRui

Time or Timestamp should not be required as the first column in insert SQL statement

5

support ``` insert into root.test2.wf01.wt0 (time,json ,`status` ) values (111,"abcddf" ,true ) ``` but not support ``` insert into root.test2.wf01.wt01 (json ,`status`,time ) values ("abcddf" ,true,111 ) ``` get error...

jiazhili-dawnlight

批量写入报 TSStatus(code:500)

2

**Describe the bug** 从 mysql 迁移数据，开始每次从数据迁移1000条记录，开始正常，后来我就改为 1万条，就开始报这个错，我再改为200条都报 TSStatus(code:500) **To Reproduce** Steps to reproduce the behavior: 1. 从mysql 查询1000条记录，每条记录60个字段，for 循环插入 iotdb 2. 开始测试了3个表正常，数据都迁移完成 3. 上线到正式平台，每次迁移1000条，发现要迁移4500个表要很久 4. 加大到每次迁移1万条，iotdb 开始报错 TSStatus(code:500) 5. 改回到1000条，继续报错...

terry8204

Currently, when we execute "delete from root.sg.* where time < T", we write modifications besides the deleted TsFile. It's better to delete the file that does not have valid data.

qiaojialin

[IOTDB-1136] Improved reliability in flush error

1

The flushing fails due to OOM or insufficient disk space etc.... As a result, the cluster is in read-only mode. We need a mechanism to restore read-only mode. If the...

wangchao316