Questions tagged [sequoiadb]
9 questions
0
votes
1 answer
How to choose index scan or table scan when query in SequoiaDB?
There are the following scenarios:
Use PG to execute the query as follows:
Select count(*) from t where DATETIME >'2018-07-27 10.12.12.000000' and DATETIME < '2018-07-28 10.12.12.000000'
It returns 22 indexes with rapid execution.
The query…
Evak124
- 1
0
votes
1 answer
Why the inconsistency of file content occurred after downloading LOB in SequoiaDB?
When I use python to create LOB in SequoiaDB, and then download LOB, I find that the content of LOB is inconsistent with the original file.
Evak124
- 1
0
votes
1 answer
How to modify the operating system user of existing SequoiaDB cluster?
Assume that the operating system user of the SequoiaDB cluster is sdbadmin and the user group is sdbadmin_group. Now I want to modify the user of the SequoiaDB cluster from sdbadmin to sdb, and the user group from sdbadmin_group to sdb. Is it…
Evak124
- 1
0
votes
1 answer
How to solve the error of "SDB_RTN_COORD_ONLY" when connecting MySQL to create table in SequoiaDB?
In the stand-alone mode of SequoiaDB, when I want to connect MySQL to create table, it reported the following error:
mysql> use cs;
Database changed
mysql> create table cl(a int, b int, c text, primary key(a, b) ) engine = SequoiaDB ;
ERROR 1030…
AmberZ
- 1
0
votes
1 answer
How to export the sub-object value when using SequoiaDB export tool?
How to export the sub-object value when using SequoiaDB export tool? For example, in the following situation, I only want to export the value of expression.park. And
after using the following statements, it reported an error.
sdbexprt -s "localhost"…
Evak124
- 1
0
votes
1 answer
How to use the SequoiaDB import tool?
Is it possible that we import csv files of two different structures into a table according to the conditions?
AmberZ
- 1
0
votes
1 answer
Errors when connecting sequoiadb（error: -15）
I have already configured system name and firewall, and "ping" command was successful, but the error occured as follows:
db = new Sdb();
(nofile):0 uncaught exception: -15
How to fix it?
AmberZ
- 1
-1
votes
1 answer
Why reporting duplicate key error after inserting data in SequoiaDB？
When I insert data into SequoiaDB terminal using MySQL client, the terminal reports the error 49962 from storage engine, and the index key reports duplicate key error.
Alex Yu
- 1
-1
votes
1 answer
Compile error at omCommand.cpp:3765 in SequoiaDB
Describe the bug: Compile error at SequoiaDB/engine/omsvc/omCommand.cpp:3765
To Reproduce
Steps to reproduce the behavior:
git clone https://github.com/SequoiaDB/SequoiaDB.git
scons --engine
see error…
Evak124
- 1