xorm | c mysql orm | Object-Relational Mapping library
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kandi X-RAY | xorm Summary
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QUESTION
I'm trying to use grafana/grafana/pkg/tsdb
package in my module. I don't think this problem is specific to grafana but here it goes:
ANSWER
Answered 2020-Feb-21 at 16:53edit: I also had luck just using a slightly older version:
QUESTION
Based on this example i tried to write a program that would return some data from a database. Unfortunately, (more-or-less) the same program structure causes memory errors here err := orm.Find(&sensorDataEntry)
according to runtime console output.
What am i missing here? Both example and my program has the slice created using make() and uses reference in Find() method.
Code in question:
...ANSWER
Answered 2019-May-31 at 14:51As noted by mkopriva, the problem was using the same variable name for assignment.
Solution for the problem was:
instead of
QUESTION
I ask is possible to increase id number per new user in sqlite3 database using golang and xorm without cause async problem?
- I will use golang for http server. So may many user in same time http request and register
For example this is my database
...ANSWER
Answered 2019-Feb-13 at 07:52Don't let the server code generate the ID. Let the DB do this job. SQLite has the AUTOINCREMENT
keyword for this task.
Edit: But as the SQLite documentation cleary tells use, the use of INTEGER PRIMARY KEY
is recommended over AUTOINCREMENT
.
QUESTION
I
...ANSWER
Answered 2019-Jan-17 at 13:15As @Oren_C said:
"fatal: 'git@test.example.ccTaotie/discover.git' does not appear to be a git repository" This is a syntax related to cloning with SSH.
You're cloning with SSH that being said and the repo exists, the only option left would be that you didn't add a SSH public key to your git instance.
You can copy it from ~/.ssh/id_rsa.pub
OP had used a wrongly url. The fix was to use:
git@test.example.cc:Taotie/discover.git
Note the :
between host and repo instead of /
To clone the repo into your given directory use the following command:
QUESTION
I want to retrieve records from a database and marshall those to json. I have about 30 different tables, so I want generic functions that will work with all and any of those tables. I use xorm for database access.
I have managed to create DRY functions that retrieve the data, mostly thanks to this question & answer
This works, can marshal all records to json:
...ANSWER
Answered 2018-Dec-14 at 14:52So as I mentioned in the comment, the easiest thing to do if you want to be able to get a single element from the tableRecord.Data
field would be to change the field type to what it actually is:
QUESTION
I am using the latest version of xorm and want to create a simple go struct as follows:
...ANSWER
Answered 2018-Nov-21 at 18:09I'm not sure what/if xorm
can do about it, but you can just create a type and implement the Valuer
and Scanner
interfaces for it. Here is an example I did a pull request for using a bit(1)
for a bool
.
https://github.com/jmoiron/sqlx/blob/master/types/types.go#L152
For an integer, you would just return the int
instead of a []byte
containing the int
. Like so:
QUESTION
I am looking for a way to store information which struct a function should use. Each struct corresponds to certain database table.
...ANSWER
Answered 2018-Oct-24 at 11:19You may use reflect.Type
to represent / describe a Go type. And at runtime, you may use reflect.New()
to obtain a pointer to the zeroed value of this type wrapped in a reflect.Value
. And if you need a slice instead of a single value, you may use reflect.SliceOf()
, or obtain the type descriptor of the slice value in the first place.
If you store refect.Type
values of your tables, this is how you can use it:
QUESTION
Given the following function:
...ANSWER
Answered 2018-Apr-01 at 08:31You can't do that and it is also not a good design. You can check from which function it was called using reflection and see if that function is using the orm variable or not.
https://golang.org/pkg/runtime/#Caller
Go uses connection pool and if you are worried about the open connection, you may use timeout for each connection made.
QUESTION
I want to install dbweb to manage a MySQL database server but I get this error in cmd. I tried to to install that on my go project and get same error.
...ANSWER
Answered 2017-Apr-12 at 19:42It gives those errors because github.com/go-xorm/dbweb has dependencies on those other two packages which it cannot update because you have them locally but they have no remote so go get does not know from where to pull the code.
Try removing them:
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