orm | Masonite ORM is a drop in replacement of Orator | Object-Relational Mapping library
kandi X-RAY | orm Summary
kandi X-RAY | orm Summary
Masonite ORM is a drop in replacement of Orator. Read the documentation and start using Masonite ORM!
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Top functions reviewed by kandi - BETA
- Compile the SQLAlchemy SQL statement into SQL
- Create SQLite column length
- Convert a dictionary of column names to column names
- Convert column names into column names
- Compile the SQLAlchemy table
- Create column length
- Compile an alter statement
- Convert a dictionary into SQL
- Compile the SQL to alter the table
- Convert a dictionary into a SQL statement
- Get all related models
- Execute a query
- Compiles the sql for a table
- Create model
- Decrement a column
- Gets the count query
- Get the count query for the query
- Increment a column
- Get the current schema for the given table
- Create a connection to the MySQL server
- Get objects related to query
- Rollback migration
- Creates the relationship between the given record
- Add joins to join
- Apply query to query
- Get a queryset of related objects
- Compile the sql statement
orm Key Features
orm Examples and Code Snippets
Community Discussions
Trending Discussions on orm
QUESTION
Currently, I am writing a laravel application with a part for sending messages between the staff at the company and the clients.
So, I have a field named "status" in the database. In this field, a value of one indicates that the message is waiting for an answer, a value of two indicates that it has been answered, and a value of three indicates that the message has been closed. There is a problem here, however. It's not clear what these numbers do when someone looks at my code.
Would there be any way for me to define this number or any other way to make my code more readable?
(I'm using laravel eloquent ORM)
The code below is for the method that closes a conversation:
ANSWER
Answered 2022-Mar-18 at 09:36Use constants in your Message model
QUESTION
In react native, I'm extending an ORM class (according to its documentation) but I'm getting following error in VSCode TypeScript checker:
...ANSWER
Answered 2022-Mar-07 at 06:49Typescript infers BaseModel
's database
getter to be of type void
. This is because you neither return a value, nor do you have an explicit type on that getter. Then Animal
tries to extend that, and it returns an async function, which is not void, and you get the type error.
The correct fix here is to properly type the BaseModel.database
return value. In this case, I believe it should return an async function, which returns a promise, which wraps your database object.
QUESTION
I am developing a Django app (Django v3.2.10, pytest v7.0.1, pytest-django v4.5.2) which uses cursor to perform raw queries to my secondary DB: my_db2, but when running tests, all the queries return empty results, like if they were running on parallel transactions.
My test file:
...ANSWER
Answered 2022-Feb-24 at 05:47@hoefling and @Arkadiusz Łukasiewicz were right, I just needed to add the corresponding DB within the factories:
QUESTION
This worked fine for me be building under Java 8. Now under Java 17.01 I get this when I do mvn deploy.
mvn install works fine. I tried 3.6.3 and 3.8.4 and updated (I think) all my plugins to the newest versions.
Any ideas?
...ANSWER
Answered 2022-Feb-11 at 22:39Update: Version 1.6.9 has been released and should fix this issue! 🎉
This is actually a known bug, which is now open for quite a while: OSSRH-66257. There are two known workarounds:
1. Open ModulesAs a workaround, use --add-opens
to give the library causing the problem access to the required classes:
QUESTION
I'm trying to figure out how to setup a login via Discord Oauth2 while using Dapper as my ORM.
Microsoft has a guide here that I have followed to setup all of my stores. I infact can call CreateAsync()
method and a user gets created in my database, so I believe that side of things is completely setup.
My issues lie within external login. Below you will find what I have tried.
Program.cs:
...ANSWER
Answered 2022-Jan-29 at 17:34Firstly... We need to take a look at the implementation of the internal method GetExternalLoginInfoAsync inside SignInManager.cs and take note of all the conditions that could possibly lead to null being returned.
I will provide my answer as comments within the code below:
QUESTION
How can I define a Doctrine property in a parent class and override the association in a class which extends the parent class? When using annotation, this was implemented by using AssociationOverride, however, I don't think they are available when using PHP 8 attributes
Why I want to:
I have a class AbstractTenantEntity
whose purpose is to restrict access to data to a given Tenant
(i.e. account, owner, etc) that owns the data, and any entity which extends this class will have tenant_id
inserted into the database when created and all other requests will add the tenant_id
to the WHERE clause. Tenant
typically does not have collections of the various entities which extend AbstractTenantEntity
, but a few do. When using annotations, I handled it by applying Doctrine's AssociationOverride
annotation to the extended classes which should have a collection in Tenant
, but I don't know how to accomplish this when using PHP 8 attributes?
My attempt described below was unsuccessful as I incorrectly thought that the annotation class would magically work with attributes if modified appropriately, but now I see other code must be able to apply the appropriate logic based on the attributes. As such, I abandoned this approach and just made the properties protected and duplicated them in the concrete class.
My attempt:
Tenant entity
...ANSWER
Answered 2021-Oct-11 at 18:30Override Field Association Mappings In Subclasses
Sometimes there is a need to persist entities but override all or part of the mapping metadata. Sometimes also the mapping to override comes from entities using traits where the traits have mapping metadata. This tutorial explains how to override mapping metadata, i.e. attributes and associations metadata in particular. The example here shows the overriding of a class that uses a trait but is similar when extending a base class as shown at the end of this tutorial.
Suppose we have a class ExampleEntityWithOverride. This class uses trait ExampleTrait:
QUESTION
I have a django app running in production. Its database has main write instance and a few read replicas. I use DATABASE_ROUTERS
to route between the write instance and the read replicas based on whether I need to read or write.
I encountered a situation where I have to do some async processing on an object due to a user request. The order of actions is:
- User submits a request via HTTPS/REST.
- The view creates an Object and saves it to the DB.
- Trigger a celery job to process the object outside of the request-response cycle and passing the object ID to it.
- Sending an OK response to the request.
Now, the celery job may kick in in 10 ms or 10 minutes depending on the queue. When it finally tuns, the celery job first tries to load the object based on the ID provided. Initially I had issues doing a my_obj = MyModel.objects.get(pk=given_id)
because the read replica would be used at this point, if the queue is empty and the celery job runs immediately after being triggered, the object may have not propagated to the read-replicas yet.
I resolved that issue by replacing my_obj = MyModel.objects.get(pk=given_id)
with my_obj = MyModel.objects.using('default').get(pk=given_id)
-- this ensures the object is read from my write-db-instance and is always available.
however, now I have another issue I did not anticipate.
calling my_obj.certain_many_to_many_objects.all()
triggers another call to the database as the ORM is lazy. That call IS being done on the read-replica. I was hoping it would stick to the database I defined with using
but that's not the case. Is there a way to force all sub-element objects to use the same write-db-instance?
ANSWER
Answered 2021-Sep-08 at 07:19Model managers and the QuerySet API reference can be used to change the database replica
There is a way to specify which DB connection to use with Django. For each model manager, Django's BaseManager
class uses a private property self._db
to hold the DB connection, you may specify another value as well.
QUESTION
I want to use Testcontainers with @DataJpaTest
(and @SpringBootTest
) using JUnit 5. I have the basic setup working using the @Testcontainers
and @Container
annotation like this:
ANSWER
Answered 2021-Aug-23 at 09:35To avoid Testcontainers code repetition I generally follow 2 approaches:
- Using ApplicationContextInitializer with @ContextConfiguration
QUESTION
The documentation for Django 2.2, which I'm using, gives the following example usage for select_for_update
:
ANSWER
Answered 2021-Jul-27 at 02:49As far as I'm aware update just performs an UPDATE ... WHERE query, with no SELECT before it
Yes, that's correct. You could confirm this by looking at the actual queries made. Using the canonical django tutorial "polls" app as an example:
QUESTION
Trying to make the populate
parameter in MikroORM strict for the variant with string paths. I managed to implement (more like adjust the one I found on TS discord) the AuthPath
type that works based on my needs. It works ok when used with a single parameter, but when used with array, it won't validate correctly if one of the array items is valid.
So the question is, how can I make it work with arrays? Is it even possible? I was trying to use tuple types to get around this, but failed to make it work. I kinda understand the problem is the shared generic type P
- I am planning to leverage it in the return type so I need something to bare the actual (inferred) types in the signature from params to return type.
The full playground in here.
Here is the demonstration of the problem:
...ANSWER
Answered 2021-Jul-08 at 13:49I think the issue here is that you want AutoPath
to distribute over unions in P
. That is, you want AutoPath
to be equivalent to AutoPath | AutoPath
. And sometimes it does not seem to work out that way.
If so, then you can use distributive conditional types to get this behavior. All you need to do is wrap your original definition with P extends any ? ... : never
:
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