Unable to filter an array inside of a related model with Prisma 2 - prisma

Question

I'm trying to check if the provided value exists inside of an array. I've been trying to figure this one out and from what I gathered, I have to use has. The array I'm trying to filter is inside of a related model. I tried looking for a solution, but couldn't find much on this subject. Am I doing something wrong? Is it at all possible to filter an array inside of a related model?
Here's my schema. Job and Company models are related, and inside Company we have a parking array.
model Company {
id Int #id #default(autoincrement())
name String #db.VarChar(200)
state String #db.VarChar(30)
parking String[]
...
createdAt DateTime #default(now())
updated_at DateTime #updatedAt
##map(name: "company")
}
model Job {
id Int #id #default(autoincrement())
type String
company Company #relation(fields: [company_id], references: [id])
company_id Int
createdAt DateTime #default(now())
updated_at DateTime #updatedAt
UserJobs UserJobs[]
##map(name: "job")
}
Below, I'm trying to find many jobs which match various values. One of the values I'm trying to match is inside of an array in the related Company model. Here's what I tried:
const jobs = await prisma.job.findMany({
where: {
AND: [
{
type: {
contains: req.body.type,
}
},
{
company: {
state: {
contains: req.body.state
}
}
},
...
{
company: {
parking: {
has: req.body.parkingState
}
}
}
]
},
include: {
company: true,
}
})

Answer 1

If you want to match a single value in a list has should be used, but if you want to match multiple values in a list then you would need to use hasEvery or hasSome depending upon your use case.
Here is the query which matches a single value in a list
const jobs = await prisma.job.findMany({
where: {
AND: [
{
type: {
contains: 'Software Engineer',
},
},
{
company: {
state: {
contains: 'CA',
},
},
},
{
company: {
parking: {
has: 'Employee',
},
},
},
],
},
include: {
company: true,
},
});
console.log(JSON.stringify(jobs, null, 2));
}
Here is the response for the above query:
[
{
"id": 1,
"type": "Software Engineer",
"company_id": 1,
"createdAt": "2022-02-28T08:53:03.949Z",
"updated_at": "2022-02-28T08:53:03.950Z",
"company": {
"id": 1,
"name": "Apple",
"state": "CA",
"parking": [
"Admin",
"Manager",
"Employee"
],
"createdAt": "2022-02-28T08:50:50.030Z",
"updated_at": "2022-02-28T08:50:50.031Z"
}
}
]
This is the sample data with which the above query fetched the results.
Job Table:
Company Table:
If you want to match multiple values in parking array you could achieve it by replacing has with hasSome in this manner.
const jobs = await prisma.job.findMany({
where: {
AND: [
{
type: {
contains: 'Software Engineer',
},
},
{
company: {
state: {
contains: 'CA',
},
},
},
{
company: {
parking: {
hasSome: ['Employee', 'Manager'],
},
},
},
],
},
include: {
company: true,
},
});
console.log(JSON.stringify(jobs, null, 2));
}