wip

2026-09-03 17:56:47 +03:00
commit 33490da091
136 changed files with 20062 additions and 0 deletions
@@ -0,0 +1,281 @@
+# Model Queries
+
+CRUD operations for your Prisma models.
+
+## Read Operations
+
+### findUnique
+
+Find a single record by unique field:
+
+```typescript
+const user = await prisma.user.findUnique({
+  where: { id: 1 }
+})
+
+const user = await prisma.user.findUnique({
+  where: { email: 'alice@prisma.io' }
+})
+```
+
+#### With composite unique key
+
+```typescript
+// Model with @@unique([firstName, lastName])
+const user = await prisma.user.findUnique({
+  where: {
+    firstName_lastName: {
+      firstName: 'Alice',
+      lastName: 'Smith'
+    }
+  }
+})
+```
+
+### findUniqueOrThrow
+
+Same as findUnique but throws if not found:
+
+```typescript
+const user = await prisma.user.findUniqueOrThrow({
+  where: { id: 1 }
+})
+// Throws PrismaClientKnownRequestError if not found
+```
+
+### findFirst
+
+Find first matching record:
+
+```typescript
+const user = await prisma.user.findFirst({
+  where: { role: 'ADMIN' },
+  orderBy: { createdAt: 'desc' }
+})
+```
+
+### findFirstOrThrow
+
+```typescript
+const user = await prisma.user.findFirstOrThrow({
+  where: { role: 'ADMIN' }
+})
+```
+
+### findMany
+
+Find multiple records:
+
+```typescript
+const users = await prisma.user.findMany({
+  where: { role: 'USER' },
+  orderBy: { name: 'asc' },
+  take: 10,
+  skip: 0
+})
+```
+
+## Create Operations
+
+### create
+
+Create a single record:
+
+```typescript
+const user = await prisma.user.create({
+  data: {
+    email: 'alice@prisma.io',
+    name: 'Alice'
+  }
+})
+```
+
+#### With relations
+
+```typescript
+const user = await prisma.user.create({
+  data: {
+    email: 'alice@prisma.io',
+    posts: {
+      create: [
+        { title: 'First Post' },
+        { title: 'Second Post' }
+      ]
+    }
+  },
+  include: { posts: true }
+})
+```
+
+### createMany
+
+Create multiple records:
+
+```typescript
+const result = await prisma.user.createMany({
+  data: [
+    { email: 'alice@prisma.io', name: 'Alice' },
+    { email: 'bob@prisma.io', name: 'Bob' }
+  ],
+  skipDuplicates: true  // Skip records with duplicate unique fields
+})
+// Returns { count: 2 }
+```
+
+### createManyAndReturn
+
+Create multiple and return them:
+
+```typescript
+const users = await prisma.user.createManyAndReturn({
+  data: [
+    { email: 'alice@prisma.io', name: 'Alice' },
+    { email: 'bob@prisma.io', name: 'Bob' }
+  ]
+})
+// Returns array of created users
+```
+
+## Update Operations
+
+### update
+
+Update a single record:
+
+```typescript
+const user = await prisma.user.update({
+  where: { id: 1 },
+  data: { name: 'Alice Smith' }
+})
+```
+
+#### Atomic operations
+
+```typescript
+const post = await prisma.post.update({
+  where: { id: 1 },
+  data: {
+    views: { increment: 1 },
+    likes: { decrement: 1 },
+    score: { multiply: 2 },
+    rating: { divide: 2 },
+    version: { set: 5 }
+  }
+})
+```
+
+### updateMany
+
+Update multiple records:
+
+```typescript
+const result = await prisma.user.updateMany({
+  where: { role: 'USER' },
+  data: { verified: true }
+})
+// Returns { count: 42 }
+```
+
+### updateManyAndReturn
+
+```typescript
+const users = await prisma.user.updateManyAndReturn({
+  where: { role: 'USER' },
+  data: { verified: true }
+})
+// Returns array of updated users
+```
+
+### upsert
+
+Update or create:
+
+```typescript
+const user = await prisma.user.upsert({
+  where: { email: 'alice@prisma.io' },
+  update: { name: 'Alice Smith' },
+  create: { email: 'alice@prisma.io', name: 'Alice' }
+})
+```
+
+## Delete Operations
+
+### delete
+
+Delete a single record:
+
+```typescript
+const user = await prisma.user.delete({
+  where: { id: 1 }
+})
+// Returns deleted record
+```
+
+### deleteMany
+
+Delete multiple records:
+
+```typescript
+const result = await prisma.user.deleteMany({
+  where: { role: 'GUEST' }
+})
+// Returns { count: 5 }
+
+// Delete all
+const result = await prisma.user.deleteMany({})
+```
+
+## Aggregation Operations
+
+### count
+
+```typescript
+const count = await prisma.user.count({
+  where: { role: 'ADMIN' }
+})
+```
+
+### aggregate
+
+```typescript
+const result = await prisma.post.aggregate({
+  _avg: { views: true },
+  _sum: { views: true },
+  _min: { views: true },
+  _max: { views: true },
+  _count: { _all: true }
+})
+```
+
+### groupBy
+
+```typescript
+const groups = await prisma.user.groupBy({
+  by: ['country'],
+  _count: { _all: true },
+  _avg: { age: true },
+  having: {
+    age: { _avg: { gt: 30 } }
+  }
+})
+```
+
+## Return Types
+
+| Method | Returns |
+|--------|---------|
+| `findUnique` | Record \| null |
+| `findUniqueOrThrow` | Record (throws if not found) |
+| `findFirst` | Record \| null |
+| `findFirstOrThrow` | Record (throws if not found) |
+| `findMany` | Record[] |
+| `create` | Record |
+| `createMany` | { count: number } |
+| `createManyAndReturn` | Record[] |
+| `update` | Record |
+| `updateMany` | { count: number } |
+| `delete` | Record |
+| `deleteMany` | { count: number } |
+| `count` | number |
+| `aggregate` | Aggregate result |
+| `groupBy` | Group result[] |