prisma-client-api-constructor

import { PrismaPg } from '@prisma/adapter-pg'
 
const adapter = new PrismaPg({
  connectionString: process.env.DATABASE_URL
})
 
const prisma = new PrismaClient({ adapter })

import { withAccelerate } from '@prisma/extension-accelerate'
 
const prisma = new PrismaClient({
  accelerateUrl: process.env.DATABASE_URL,  // prisma:// URL
}).$extends(withAccelerate())

const prisma = new PrismaClient({
  adapter,
  log: ['query', 'info', 'warn', 'error'],
})

const prisma = new PrismaClient({
  adapter,
  log: [
    { level: 'query', emit: 'event' },
    { level: 'error', emit: 'stdout' },
  ],
})
 
prisma.$on('query', (e) => {
  console.log('Query:', e.query)
  console.log('Duration:', e.duration, 'ms')
})

const prisma = new PrismaClient({
  adapter,
  errorFormat: 'pretty',  // 'pretty' | 'colorless' | 'minimal'
})

const prisma = new PrismaClient({
  adapter,
  transactionOptions: {
    maxWait: 5000,      // Max wait to acquire transaction (ms)
    timeout: 10000,     // Max transaction duration (ms)
    isolationLevel: 'Serializable',
  },
})

// lib/prisma.ts
import { PrismaClient } from '../generated/client'
import { PrismaPg } from '@prisma/adapter-pg'
 
const globalForPrisma = globalThis as unknown as {
  prisma: PrismaClient | undefined
}
 
function createPrismaClient() {
  const adapter = new PrismaPg({
    connectionString: process.env.DATABASE_URL!
  })
  return new PrismaClient({ adapter })
}
 
export const prisma = globalForPrisma.prisma ?? createPrismaClient()
 
if (process.env.NODE_ENV !== 'production') {
  globalForPrisma.prisma = prisma
}

// lib/prisma.ts
import { PrismaClient } from '@/generated/client'
import { PrismaPg } from '@prisma/adapter-pg'
 
const createAdapter = () => new PrismaPg({
  connectionString: process.env.DATABASE_URL!
})
 
const prismaClientSingleton = () => {
  return new PrismaClient({ adapter: createAdapter() })
}
 
declare const globalThis: {
  prismaGlobal: ReturnType<typeof prismaClientSingleton>
} & typeof global
 
const prisma = globalThis.prismaGlobal ?? prismaClientSingleton()
 
export default prisma
 
if (process.env.NODE_ENV !== 'production') {
  globalThis.prismaGlobal = prisma
}

const prisma = new PrismaClient({
  adapter,
  log: [{ level: 'query', emit: 'event' }],
})
 
prisma.$on('query', (e) => {
  console.log('Query:', e.query)
  console.log('Params:', e.params)
  console.log('Duration:', e.duration)
})

prisma.$on('info', (e) => console.log(e.message))
prisma.$on('warn', (e) => console.warn(e.message))
prisma.$on('error', (e) => console.error(e.message))