database

import random


class PrimaryReplicaRouter:
    """Route reads to replicas, writes to primary."""

from django.db.models import Prefetch
from django.views.generic import ListView
from .models import Post, Comment


class PostListView(ListView):

from django.db import models
from django.utils.text import slugify


class Article(models.Model):
    title = models.CharField(max_length=200)

class CreateCustomerRevenueSummaries < ActiveRecord::Migration[7.0]
  def change
    create_view :customer_revenue_summaries, materialized: true, version: 1

    add_index :customer_revenue_summaries,
              :customer_id,

-- Create basic index
CREATE INDEX idx_users_email ON users(email);

-- Unique index (enforces uniqueness)
CREATE UNIQUE INDEX idx_users_username ON users(username);

<?php

use Illuminate\Support\Facades\DB;

public function createOrder(array $items, User $user)
{

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

package feed

import (
	"encoding/base64"
	"encoding/json"
	"time"

from django.db import models
from django.contrib.postgres.indexes import GinIndex


class Post(models.Model):
    title = models.CharField(max_length=200, db_index=True)

from alembic import op
import sqlalchemy as sa

revision = "20240612_add_status"
down_revision = "20240515_create_orders"
branch_labels = None

from django.db import models


class Product(models.Model):
    name = models.CharField(max_length=200)
    sku = models.CharField(max_length=50)

from django.db import models
from django.contrib.postgres.indexes import GinIndex, BTreeIndex


class Order(models.Model):
    customer = models.ForeignKey('Customer', on_delete=models.CASCADE)