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server/models/amazon_review.js

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+import { DataTypes } from 'sequelize';
+
+export function define_amazon_review(sequelize) {
+  return sequelize.define(
+    'amazon_review',
+    {
+      id: { type: DataTypes.BIGINT.UNSIGNED, primaryKey: true, autoIncrement: true },
+      asin: { type: DataTypes.STRING(32), allowNull: true },
+      url: { type: DataTypes.TEXT, allowNull: false },
+      review_id: { type: DataTypes.STRING(64), allowNull: false },
+      author: { type: DataTypes.STRING(256), allowNull: true },
+      title: { type: DataTypes.TEXT, allowNull: true },
+      body: { type: DataTypes.TEXT('long'), allowNull: true },
+      rating_text: { type: DataTypes.STRING(64), allowNull: true },
+      review_date: { type: DataTypes.STRING(128), allowNull: true },
+      review_index: { type: DataTypes.INTEGER, allowNull: true },
+      batch_key: { type: DataTypes.STRING(64), allowNull: false },
+      batch_total: { type: DataTypes.INTEGER, allowNull: true },
+      batch_limit: { type: DataTypes.INTEGER, allowNull: true }
+    },
+    {
+      tableName: 'amazon_review',
+      indexes: [
+        { unique: true, fields: ['review_id'] },
+        { fields: ['asin'] },
+        { fields: ['batch_key'] },
+        { fields: ['created_at'] }
+      ]
+    }
+  );
+}