Example of postgres json data type

examples/postgres-json-datatype/app.js

+/*
+  Title: PostgreSQL JSON Data-Type
+
+  An example of using PostgreSQL's JSON data-type.
+  In this example we create a single table that can handle multiple types of different media and it's metadata.
+
+  This example uses the promise API preferred in 2.0 and above.
+*/
+
+var Sequelize = require(__dirname + "/../../index")
+  , config    = require(__dirname + "/../../test/config/config")
+  , sequelize = new Sequelize(config.postgres.database, config.postgres.username, config.postgres.password, {
+    dialect: 'postgres',
+    logging: false
+  });
+
+var Content = sequelize.define('Content', {
+    title: { type: Sequelize.STRING },
+    type: { type: Sequelize.STRING }, // ENUM('Movie', 'Episode', 'Music Video') },
+    metadata: { type: Sequelize.JSON }
+  })
+  , movie = Content.build({
+    title: 'Grave of the Fireflies',
+    type: 'Movie',
+    metadata: {
+      director: 'Isao Takahata',
+      language: 'Japanese',
+      year: 1988
+    }
+  })
+  , episode = Content.build({
+    title: 'Chapter 3',
+    metadata: {
+      season: 1,
+      episode: 3,
+      language: 'English',
+      seriesTitle: 'House of Cards',
+      genres: ['Drama', 'Political thriller']
+    }
+  });
+
+sequelize.sync({ force: true })
+  .then(function() {
+    return sequelize.Promise.all([
+      movie.save(),
+      episode.save()
+      ]);
+  })
+  .then(function() {
+    console.log('=====================================');
+    console.log('Searching for any content in Japanese');
+    console.log('-------------------------------------');
+    return Content.find({ where: "metadata->>'language' = 'Japanese'" })
+      .then(function(content) {
+        console.log('Result:', content.dataValues);
+        console.log('=====================================');
+      })
+  })
+  .then(function() {
+    console.log('=====================================');
+    console.log('Searching for any content in English');
+    console.log('-------------------------------------');
+    return Content.find({ where: "metadata->>'language' = 'English'" })
+      .then(function(content) {
+        console.log('Result:', content.dataValues);
+        console.log('=====================================');
+      })
+  })
+  .error(function(error) {
+    console.log(error)
+  });
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