feat: add latest population table

Signed-off-by: Evan Prodromou <evan@openearth.org>

api/migrations/20241126144816-latest-population.js

@@ -0,0 +1,60 @@
+'use strict';
+
+var dbm;
+var type;
+var seed;
+
+/**
+  * We receive the dbmigrate dependency from dbmigrate initially.
+  * This enables us to not have to rely on NODE_PATH.
+  */
+exports.setup = function (options, seedLink) {
+  dbm = options.dbmigrate;
+  type = dbm.dataType;
+  seed = seedLink;
+};
+
+exports.up = async (db) =>
+  db.createTable('LatestPopulation', {
+    columns: {
+      actor_id: {
+        type: 'string',
+        length: 255,
+        primaryKey: true,
+        foreignKey: {
+          name: "latest_population_actor_actor_id_fk",
+          table: "Actor",
+          rules: {
+            onDelete: 'CASCADE',
+            onUpdate: 'RESTRICT',
+          },
+          mapping: "actor_id",
+        },
+      },
+      year: { type: 'int' },
+      population: { type: 'bigint' },
+      created: { type: 'timestamp', notNull: true },
+      last_updated: { type: 'timestamp', notNull: true },
+      datasource_id: {
+        type: 'string',
+        length: 255,
+        notNull: true,
+        foreignKey: {
+          name: 'latest_population_datasource_datasource_id_fk',
+          table: 'DataSource',
+          rules: {
+            onDelete: 'CASCADE',
+            onUpdate: 'RESTRICT',
+          },
+          mapping: 'datasource_id',
+        },
+      }
+    },
+  })
+
+exports.down = async (db) =>
+  db.dropTable('LatestPopulation')
+
+exports._meta = {
+  "version": 1
+};