Added search indexing for documents

server/migrations/20160711071958-search-index.js

@@ -0,0 +1,46 @@
+'use strict';
+
+module.exports = {
+  up: function (queryInterface, Sequelize) {
+    const searchDocument = `
+ALTER TABLE documents ADD COLUMN "searchVector" tsvector;
+CREATE INDEX documents_tsv_idx ON documents USING gin("searchVector");
+
+CREATE FUNCTION documents_search_trigger() RETURNS trigger AS $$
+begin
+  new."searchVector" :=
+    setweight(to_tsvector('english', coalesce(new.title, '')),'A') ||
+    setweight(to_tsvector('english', coalesce(new.text, '')), 'C');
+  return new;
+end
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER documents_tsvectorupdate BEFORE INSERT OR UPDATE
+ON documents FOR EACH ROW EXECUTE PROCEDURE documents_search_trigger();
+    `;
+
+    const searchAtlas = `
+ALTER TABLE atlases ADD COLUMN "searchVector" tsvector;
+CREATE INDEX atlases_tsv_idx ON atlases USING gin("searchVector");
+
+CREATE FUNCTION atlases_search_trigger() RETURNS trigger AS $$
+begin
+  new."searchVector" :=
+    setweight(to_tsvector('english', coalesce(new.name, '')),'A') ||
+    setweight(to_tsvector('english', coalesce(new.description, '')), 'C');
+  return new;
+end
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER atlases_tsvectorupdate BEFORE INSERT OR UPDATE
+ON atlases FOR EACH ROW EXECUTE PROCEDURE atlases_search_trigger();
+    `;
+
+    queryInterface.sequelize.query(searchDocument);
+    queryInterface.sequelize.query(searchAtlas);
+  },
+
+  down: function (queryInterface, Sequelize) {
+    // TODO?
+  }
+};