code: function pgsqlBulkUpsert(model, data) {
    var queries = [];
  
    // Transform data
    _.each(data, function(d) {
      // TODO: Postgres does not have easy UPSERT syntax, the ON CONFLICT UPDATE requires specific columns
      var query = "INSERT INTO " + model.tableName + " ([[COLUMNS]]) VALUES ([[VALUES]])";
      query = query.replace("[[COLUMNS]]", _.keys(d).join(", "));
      query = query.replace("[[VALUES]]", _.map(d, function(v) {
        return sequelizeSS.escape(v, undefined, "postgres");
      }).join(", "));
      queries.push(query);
    });
  
    // Create final output and format
    return queries.join("; ");
  }
docs: PGSQL query format bulk upsert