url =
  "jdbc:postgresql://localhost:5432/mydatabase?user=postgres"

df = sqlContext
  .read
  .format("jdbc")
  .option("url", url)
  .option("dbtable", "accounts")
  .option("partitionColumn", "id")
  .option("numPartitions", 10)
  .option("lowerBound", 1)
  .option("upperBound", 50000000)
  .option("password", "password")
  .load()

results = df.map(lambda row: row["name"]).filter(lambda name: "taco" in name).collect()