{
  "name": "second",
  "type": "function",
  "groups": ["Date and Time"],
  "description": "Extracts the seconds part from a datetime or time, or the number of seconds from an interval.",
  "variants": [
  { "variant": "Time variant",
      "variant_description": "Extracts the seconds part from a time or datetime.",
      "arguments": [ {"arg":"datetime","description":"a time or datetime value"}],
      "examples": [ { "expression":"second( to_datetime('2012-07-22 13:24:57') )", "returns":"57"}] },
      {
      "variant": "Interval variant",
      "variant_description": "Calculates the length in seconds of an interval.",
      "arguments": [ {"arg":"interval","description":"interval value to return number of seconds from"}],
      "examples": [ { "expression":"second(to_interval('3 minutes'))", "returns":"180"},
                    { "expression":"second(age('2012-07-22T00:20:00','2012-07-22T00:00:00'))", "returns":"1200"},
                    { "expression":"second(age('2012-01-01','2010-01-01'))", "returns":"63072000"}]
  }]
}