Malloy Documentation
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The examples below all use the following semantic model.

document
source: flights is duckdb.table('../data/flights.parquet') extend {
  join_one: carriers is duckdb.table('../data/carriers.parquet') 
    on carrier = carriers.code
  measure: 
    flight_count is count()
    aircraft_count is count(tail_num)
}

Line charts take two or three parameters.

  • First parameter - X-axis is time field or numeric expression

  • Second parameter - Y-axis is a numeric expression

  • Third (optional) Pivot is dimensional field (numeric or string)

Single line line_chart

document
# line_chart
run: flights -> {
  group_by: departure_month is dep_time.month
  aggregate: flight_count
}
QUERY RESULTS
2000AprilJulyOctober2001AprilJulyOctober2002AprilJulyOctober2003AprilJulyOctober2004AprilJulyOctober2005AprilJulyOctoberdeparture_month3,0003,5004,0004,5005,0005,5006,0006,5007,000flight_count
[
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 5770
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 5533
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 6083
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 6100
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 6415
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 6227
  },
  {
    "departure_month": "2005-06-01T00:00:00.000Z",
    "flight_count": 6118
  },
  {
    "departure_month": "2005-05-01T00:00:00.000Z",
    "flight_count": 6064
  },
  {
    "departure_month": "2005-04-01T00:00:00.000Z",
    "flight_count": 6043
  },
  {
    "departure_month": "2005-03-01T00:00:00.000Z",
    "flight_count": 5732
  },
  {
    "departure_month": "2005-02-01T00:00:00.000Z",
    "flight_count": 5707
  },
  {
    "departure_month": "2005-01-01T00:00:00.000Z",
    "flight_count": 5997
  },
  {
    "departure_month": "2004-12-01T00:00:00.000Z",
    "flight_count": 6202
  },
  {
    "departure_month": "2004-11-01T00:00:00.000Z",
    "flight_count": 6084
  },
  {
    "departure_month": "2004-10-01T00:00:00.000Z",
    "flight_count": 6228
  },
  {
    "departure_month": "2004-09-01T00:00:00.000Z",
    "flight_count": 5689
  },
  {
    "departure_month": "2004-08-01T00:00:00.000Z",
    "flight_count": 5993
  },
  {
    "departure_month": "2004-07-01T00:00:00.000Z",
    "flight_count": 5775
  },
  {
    "departure_month": "2004-06-01T00:00:00.000Z",
    "flight_count": 5622
  },
  {
    "departure_month": "2004-05-01T00:00:00.000Z",
    "flight_count": 5609
  },
  {
    "departure_month": "2004-04-01T00:00:00.000Z",
    "flight_count": 5385
  },
  {
    "departure_month": "2004-03-01T00:00:00.000Z",
    "flight_count": 5463
  },
  {
    "departure_month": "2004-02-01T00:00:00.000Z",
    "flight_count": 5223
  },
  {
    "departure_month": "2004-01-01T00:00:00.000Z",
    "flight_count": 5124
  },
  {
    "departure_month": "2003-12-01T00:00:00.000Z",
    "flight_count": 5134
  },
  {
    "departure_month": "2003-11-01T00:00:00.000Z",
    "flight_count": 4729
  },
  {
    "departure_month": "2003-10-01T00:00:00.000Z",
    "flight_count": 4726
  },
  {
    "departure_month": "2003-09-01T00:00:00.000Z",
    "flight_count": 4431
  },
  {
    "departure_month": "2003-08-01T00:00:00.000Z",
    "flight_count": 4918
  },
  {
    "departure_month": "2003-07-01T00:00:00.000Z",
    "flight_count": 5117
  },
  {
    "departure_month": "2003-06-01T00:00:00.000Z",
    "flight_count": 5005
  },
  {
    "departure_month": "2003-05-01T00:00:00.000Z",
    "flight_count": 5114
  },
  {
    "departure_month": "2003-04-01T00:00:00.000Z",
    "flight_count": 4873
  },
  {
    "departure_month": "2003-03-01T00:00:00.000Z",
    "flight_count": 5017
  },
  {
    "departure_month": "2003-02-01T00:00:00.000Z",
    "flight_count": 4720
  },
  {
    "departure_month": "2003-01-01T00:00:00.000Z",
    "flight_count": 4892
  },
  {
    "departure_month": "2002-12-01T00:00:00.000Z",
    "flight_count": 3999
  },
  {
    "departure_month": "2002-11-01T00:00:00.000Z",
    "flight_count": 3914
  },
  {
    "departure_month": "2002-10-01T00:00:00.000Z",
    "flight_count": 4340
  },
  {
    "departure_month": "2002-09-01T00:00:00.000Z",
    "flight_count": 4261
  },
  {
    "departure_month": "2002-08-01T00:00:00.000Z",
    "flight_count": 4326
  },
  {
    "departure_month": "2002-07-01T00:00:00.000Z",
    "flight_count": 4346
  },
  {
    "departure_month": "2002-06-01T00:00:00.000Z",
    "flight_count": 4375
  },
  {
    "departure_month": "2002-05-01T00:00:00.000Z",
    "flight_count": 4348
  },
  {
    "departure_month": "2002-04-01T00:00:00.000Z",
    "flight_count": 4046
  },
  {
    "departure_month": "2002-03-01T00:00:00.000Z",
    "flight_count": 4102
  },
  {
    "departure_month": "2002-02-01T00:00:00.000Z",
    "flight_count": 3583
  },
  {
    "departure_month": "2002-01-01T00:00:00.000Z",
    "flight_count": 4008
  },
  {
    "departure_month": "2001-12-01T00:00:00.000Z",
    "flight_count": 4086
  },
  {
    "departure_month": "2001-11-01T00:00:00.000Z",
    "flight_count": 3819
  },
  {
    "departure_month": "2001-10-01T00:00:00.000Z",
    "flight_count": 3809
  },
  {
    "departure_month": "2001-09-01T00:00:00.000Z",
    "flight_count": 3616
  },
  {
    "departure_month": "2001-08-01T00:00:00.000Z",
    "flight_count": 4607
  },
  {
    "departure_month": "2001-07-01T00:00:00.000Z",
    "flight_count": 4440
  },
  {
    "departure_month": "2001-06-01T00:00:00.000Z",
    "flight_count": 4451
  },
  {
    "departure_month": "2001-05-01T00:00:00.000Z",
    "flight_count": 4407
  },
  {
    "departure_month": "2001-04-01T00:00:00.000Z",
    "flight_count": 4328
  },
  {
    "departure_month": "2001-03-01T00:00:00.000Z",
    "flight_count": 3869
  },
  {
    "departure_month": "2001-02-01T00:00:00.000Z",
    "flight_count": 3672
  },
  {
    "departure_month": "2001-01-01T00:00:00.000Z",
    "flight_count": 4071
  },
  {
    "departure_month": "2000-12-01T00:00:00.000Z",
    "flight_count": 3744
  },
  {
    "departure_month": "2000-11-01T00:00:00.000Z",
    "flight_count": 3718
  },
  {
    "departure_month": "2000-10-01T00:00:00.000Z",
    "flight_count": 3858
  },
  {
    "departure_month": "2000-09-01T00:00:00.000Z",
    "flight_count": 3850
  },
  {
    "departure_month": "2000-08-01T00:00:00.000Z",
    "flight_count": 4182
  },
  {
    "departure_month": "2000-07-01T00:00:00.000Z",
    "flight_count": 4043
  },
  {
    "departure_month": "2000-06-01T00:00:00.000Z",
    "flight_count": 3774
  },
  {
    "departure_month": "2000-05-01T00:00:00.000Z",
    "flight_count": 4047
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 3778
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 4252
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 3876
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 4020
  }
]
SELECT 
   DATE_TRUNC('month', flights."dep_time") as "departure_month",
   COUNT( 1) as "flight_count"
FROM '../data/flights.parquet' as flights
GROUP BY 1
ORDER BY 1 desc NULLS LAST

Multi line line_chart

The third parameter in a line chart adds a line for each dimension found.

document
# line_chart
run: flights -> {
  group_by: departure_month is dep_time.month
  aggregate: flight_count
  group_by: carriers.nickname
}
QUERY RESULTS
2000AprilJulyOctober2001AprilJulyOctober2002AprilJulyOctober2003AprilJulyOctober2004AprilJulyOctober2005AprilJulyOctoberdeparture_month02004006008001,0001,2001,4001,6001,800flight_countATAAlaskaAmerica WestAmericanAmerican EagleAtlantic SoutheastComairContinentalContinental ExpressDeltaJetblueNorthwestSouthwestUSAirUnitednickname
[
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 647,
    "nickname": "United"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 1606,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 428,
    "nickname": "American"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 136,
    "nickname": "America West"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 572,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 104,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 246,
    "nickname": "Jetblue"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 93,
    "nickname": "Continental"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 153,
    "nickname": "Comair"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 400,
    "nickname": "Atlantic Southeast"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 139,
    "nickname": "Delta"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 557,
    "nickname": "Continental Express"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 356,
    "nickname": "American Eagle"
  },
  {
    "departure_month": "2005-12-01T00:00:00.000Z",
    "flight_count": 333,
    "nickname": "USAir"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 584,
    "nickname": "United"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 1448,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 401,
    "nickname": "American"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 132,
    "nickname": "America West"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 551,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 94,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 222,
    "nickname": "Jetblue"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 195,
    "nickname": "Comair"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 290,
    "nickname": "Atlantic Southeast"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 185,
    "nickname": "Delta"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 82,
    "nickname": "Continental"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 522,
    "nickname": "Continental Express"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 357,
    "nickname": "American Eagle"
  },
  {
    "departure_month": "2005-11-01T00:00:00.000Z",
    "flight_count": 470,
    "nickname": "USAir"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 503,
    "nickname": "Continental Express"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 344,
    "nickname": "American Eagle"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 651,
    "nickname": "USAir"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 102,
    "nickname": "Continental"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 393,
    "nickname": "Atlantic Southeast"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 352,
    "nickname": "Delta"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 178,
    "nickname": "Comair"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 1543,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 406,
    "nickname": "American"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 163,
    "nickname": "America West"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 97,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 499,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 255,
    "nickname": "Jetblue"
  },
  {
    "departure_month": "2005-10-01T00:00:00.000Z",
    "flight_count": 597,
    "nickname": "United"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 537,
    "nickname": "United"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 1466,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 492,
    "nickname": "American"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 147,
    "nickname": "America West"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 113,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 482,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 167,
    "nickname": "Jetblue"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 98,
    "nickname": "Continental"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 456,
    "nickname": "Atlantic Southeast"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 313,
    "nickname": "Delta"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 167,
    "nickname": "Comair"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 504,
    "nickname": "Continental Express"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 652,
    "nickname": "USAir"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 415,
    "nickname": "American Eagle"
  },
  {
    "departure_month": "2005-09-01T00:00:00.000Z",
    "flight_count": 91,
    "nickname": "ATA"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 578,
    "nickname": "United"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 1582,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 529,
    "nickname": "American"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 131,
    "nickname": "America West"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 465,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 93,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 118,
    "nickname": "Jetblue"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 112,
    "nickname": "Continental"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 207,
    "nickname": "Comair"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 521,
    "nickname": "Atlantic Southeast"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 325,
    "nickname": "Delta"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 538,
    "nickname": "Continental Express"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 723,
    "nickname": "USAir"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 358,
    "nickname": "American Eagle"
  },
  {
    "departure_month": "2005-08-01T00:00:00.000Z",
    "flight_count": 135,
    "nickname": "ATA"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 584,
    "nickname": "United"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 1564,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 493,
    "nickname": "American"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 457,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 126,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 124,
    "nickname": "Jetblue"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 1,
    "nickname": "America West"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 108,
    "nickname": "Continental"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
    "flight_count": 484,
    "nickname": "Atlantic Southeast"
  },
  {
    "departure_month": "2005-07-01T00:00:00.000Z",
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  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 533,
    "nickname": "Delta"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 118,
    "nickname": "Continental"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 1097,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 445,
    "nickname": "American"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 165,
    "nickname": "America West"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 455,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 118,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2000-04-01T00:00:00.000Z",
    "flight_count": 279,
    "nickname": "United"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 1117,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 517,
    "nickname": "American"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 177,
    "nickname": "America West"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 496,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 151,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 356,
    "nickname": "United"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 636,
    "nickname": "USAir"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 670,
    "nickname": "Delta"
  },
  {
    "departure_month": "2000-03-01T00:00:00.000Z",
    "flight_count": 132,
    "nickname": "Continental"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 565,
    "nickname": "USAir"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 534,
    "nickname": "Delta"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 108,
    "nickname": "Continental"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 1088,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 505,
    "nickname": "American"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 150,
    "nickname": "America West"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 465,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 135,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2000-02-01T00:00:00.000Z",
    "flight_count": 326,
    "nickname": "United"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 1114,
    "nickname": "Southwest"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 524,
    "nickname": "American"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 167,
    "nickname": "America West"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 523,
    "nickname": "Northwest"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 141,
    "nickname": "Alaska"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 276,
    "nickname": "United"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 554,
    "nickname": "USAir"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 623,
    "nickname": "Delta"
  },
  {
    "departure_month": "2000-01-01T00:00:00.000Z",
    "flight_count": 98,
    "nickname": "Continental"
  }
]
SELECT 
   DATE_TRUNC('month', flights."dep_time") as "departure_month",
   COUNT( 1) as "flight_count",
   carriers_0."nickname" as "nickname"
FROM '../data/flights.parquet' as flights
 LEFT JOIN '../data/carriers.parquet' AS carriers_0
  ON flights."carrier"=carriers_0."code"
GROUP BY 1,3
ORDER BY 1 desc NULLS LAST

Line Charts nested in tables

When line charts are nested in tables the size is reduced. Nested line charts increase the density of information provided by the result.

document
run: flights -> {
  group_by: destination
  aggregate: flight_count
  # line_chart
  nest: by_month is  {
    group_by: departure_month is dep_time.month
    aggregate: flight_count
    group_by: carriers.nickname
  }
  limit: 5
}
QUERY RESULTS
destinationflight_​countby_​month
ATL17,832
200020012002200320042005departure_month050100150200250flight_countAmerica WestAmericanAmerican EagleAtlantic SoutheastComairContinentalContinental ExpressDeltaJetblueNorthwestUSAirUnitednickname
DFW17,776
200020012002200320042005departure_month050100150flight_countATAAlaskaAmerica WestAmericanAmerican EagleAtlantic SoutheastComairContinentalContinental ExpressDeltaNorthwestUSAirUnitednickname
ORD14,213
200020012002200320042005departure_month050100150flight_countAmerica WestAmericanAmerican EagleComairContinentalContinental ExpressDeltaNorthwestUSAirUnitednickname
PHX12,477
200020012002200320042005departure_month020406080100120flight_countATAAlaskaAmerica WestAmericanContinentalContinental ExpressDeltaJetblueNorthwestSouthwestUSAirUnitednickname
LAS11,092
200020012002200320042005departure_month020406080100120140flight_countATAAlaskaAmerica WestAmericanDeltaJetblue