queryString¶

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db.movies.aggregate([
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   {
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      $search: {
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         "queryString": {
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            "defaultPath": "title",
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            "query": "Rocky AND (IV OR 4 OR Four)"
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         }
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      }
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   },
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   {
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      $project: {
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         "_id": 0,
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         "title": 1
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      }
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   }
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])

{ "title" : "Rocky IV" }

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db.movies.aggregate([
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   {
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      $search: {
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         "queryString": {
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            "defaultPath": "plot",
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            "query": "title:\"The Italian\" AND genres:Drama"
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         }
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      }
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   },
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   {
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      $project: {
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         "_id": 1,
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         "title": 1,
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         "plot": 1,
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         "genres": 1,
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         score: { $meta: "searchScore" }
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      }
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   }
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])

1
{
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  "_id" : ObjectId("573a1390f29313caabcd56df"),
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  "plot" : "An immigrant leaves his sweetheart in Italy to find a better life across the sea in the grimy slums of New York. They are eventually reunited and marry. But life in New York is hard and ...",
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  "genres" : [ "Drama" ],
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 "title" : "The Italian",
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 "score" : 4.975106716156006
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}
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{
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  "_id" : ObjectId("573a13b3f29313caabd3e36c"),
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  "plot" : "Set in 2002, an abandoned 5-year-old boy living in a rundown orphanage in a small Russian village is adopted by an Italian family.",
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  "genres" : [ "Drama" ],
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  "title" : "The Italian",
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  "score" : 4.975106716156006
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}
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{
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  "_id" : ObjectId("573a13c7f29313caabd756ee"),
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  "plot" : "A romantic fairy tale about a 19-year old orphan girl who, as her sole inheritance, gets an antique key that unlocks both an old Italian villa and the secrets of her family history.",
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  "genres" : [ "Comedy", "Drama", "Romance" ],
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  "title" : "The Italian Key",
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  "score" : 4.221206188201904
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}
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{
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  "_id" : ObjectId("573a13caf29313caabd7d1e4"),
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  "plot" : "A chronicle of the 1969 bombing at a major national bank in Milan and its aftermath.",
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  "genres" : [ "Drama" ],
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  "title" : "Piazza Fontana: The Italian Conspiracy",
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  "score" : 3.4441356658935547
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}

1
db.movies.aggregate([
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   {
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      $search: {
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         "queryString": {
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            "defaultPath": "fullplot",
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            "query": "plot:(captain OR kirk) AND enterprise"
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         }
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      }
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   },
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   {
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      $limit: 3
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   },
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   {
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      $project: {
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         "_id": 0,
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         "title": 1,
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         "plot": 1,
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         "fullplot": 1,
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         score: { $meta: "searchScore" }
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      }
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   }
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])

1
{ "plot" : "Captain Picard, with the help of supposedly dead Captain Kirk, must stop a madman willing to murder on a planetary scale in order to enter an energy ribbon.",
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"fullplot" : "In the late 23rd century, the gala maiden voyage of the third Starship Enterprise (NCC-1701-B) boasts such luminaries as Pavel Chekov, Montgomery Scott and the legendary Captain James T. Kirk as guests. But the maiden voyage turns to disaster as the unprepared ship is forced to rescue two transport ships from a mysterious energy ribbon. The Enterprise manages to save a handful of the ships' passengers and barely makes it out intact... but at the cost of Captain Kirk's life. Seventy-eight years later, Captain Jean-Luc Picard and the crew of the Enterprise-D find themselves at odds with the renegade scientist Tolian Soran... who is destroying entire star systems. Only one man can help Picard stop Soran's scheme... and he's been dead for seventy-eight years.",
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"title" : "Star Trek: Generations",
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"score" : 11.274821281433105 }
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{ "plot" : "Captain Kirk and his crew must deal with Mr. Spock's long-lost half-brother who hijacks the Enterprise for an obsessive search for God at the center of the galaxy.",
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"fullplot" : "When the newly-christened starship Enterprise's shakedown cruise goes poorly, Captain Kirk and crew put her into Spacedock for repairs. But an urgent mission interrupts their Earth-bound shore leave. A renegade Vulcan named Sybok has taken three ambassadors hostage on Nimbus III, the Planet of Galactic Peace. This event also attracts the attention of a Klingon captain who wants to make a name for himself and sets out to pursue the Enterprise. Sybok's ragtag army captures the Enterprise and takes her on a journey to the center of the galaxy in search of the Supreme Being.",
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"title" : "Star Trek V: The Final Frontier",
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"score" : 9.889547348022461 }
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{ "plot" : "When an alien spacecraft of enormous power is spotted approaching Earth, Admiral Kirk resumes command of the Starship Enterprise in order to intercept, examine and hopefully stop the intruder.",
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"fullplot" : "A massive alien spacecraft of enormous power is approaching Earth, destroying everything in its path. The only star ship in range is the USS Enterprise still in dry-dock after a major overhaul. As Captain Willard Decker readies his ship and his crew to face this menace, Admiral James T. Kirk arrives with orders to take command of the Enterprise and intercept the alien intruder. But it has been three years since Kirk last commanded the Enterprise on its historic five year mission... is he up to the task of saving the Earth?",
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"title" : "Star Trek: The Motion Picture",
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"score" : 8.322310447692871 }