Quelques requêtes Elasticsearch utilisées lors de la démonstration Lucene @LorraineJug

queries_lorrainejug_gist.js

//-- pertinence et idf (Jean-Claude Jean après ville=Rueil)
{
  "query": {
    "bool": {
      "should": [
        {
          "text": {
            "nom": "jean"
          }
        },
        {
          "text": {
            "lieux": "rueil"
          }
        }
      ],
      "must": [],
      "must_not": [],
      "minimum_number_should_match": 1
    }
  }
}

//-- pertinence et idf (Jean-Claude Jean après ville=Rueil) avec explain
{
  "explain": 1,
  "query": {
    "bool": {
      "should": [
        {
          "text": {
            "nom": "jean"
          }
        },
        {
          "text": {
            "lieux": "rueil"
          }
        }
      ],
      "must": [],
      "must_not": [],
      "minimum_number_should_match": 1
    }
  }
}

//-- retourne des objets de types différents (utiliser les deux types dans requête http)
//-- exercice : pour quoi les personnes se retrouvent en premier ?
{
  "from": 0,
  "size": 20,
  "query": {
    "bool": {
      "should": [
        {
          "text": {
            "nom": "york"
          }
        },
        {
          "text": {
            "titre": "York"
          }
        }
      ],
      "must": [],
      "must_not": [],
      "minimum_number_should_match": 1
    }
  }
}

//-- highlight et auto-complétion
{
  "from": 0,
  "size": 20,
  "fields": [
    "nom.untouched"
  ],
  "query": {
    "query_string": {
      "default_field": "nom.comp",
      "query": "ce"
    }
  },
  "highlight": {
    "number_of_fragments": 0,
    "fields": {
      "nom.comp": {}
    }
  }
}

//-- utilisation du champs nom.basic pour faire la différence avec une recherche exacte
//-- sans nom.basic
{
  "from": 0,
  "size": 20,
  "query": {
    "bool": {
      "should": [
        {
          "text": {
            "nom": "céline"
          }
        }
      ],
      "must_not": [],
      "minimum_number_should_match": 1
    }
  }
}
//-- avec nom.basic
{
  "from": 0,
  "size": 20,
  "query": {
    "bool": {
      "should": [
        {
          "text": {
            "nom": "céline"
          }
        },
        {
          "text": {
            "nom.basic": "céline"
          }
        }
      ],
      "must_not": [],
      "minimum_number_should_match": 1
    }
  }
}

//-- fuzzy
{
  "query": {
    "bool": {
      "must": [
        {
          "fuzzy": {
            "nom": {
              "value": "schvartzeneger",
              "min_similarity": 0.7
            }
          }
        }
      ],
      "must_not": [],
      "should": []
    }
  }
}

//-- dimminuer la min_similarity
{
  "query": {
    "bool": {
      "must": [
        {
          "fuzzy": {
            "nom": {
              "value": "schvartzenegar",
              "min_similarity": 0.6
            }
          }
        }
      ],
      "must_not": [],
      "should": []
    }
  }
}

//-- stallone maintenant
{
  "query": {
    "bool": {
      "must": [
        {
          "fuzzy": {
            "nom": {
              "value": "stalone",
              "min_similarity": 0.7
            }
          }
        }
      ],
      "must_not": [],
      "should": []
    }
  }
}

//-- rajouter un prefix_length
//-- sans prefix_length
{
  "query": {
    "bool": {
      "must": [
        {
          "fuzzy": {
            "nom": {
              "value": "celin",
              "min_similarity": 0.7
            }
          }
        }
      ],
      "must_not": [],
      "should": []
    }
  }
}
//-- avec prefix_length
{
  "query": {
    "bool": {
      "must": [
        {
          "fuzzy": {
            "nom": {
              "value": "celin",
              "min_similarity": 0.7,
              "prefix_length": 2
            }
          }
        }
      ],
      "must_not": [],
      "should": []
    }
  }
}

//-- facettes
{
  "query": {
    "matchAll": {}
  },
  "facets": {
    "genre": {
      "terms": {
        "field": "genre",
        "all_terms": true
      }
    },
    "pays": {
      "terms": {
        "field": "pays",
        "all_terms": true
      }
    },
    "langue": {
      "terms": {
        "field": "langue",
        "all_terms": true
      }
    }
  }
}

//-- facettes + filtre
{
  "query": {
    "matchAll": {}
  },
  "filter": {
    "term": {
      "langue": "français"
    }
  },
  "facets": {
    "genre": {
      "terms": {
        "field": "genre",
        "all_terms": true
      }
    },
    "pays": {
      "terms": {
        "field": "pays",
        "all_terms": true
      }
    },
    "langue": {
      "terms": {
        "field": "langue",
        "all_terms": true
      }
    }
  }
}