Elasticsearch - term, range, prefix, wildcard, regex

es-1.json

// Term queries don't analyze the query, just search for the exact term in the inverted index >>>>>>>>>
  "query": {
    "term": {
      "name": "Framework"
    }
  }
}

GET /product/_search
{
  "query": {
    "match": {
      "name": "Framework"
    }
  }
}

// Understand the relevance scores >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "explain": true,
  "query": {
    "term": {
      "name": "framework"
    }
  }
}

// Prefix search >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "prefix": {
      "name": "frame"
    }
  }
}

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "name" : "Django Framework 2: Beginner",
          "price" : 59.0,
          "description" : "Learn Django Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "python",
            "Django framework"
          ]
        }
      },
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

// Fetch all documents having non-null values  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "exists": {
      "field": "status"
    }
  }
}

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "name" : "Django Framework 2: Beginner",
          "price" : 59.0,
          "description" : "Learn Django Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "python",
            "Django framework"
          ]
        }
      },
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

// Range search  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "range": {
      "price": {
        "gte": 0.00,
        "lte": 60.00
      }
    }
  }
}

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "name" : "Django Framework 2: Beginner",
          "price" : 59.0,
          "description" : "Learn Django Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "python",
            "Django framework"
          ]
        }
      }
    ]
  }
}

// Seach based on ids  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "ids": {
      "values": [ 1, 2, 3 ]
    }
  }
}

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "name" : "Django Framework 2: Beginner",
          "price" : 59.0,
          "description" : "Learn Django Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "python",
            "Django framework"
          ]
        }
      },
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

// Search by exact value >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "term": {
      "price": 109.00
    }
  }
}

{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

// Mutiple terms >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "terms": {
      "tags": [ "java", "framework" ]
    }
  }
}

{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

// Search based on regex >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "regexp": {
      "tags": "ja[a-zA-Z]+"
    }
  }
}

{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

// Wildcard search >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
GET /product/_search
{
  "query": {
    "wildcard": {
      "tags": "Spr*work"
    }
  }
}

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}

GET /product/_search
{
  "query": {
    "wildcard": {
      "tags": "ja?a"
    }
  }
}

{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "product",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "name" : "Spring Framework 2: Beginner",
          "price" : 109.0,
          "description" : "Learn Spring Framework",
          "status" : "active",
          "quantity" : 1,
          "categories" : [
            {
              "name" : "Software"
            }
          ],
          "tags" : [
            "java",
            "Spring framework"
          ]
        }
      }
    ]
  }
}