JSON 分面 API

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "categories" : {
      "type": "terms",
      "field": "cat",
      "limit": 3
    }
  }
}'

final TermsFacetMap categoryFacet = new TermsFacetMap("cat").setLimit(3);
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("categories", categoryFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
q=memory&
fq=inStock:true&
json.facet={
  "avg_price" : "avg(price)",
  "num_suppliers" : "unique(manu_exact)",
  "median_weight" : "percentile(weight,50)"
}'

final JsonQueryRequest request =
    new JsonQueryRequest()
        .setQuery("memory")
        .withFilter("inStock:true")
        .withStatFacet("avg_price", "avg(price)")
        .withStatFacet("min_manufacturedate_dt", "min(manufacturedate_dt)")
        .withStatFacet("num_suppliers", "unique(manu_exact)")
        .withStatFacet("median_weight", "percentile(weight,50)");
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    categories:{
      "type": "terms",
      "field" : "cat",
      "limit" : 5
    }
  }
}'

final TermsFacetMap categoryFacet = new TermsFacetMap("cat").setLimit(5);
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("categories", categoryFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "high_popularity": {
      "type": "query",
      "q": "popularity:[8 TO 10]"
    }
  }
}'

QueryFacetMap queryFacet = new QueryFacetMap("popularity:[8 TO 10]");
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("high_popularity", queryFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "high_popularity": {
      "type": "query",
      "q": "popularity:[8 TO 10]",
      "facet" : {
        "average_price" : "avg(price)"
      }
    }
  }
}'

QueryFacetMap queryFacet =
    new QueryFacetMap("popularity:[8 TO 10]").withStatSubFacet("average_price", "avg(price)");
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("high_popularity", queryFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "prices": {
      "type": "range",
      "field": "price",
      "start": 0,
      "end": 100,
      "gap": 20
    }
  }
}'

RangeFacetMap rangeFacet = new RangeFacetMap("price", 0.0, 100.0, 20.0);
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("prices", rangeFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/spatialdata/query -d '
{
  "query": "*:*",
  "facet": {
    "locations": {
      "type": "heatmap",
      "field": "location_srpt",
      "geom": "[\"50 20\" TO \"180 90\"]",
      "gridLevel": 4
    }
  }
}'

final JsonQueryRequest request =
    new JsonQueryRequest()
        .setQuery("*:*")
        .setLimit(0)
        .withFacet(
            "locations",
            new HeatmapFacetMap("location_srpt")
                .setHeatmapFormat(HeatmapFacetMap.HeatmapFormat.INTS2D)
                .setRegionQuery("[\"50 20\" TO \"180 90\"]")
                .setGridLevel(4));

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "filter": [
    "price:[1.0 TO *]",
    "popularity:[0 TO 10]"
  ],
  "facet": {
    "avg_value": "avg(div(popularity,price))"
  }
}'

final JsonQueryRequest request =
    new JsonQueryRequest()
        .setQuery("*:*")
        .withFilter("price:[1.0 TO *]")
        .withFilter("popularity:[0 TO 10]")
        .withStatFacet("min_manu_id_s", "min(manu_id_s)")
        .withStatFacet("avg_value", "avg(div(popularity,price))");
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "filter": [
    "price:[1.0 TO *]",
    "popularity:[0 TO 10]"
  ],
  "facet": {
    "avg_value" : {
      "type": "func",
      "func": "avg(div($numer,$denom))",
      "numer": "mul(popularity,3.0)",
      "denom": "price"
    }
  }
}'

final Map<String, Object> expandedStatFacet = new HashMap<>();
expandedStatFacet.put("type", "func");
expandedStatFacet.put("func", "avg(div($numer,$denom))");
expandedStatFacet.put("numer", "mul(popularity,3.0)");
expandedStatFacet.put("denom", "price");
final JsonQueryRequest request =
    new JsonQueryRequest()
        .setQuery("*:*")
        .withFilter("price:[1.0 TO *]")
        .withFilter("popularity:[0 TO 10]")
        .withFacet("avg_value", expandedStatFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "categories": {
      "type": "terms",
      "field": "cat",
      "limit": 3
    }
  }
}'

final TermsFacetMap categoryFacet = new TermsFacetMap("cat").setLimit(3);
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("categories", categoryFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "categories": {
      "type": "terms",
      "field": "cat",
      "limit": 3,
      "facet": {
        "top_manufacturer": {
          "type": "terms",
          "field": "manu_id_s",
          "limit": 1
        }
      }
    }
  }
}'

final TermsFacetMap topCategoriesFacet = new TermsFacetMap("cat").setLimit(3);
final TermsFacetMap topManufacturerFacet = new TermsFacetMap("manu_id_s").setLimit(1);
topCategoriesFacet.withSubFacet("top_manufacturers", topManufacturerFacet);
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("categories", topCategoriesFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);

curl https://127.0.0.1:8983/solr/techproducts/query -d '
{
  "query": "*:*",
  "facet": {
    "categories":{
      "type" : "terms",     // terms facet creates a bucket for each indexed term in the field
      "field" : "cat",
      "limit": 3,
      "sort" : "avg_price desc",
      "facet" : {
        "avg_price" : "avg(price)",
      }
    }
  }
}'

final TermsFacetMap topCategoriesFacet =
    new TermsFacetMap("cat")
        .setLimit(3)
        .withStatSubFacet("avg_price", "avg(price)")
        .setSort("avg_price desc");
final JsonQueryRequest request =
    new JsonQueryRequest().setQuery("*:*").withFacet("categories", topCategoriesFacet);
QueryResponse queryResponse = request.process(solrClient, COLLECTION_NAME);