SOLR-10567: add support for DateRangeField in JSON facet range

solr/CHANGES.txt

@@ -207,6 +207,8 @@ Improvements
 
 * SOLR-14221: Upgrade restlet to version 2.4.0 (janhoy)
 
+* SOLR-10567: Add Support for DateRangeField in JSON Facet range (Stephen Weiss, Munendra S N)
+
 Optimizations
 ---------------------
 

solr/core/src/java/org/apache/solr/search/facet/FacetRange.java

@@ -32,6 +32,7 @@ import org.apache.solr.common.params.FacetParams.FacetRangeOther;
 import org.apache.solr.common.util.SimpleOrderedMap;
 import org.apache.solr.schema.CurrencyFieldType;
 import org.apache.solr.schema.CurrencyValue;
+import org.apache.solr.schema.DateRangeField;
 import org.apache.solr.schema.ExchangeRateProvider;
 import org.apache.solr.schema.FieldType;
 import org.apache.solr.schema.SchemaField;
@@ -249,6 +250,8 @@ class FacetRangeProcessor extends FacetProcessor<FacetRange> {
       }
     } else if (ft instanceof CurrencyFieldType) {
       return new CurrencyCalc(sf);
+    } else if (ft instanceof DateRangeField) {
+      return new DateCalc(sf, null);
     }
 
     // if we made it this far, we have no idea what it is...
@@ -737,6 +740,7 @@ class FacetRangeProcessor extends FacetProcessor<FacetRange> {
       return ((Number) value).floatValue() + Float.parseFloat(gap);
     }
   }
+
   private static class DoubleCalc extends Calc {
     @Override
     public Comparable bitsToValue(long bits) {
@@ -762,6 +766,7 @@ class FacetRangeProcessor extends FacetProcessor<FacetRange> {
       return ((Number) value).doubleValue() + Double.parseDouble(gap);
     }
   }
+
   private static class IntCalc extends Calc {
 
     public IntCalc(final SchemaField f) { super(f); }
@@ -778,6 +783,7 @@ class FacetRangeProcessor extends FacetProcessor<FacetRange> {
       return ((Number) value).intValue() + Integer.parseInt(gap);
     }
   }
+
   private static class LongCalc extends Calc {
 
     public LongCalc(final SchemaField f) { super(f); }
@@ -790,13 +796,15 @@ class FacetRangeProcessor extends FacetProcessor<FacetRange> {
       return ((Number) value).longValue() + Long.parseLong(gap);
     }
   }
+
   private static class DateCalc extends Calc {
     private final Date now;
     public DateCalc(final SchemaField f,
                     final Date now) {
       super(f);
       this.now = now;
-      if (! (field.getType() instanceof TrieDateField) && !(field.getType().isPointField()) ) {
+      if (!(field.getType() instanceof TrieDateField || field.getType().isPointField() ||
+          field.getType() instanceof DateRangeField)) {
         throw new IllegalArgumentException("SchemaField must use field type extending TrieDateField, DateRangeField or PointField");
       }
     }

solr/core/src/test-files/solr/collection1/conf/schema_latest.xml

@@ -226,6 +226,9 @@
   <dynamicField name="*_dtd" type="date" indexed="true" stored="false" docValues="true"/>
   <dynamicField name="*_dtds" type="date" indexed="true" stored="false" multiValued="true" docValues="true"/>
 
+  <dynamicField name="*_drf" type="dateRange" indexed="true" stored="true"/>
+  <dynamicField name="*_drfs" type="dateRange" indexed="true" multiValued="true" stored="true"/>
+
   <!-- docvalues and stored (S suffix) -->
   <dynamicField name="*_idS" type="int" indexed="true" stored="true" docValues="true"/>
   <dynamicField name="*_idsS" type="int" indexed="true" stored="true" multiValued="true" docValues="true"/>
@@ -437,6 +440,7 @@
   <!-- A Trie based date field for faster date range queries and date faceting. -->
   <fieldType name="tdate" class="${solr.tests.DateFieldType}" precisionStep="6" positionIncrementGap="0"/>
 
+  <fieldType name="dateRange" class="solr.DateRangeField"/>
 
   <!--Binary data type. The data should be sent/retrieved in as Base64 encoded Strings -->
   <fieldtype name="binary" class="solr.BinaryField"/>

solr/core/src/test/org/apache/solr/search/facet/TestJsonFacets.java

@@ -3463,6 +3463,62 @@ public class TestJsonFacets extends SolrTestCaseHS {
         "facets=={count:6, price:{buckets:[{val:\"[*,*]\",count:5}]}}");
   }
 
+  @Test
+  public void testDateFacets() throws Exception {
+    Client client = Client.localClient();
+    client.deleteByQuery("*:*", null);
+    boolean multiValue = random().nextBoolean();
+    String dateField = multiValue? "b_dts": "b_dt";
+    String dateRange = multiValue? "b_drfs": "b_drf";
+
+    client.add(sdoc("id", "1", "cat_s", "A", dateField, "2014-03-15T12:00:00Z",
+        dateRange, "2014-03-15T12:00:00Z"), null);
+    client.add(sdoc("id", "2", "cat_s", "B", dateField, "2015-01-03T00:00:00Z",
+        dateRange, "2015-01-03T00:00:00Z"), null);
+    client.add(sdoc("id", "3"), null);
+    client.commit();
+    client.add(sdoc("id", "4", "cat_s", "A", dateField, "2014-03-15T12:00:00Z",
+        dateRange, "2014-03-15T12:00:00Z"), null);
+    client.add(sdoc("id", "5", "cat_s", "B", dateField, "2015-01-03T00:00:00Z",
+        dateRange, "2015-01-03T00:00:00Z"),null);
+    client.commit();
+    client.add(sdoc("id", "6", "cat_s", "B", dateField, "2014-03-15T12:00:00Z",
+        dateRange, "2014-03-15T12:00:00Z"),null);
+    client.commit();
+
+    SolrParams p = params("q", "*:*", "rows", "0");
+    for (String s : new String[]{dateField, dateRange}) {
+      client.testJQ(params(p, "json.facet"
+          , "{date:{type : range, mincount:1, field :" + s +
+              ",start:'2013-11-01T00:00:00Z',end:NOW,gap:'+90DAY'}}"),
+          "facets=={count:6, date:{buckets:" +
+              "[{val:\"2014-01-30T00:00:00Z\",count:3}, {val:\"2014-10-27T00:00:00Z\",count:2}]" +
+              "}}");
+
+      // with ranges
+      client.testJQ(params(p, "json.facet"
+          , "{date:{type : range, mincount:1, field :" + s +
+              ",ranges:[{from:'2013-11-01T00:00:00Z', to:'2014-04-30T00:00:00Z'}," +
+              "{from:'2015-01-01T00:00:00Z', to:'2020-01-30T00:00:00Z'}]}}"),
+          "facets=={count:6, date:{buckets:" +
+              "[{val:\"[2013-11-01T00:00:00Z,2014-04-30T00:00:00Z)\",count:3}," +
+              " {val:\"[2015-01-01T00:00:00Z,2020-01-30T00:00:00Z)\",count:2}]" +
+              "}}");
+    }
+
+    client.add(sdoc("id", "7", "cat_s", "B", dateRange, "[2010 TO 2014-05-21]"),null);
+    client.commit();
+    client.testJQ(params(p, "json.facet"
+        , "{date:{type : range, other:'before', field :" + dateRange +
+            ",start:'2011-11-01T00:00:00Z',end:'2016-01-30T00:00:00Z',gap:'+1YEAR'}}"),
+        "facets=={count:7, date:{buckets:[" +
+            "{val:\"2011-11-01T00:00:00Z\",count:1}, {val:\"2012-11-01T00:00:00Z\",count:1}," +
+            "{val:\"2013-11-01T00:00:00Z\",count:4}, {val:\"2014-11-01T00:00:00Z\",count:2}," +
+            "{val:\"2015-11-01T00:00:00Z\",count:0}" +
+            "],before:{count:1}" +
+            "}}");
+  }
+
   @Test
   public void testRangeFacetWithRangesInNewFormat() throws Exception {
     Client client = Client.localClient();