Improve issue search (#2387)

* Improve issue indexer

* Fix new issue sqlite bug

* Different test indexer paths for each db

* Add integration indexer paths to make clean

vendor/github.com/blevesearch/bleve/mapping/document.go

@@ -15,6 +15,7 @@
 package mapping
 
 import (
+	"encoding"
 	"encoding/json"
 	"fmt"
 	"reflect"
@@ -75,7 +76,7 @@ func (dm *DocumentMapping) Validate(cache *registry.Cache) error {
 			}
 		}
 		switch field.Type {
-		case "text", "datetime", "number", "boolean":
+		case "text", "datetime", "number", "boolean", "geopoint":
 		default:
 			return fmt.Errorf("unknown field type: '%s'", field.Type)
 		}
@@ -481,8 +482,56 @@ func (dm *DocumentMapping) processProperty(property interface{}, path []string,
 				fieldMapping := newDateTimeFieldMappingDynamic(context.im)
 				fieldMapping.processTime(property, pathString, path, indexes, context)
 			}
-		default:
+		case encoding.TextMarshaler:
+			txt, err := property.MarshalText()
+			if err == nil && subDocMapping != nil {
+				// index by explicit mapping
+				for _, fieldMapping := range subDocMapping.Fields {
+					if fieldMapping.Type == "text" {
+						fieldMapping.processString(string(txt), pathString, path, indexes, context)
+					}
+				}
+			}
 			dm.walkDocument(property, path, indexes, context)
+		default:
+			if subDocMapping != nil {
+				for _, fieldMapping := range subDocMapping.Fields {
+					if fieldMapping.Type == "geopoint" {
+						fieldMapping.processGeoPoint(property, pathString, path, indexes, context)
+					}
+				}
+			}
+			dm.walkDocument(property, path, indexes, context)
+		}
+	case reflect.Map:
+		if subDocMapping != nil {
+			for _, fieldMapping := range subDocMapping.Fields {
+				if fieldMapping.Type == "geopoint" {
+					fieldMapping.processGeoPoint(property, pathString, path, indexes, context)
+				}
+			}
+		}
+		dm.walkDocument(property, path, indexes, context)
+	case reflect.Ptr:
+		if !propertyValue.IsNil() {
+			switch property := property.(type) {
+			case encoding.TextMarshaler:
+
+				txt, err := property.MarshalText()
+				if err == nil && subDocMapping != nil {
+					// index by explicit mapping
+					for _, fieldMapping := range subDocMapping.Fields {
+						if fieldMapping.Type == "text" {
+							fieldMapping.processString(string(txt), pathString, path, indexes, context)
+						}
+					}
+				} else {
+					dm.walkDocument(property, path, indexes, context)
+				}
+
+			default:
+				dm.walkDocument(property, path, indexes, context)
+			}
 		}
 	default:
 		dm.walkDocument(property, path, indexes, context)