38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
|
|
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
|
|
// except in compliance with the License. You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
// Unless required by applicable law or agreed to in writing, software distributed under the
|
|
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
|
|
// either express or implied. See the License for the specific language governing permissions
|
|
// and limitations under the License.
|
|
|
|
package search
|
|
|
|
func MergeLocations(locations []FieldTermLocationMap) FieldTermLocationMap {
|
|
rv := locations[0]
|
|
|
|
for i := 1; i < len(locations); i++ {
|
|
nextLocations := locations[i]
|
|
for field, termLocationMap := range nextLocations {
|
|
rvTermLocationMap, rvHasField := rv[field]
|
|
if rvHasField {
|
|
rv[field] = MergeTermLocationMaps(rvTermLocationMap, termLocationMap)
|
|
} else {
|
|
rv[field] = termLocationMap
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv
|
|
}
|
|
|
|
func MergeTermLocationMaps(rv, other TermLocationMap) TermLocationMap {
|
|
for term, locationMap := range other {
|
|
// for a given term/document there cannot be different locations
|
|
// if they came back from different clauses, overwrite is ok
|
|
rv[term] = locationMap
|
|
}
|
|
return rv
|
|
}
|