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