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proto.go
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/
proto.go
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/*
* Copyright 2016 Dgraph Labs, 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 query
import (
"github.com/dgraph-io/dgraph/query/graph"
"github.com/dgraph-io/dgraph/types"
"github.com/dgraph-io/dgraph/x"
geom "github.com/twpayne/go-geom"
)
// This file contains helper functions for converting scalar types to
// protobuf values.
func toProtoValue(v types.Val) *graph.Value {
switch val := v.Value.(type) {
case string:
return &graph.Value{&graph.Value_StrVal{string(val)}}
case int32:
return &graph.Value{&graph.Value_IntVal{int32(val)}}
case float64:
return &graph.Value{&graph.Value_DoubleVal{float64(val)}}
case bool:
return &graph.Value{&graph.Value_BoolVal{bool(val)}}
case geom.T:
b := types.ValueForType(types.BinaryID)
src := types.ValueForType(types.GeoID)
src.Value = val
x.Check(types.Marshal(src, &b))
return &graph.Value{&graph.Value_GeoVal{b.Value.([]byte)}}
default:
// A type that isn't supported in the proto
return nil
}
}