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{{/*
Copyright 2019-present Facebook Inc. All rights reserved.
This source code is licensed under the Apache 2.0 license found
in the LICENSE file in the root directory of this source tree.
*/}}
{{ define "dialect/gremlin/select" }}
{{ $builder := pascal $.Scope.Builder }}
{{ $receiver := receiver $builder }}
func ({{ $receiver }} *{{ $builder }}) gremlinScan(ctx context.Context, v interface{}) error {
var (
traversal *dsl.Traversal
res = &gremlin.Response{}
)
if len({{ $receiver }}.fields) == 1 {
if {{ $receiver }}.fields[0] != {{ $.Package }}.FieldID {
traversal = {{ $receiver }}.gremlin.Values({{ $receiver }}.fields...)
} else {
traversal = {{ $receiver }}.gremlin.ID()
}
} else {
fields := make([]interface{}, len({{ $receiver }}.fields))
for i, f := range {{ $receiver }}.fields {
fields[i] = f
}
traversal = {{ $receiver }}.gremlin.ValueMap(fields...)
}
query, bindings := traversal.Query()
if err := {{ $receiver }}.driver.Exec(ctx, query, bindings, res); err != nil {
return err
}
if len({{ $receiver }}.fields) == 1 {
return res.ReadVal(v)
}
vm, err := res.ReadValueMap()
if err != nil {
return err
}
return vm.Decode(v)
}
{{ end }}
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