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no_field.go
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/
no_field.go
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/*
* Copyright The OpenTelemetry Authors
*
* 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 transform
import "github.com/apache/arrow/go/v16/arrow"
// NoField is a FieldTransform that returns nil, so in practice it removes the
// field.
type NoField struct{}
func (t *NoField) Transform(_ *arrow.Field) *arrow.Field {
return nil
}
func (t *NoField) RevertCounters() {}
func (t *NoField) Path() string {
return "undefined"
}