apache-arrow/src/builder/null.ts

Apache Arrow columnar in-memory format

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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.

import { Null } from '../type.js';
import { Builder } from '../builder.js';

/** @ignore */
export class NullBuilder<TNull = any> extends Builder<Null, TNull> {
    // @ts-ignore
    public setValue(index: number, value: null) { }
    public setValid(index: number, valid: boolean) {
        this.length = Math.max(index + 1, this.length);
        return valid;
    }
}