apache-arrow/vector/struct.js

Apache Arrow columnar in-memory format

"use strict";
// 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.
Object.defineProperty(exports, "__esModule", { value: true });
exports.StructVector = void 0;
const row_1 = require("./row");
const base_1 = require("./base");
/** @ignore */ const kRowIndex = Symbol.for('rowIndex');
/** @ignore */
class StructVector extends base_1.BaseVector {
    bind(index) {
        const proto = this._row || (this._row = new row_1.StructRow(this));
        const bound = Object.create(proto);
        bound[kRowIndex] = index;
        return bound;
    }
}
exports.StructVector = StructVector;

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