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Posted to issues@arrow.apache.org by "Brian Hulette (JIRA)" <ji...@apache.org> on 2018/08/13 14:37:00 UTC
[jira] [Comment Edited] (ARROW-2686) [JS] Add more documentation
about loading a local Arrow IPC in Node
[ https://issues.apache.org/jira/browse/ARROW-2686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16578347#comment-16578347 ]
Brian Hulette edited comment on ARROW-2686 at 8/13/18 2:36 PM:
---------------------------------------------------------------
Closed in [#2125|https://github.com/apache/arrow/pull/2125]
was (Author: bhulette):
Closed in [#2125](https://github.com/apache/arrow/pull/2125)
> [JS] Add more documentation about loading a local Arrow IPC in Node
> -------------------------------------------------------------------
>
> Key: ARROW-2686
> URL: https://issues.apache.org/jira/browse/ARROW-2686
> Project: Apache Arrow
> Issue Type: Improvement
> Components: JavaScript
> Reporter: Dominik Moritz
> Priority: Major
> Fix For: JS-0.4.0
>
>
> I'm trying to create load an arrow file in IPC format.
> First, I load the library
> import { Table } from "@apache-arrow/es2015-esm";
> Then, I fetch the file and convert it to the buffer (it would be nice if this wasn't necessary)
> fetch(require("../data/flights-10k.arrow")).then(response => {
> response.blob().then(blob => {
> let arrayBuffer;
> const fileReader = new FileReader();
> fileReader.onload = function() {
> arrayBuffer = this.result;
> const table = Table.from(arrayBuffer);
> console.log(table.toString());
> };
> fileReader.readAsArrayBuffer(blob);
> });
> });
> Now I get the error "Uncaught TypeError: Cannot read property 'fields' of undefined"
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