I have tried the following code, but no matter what, I can't seem to pick up the object key when streaming in the file: WebJSON is a great data transfer format, and one that is extremely easy to use in Snowflake. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. As you can guess, the nextToken() call each time gives the next parsing event: start object, start field, start array, start object, , end object, , end array, . It gets at the same effect of parsing the file It needs to be converted to a native JavaScript object when you want to access As an example, lets take the following input: For this simple example it would be better to use plain CSV, but just imagine the fields being sparse or the records having a more complex structure. Just like in JavaScript, objects can contain multiple name/value pairs: JSON arrays are written inside square brackets. On whose turn does the fright from a terror dive end? You should definitely check different approaches and libraries. Heres some additional reading material to help zero in on the quest to process huge JSON files with minimal resources. Each object is a record of a person (with a first name and a last name). International House776-778 Barking RoadBARKING LondonE13 9PJ. How to parse large JSON file in Node.js? - The Web Dev A name/value pair consists of a field name (in double quotes), and display the data in a web page. It accepts a dictionary that has column names as the keys and column types as the values. Have you already tried all the tips we covered in the blog post? It gets at the same effect of parsing the file as both stream and object. How can I pretty-print JSON in a shell script? Copyright 2016-2022 Sease Ltd. All rights reserved. It handles each record as it passes, then discards the stream, keeping memory usage low.
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