Flattening Nested JSON with BigQuery UDF and dbt Macros

This method lets you handle and transform nested JSON data right where it lives, using good old SQL and some clever dbt tricks.

Eric Dong on LinkedIn: Flattening Nested JSON with BigQuery UDF ...

In this blog post, we're going to break down a cool workaround using Google BigQuery's User-Defined Functions (UDFs) alongside dbt macros. This ...

Unraveling Nested JSON with dbt and BigQuery: A Hands-On Guide

In this tutorial, we will take you through a hands-on guide to turn complex nested JSON files into accessible, flattened tables ready for analysis!

Single pass multi field json extraction with BigQuery and dbt (huge ...

... a single JSON field in BigQuery using UDFs generated by dbt macros. During benchmarking, we observed a 150% performance increase …

James Burke on LinkedIn: Unraveling Nested JSON with dbt and ...

In this blog post, we're going to break down a cool workaround using Google BigQuery's User-Defined Functions (UDFs) alongside dbt macros. This method lets you ...

BigQuery UDF for expanding json to record - Stack Overflow

https://github.com/fishtown-analytics/dbt-utils/blob/master/macros/sql/get_column_values.sql ... How to flatten a struct in bigquery standard sql?

Using dbt Macro to flatten JSON in Snowflake - Notion

A deep dive into the development of a macro to explode your nested N-level JSON columns.

How to map object/json array in Snowflake SQL / DBT Macro?

... flatten in SQL will make things quite complex. The UDF approach seems neat and the UDF is easily re-usable. Thx a lot! – Patrick Hammer.

Using dbt Macros to flatten JSON Objects - Infostrux Engineering Blog

Reading and flattening the fields containing JSON objects is not a big deal for data professionals ... complex structures. ); Add the ...

SQL + Jinja is not enough — why we need DataFrames | by Furcy Pin

Even with BigQuery, we may often need to flatten a nested structure ... Macros in dbt are reusable code blocks, similar to functions in ...

User-defined functions | BigQuery - Google Cloud

A user-defined function (UDF) lets you create a function by using a SQL expression or JavaScript code.

Ironman's Lab

Flattening Nested JSON with BigQuery UDF and dbt Macros. A workaround with limited ETL tooling. Posted on May 2, 2024. Dealing with nested JSON data can feel ...

BigQuery's UNNEST() Operator — How-tos with examples.

... flattening my tables in BigQuery as the data was nested in multiple layers of arrays…

JavaScript UDFs - Alteryx Help Documentation

UDFs cannot be used in macros. ... Use of the export keyword in other areas of your code cause failures if the UDF is executed as part of a BigQuery pushdown ...

Support BigQuery UDFs (and other ddl) by pulling them out ... - GitHub

Support temporary UDFs by adding a wrapping {{ call }} around the UDF. This call will invoke a bigquery adapter.sql macro to set a config value with the UDF.

Practical dbt : Flatten Json with dbt | by Goodchild - Medium

... flattening a JSON file using dbt.JSON is a popular data interchange format. However, JSON data often comes in nested structures that are…

How to Flatten a json column only on root level in big query - Reddit

One option is Javascript UDF. Since Javascript can dynamically handle JSONs, it can extract each key value pair and return an array. However, ...

Teradata Connections - Alteryx Help Documentation

Tables inside the DBC database are not listed due to technical constraints; however you can access the tables through custom SQL. Custom SQL is supported.

what does your company's current data landscape look like? Which ...

... JSON files in a daily base. Upvote 2. Downvote Award Share ... I'm on an Airflow + Big Query + DBT stack. Never had the need for ...

10 Mini Projects for Just-in-time Learning - ProjectPro

How to Flatten the Nested Array DataFrame column into the single array column using Apache Spark ... Convert multi nested JSON files into the CSV file in NiFi ...