firestore-bigquery-export: typed arrays for schema views
See original GitHub issue[REQUIRED] Step 2: Extension name
This feature request is for extension: firestore-bigquery-export
, and in particular for the GENERATE_SCHEMA_VIEWS.md
What feature would you like to see?
Support for arrays of different types. For example, some of the arrays in our project have maps inside them. A natural way to handle this would be to create a value field for each of the keys in the map. Even now, it’s a bit strange that the array type doesn’t specify if it’s a string, number, boolean etc.
How would you use it?
To import and use bigquery on firestore objects that have arrays of nested maps.
Issue Analytics
- State:
- Created 3 years ago
- Reactions:16
- Comments:15 (12 by maintainers)
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Initial PR added. For discussion, initial results have produced something similar to the following:
And for the latest view
Samples results lead to multiple rows per array item.
Questions
Thank you @nwparker ! I have turned to looking at a combination of
unnest()
andjson_extract_array()
to extract the values from my data. I suspect I’ll be simply adding a hand-coded query to BQ rather than expecting@firebaseextensions/fs-bq-schema-views
to generate one for me.I got some good direction from this question I posted on Stackoverflow.