GitHub user dadepo added a comment to the discussion: Does DataFusion Support
JSON Path Filtering Like `jsonb_path_exists` in PostgreSQL?
> You could create a function called `jsonb_path_exists` that takes a binary
> column and a json path string perhaps?
I think what I am missing is how this can be used via the expression API. Using
sql, I know I can do something like:
```
SessionContext.sql("select jsonb_path_exists(d_col, path)")
```
But via the expression API, how will that look? ie
```
df.filter(col('d_col')...)
```
How will that look?
GitHub link:
https://github.com/apache/datafusion/discussions/15264#discussioncomment-12534943
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