JuliaData / JuliaData/JSONTables.jl
Define `filter`
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- Dominant language
- Julia
- Stars
- 71
- Forks
- 11
- PR merge metrics
- No merged PRs in 30d
Description
I was searching through some data for a particular row and noticed that [row for row in json_table if pred(row)] is ridiculously fast (much faster than creating a DataFrame from it and then filtering).
It would be nice to be apply a row filter directly via filter(pred, json_table) like you can with a DataFrame or many other table types. Clearly it already supports Iterators.filter so why not Base.filter? :)
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating the JSONTables.jl table type and its existing Iterators.filter support. Define the behavior for filter(pred, json_table), then verify that it returns the expected filtered rows without constructing a DataFrame.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- data
- Issue type
- Feature
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100