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SQL and fast grouped method improvements
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@machow machow released this 29 Aug 23:59
· 84 commits to master since this release
v0.0.24
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Much of this release is setting up for...

  • fast methods to become drop-in replacements for their slow, reference implementation counterparts!
  • SQL fixes and features for funneljoin-py

Fixes

  • Pandas anti_join breaking when on argument is a string (#264)
  • Sql now resets order by after joins (#277)
  • Fixed major regression for sql where filter with multiple arguments did strange and terrible things (#277)
  • Sql summarize correctly makes a subquery when group_by references a recently created column (#278)
  • Sql right_join had to switch lhs and rhs, but was not correctly handling all implications of that. Specifically how key columns are kept, and suffixes used. (#279)

Features

  • Fast grouped methods determine whether they can run quickly, fallback if not, along with a warning. Lambdas can be used to explicitly take the slower, reference implementation route (#268).
  • Fast grouped methods allow property operations that return dim 0 results, like dtype. (#269)
  • - in sql arrange now produces the correct DESC, rather than being a - operation (#280)
  • pandas arrange now works on grouped data. i.e. DataFrameGroupBy. (#280)

QA

  • a slew of tests!
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