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Data analysts should be able to transform a Table using the select_columns function #3230

Merged
merged 28 commits into from
Feb 2, 2022
Merged

Data analysts should be able to transform a Table using the select_columns function #3230

merged 28 commits into from
Feb 2, 2022

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radeusgd
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@radeusgd radeusgd commented Jan 19, 2022 •
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Pull Request Description

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Checklist

Please include the following checklist in your PR:

  • The documentation has been updated if necessary.
  • All code conforms to the Scala, Java, and Rust style guides.
  • All documentation and configuration conforms to the markdown and YAML style guides.
  • All code has been tested where possible.

@radeusgd radeusgd self-assigned this Jan 19, 2022
Base automatically changed from wip/radeusgd/column-match-180855277 to develop January 20, 2022 10:11
@radeusgd radeusgd force-pushed the wip/radeusgd/select-columns-180794249 branch 2 times, most recently from d1e12a6 to 87c1f00 Compare January 21, 2022 17:23
@radeusgd radeusgd changed the base branch from develop to wip/radeusgd/improve-vector January 21, 2022 17:24
@radeusgd radeusgd force-pushed the wip/radeusgd/select-columns-180794249 branch from 87c1f00 to 903266b Compare January 22, 2022 15:23
@radeusgd radeusgd force-pushed the wip/radeusgd/select-columns-180794249 branch from 903266b to bee5458 Compare January 22, 2022 15:24
@radeusgd radeusgd force-pushed the wip/radeusgd/improve-vector branch 2 times, most recently from 6a5ab36 to 70ff6d6 Compare January 25, 2022 15:41
@radeusgd radeusgd force-pushed the wip/radeusgd/select-columns-180794249 branch from bee5458 to 13001e1 Compare January 25, 2022 17:10
Base automatically changed from wip/radeusgd/improve-vector to develop January 25, 2022 17:29
@radeusgd radeusgd force-pushed the wip/radeusgd/select-columns-180794249 branch from 853803b to f9b22f8 Compare January 25, 2022 17:37
@radeusgd radeusgd force-pushed the wip/radeusgd/select-columns-180794249 branch from f9b22f8 to 7c1c05c Compare January 27, 2022 11:07
jdunkerley
jdunkerley reviewed Jan 31, 2022
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distribution/lib/Standard/Database/0.2.32-SNAPSHOT/src/Data/Table.enso Outdated

from Standard.Database.Data.Column as Column_Module import all
from Standard.Database.Data.Internal.IR import Internal_Column
from Standard.Table.Data.Order_Rule as Order_Rule_Module import Order_Rule
from Standard.Table.Data.Table import No_Such_Column_Error
from Standard.Table.Data.Order_Rule as Order_Rule_Module import Order_Rule
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duplicate import - should this be raised as an issue?

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As in a compiler warning? I'm not sure. May be worth asking someone from the engine team I guess.

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Answering the question – yes, it should raise a warning. If it's not, please add such ticket for the Engine team.

jdunkerley
jdunkerley reviewed Jan 31, 2022
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distribution/lib/Standard/Table/0.2.32-SNAPSHOT/src/Data/Column_Selector.enso Outdated
@@ -0,0 +1,29 @@
from Standard.Base import all

from Standard.Table.Data.Matching import all
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Technically only need to import Matching_Strategy - as a type definition probably worth being tight.

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Well, we are also using Exact imported from there. Then I'd need to change it to Matching.Exact.

What we import is not exported by default (need an explicit export statement), so I don't think it matters really. But can change if you think that's better.

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We should use "all" imports for prelude like stuff only. This was described in the Language document by my and Ara some time ago. The "all" import should be rare as it pollutes the scope a lot.

jdunkerley
jdunkerley reviewed Jan 31, 2022
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distribution/lib/Standard/Database/0.2.32-SNAPSHOT/src/Data/Table.enso

from Standard.Database.Data.Column as Column_Module import all
from Standard.Database.Data.Internal.IR import Internal_Column
from Standard.Table.Data.Order_Rule as Order_Rule_Module import Order_Rule
from Standard.Table.Data.Table import No_Such_Column_Error
from Standard.Table.Data.Order_Rule as Order_Rule_Module import Order_Rule
from Standard.Table.Data.Column_Selector as Column_Selector_Module import all
from Standard.Base.Error.Problem_Behavior as Problem_Behavior_Module import all
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import Problem_Behavior

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Similar thing with "all" imports – we should not pollute the scope this way. The rule in Enso is to import only needed things, not all.

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This should be drastically improved after we implement the auto-scoping mechanism in the Engine. Btw, you've been talking with Engine about that already, right?

jdunkerley
jdunkerley requested changes Jan 31, 2022
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A few minor corrections.
A little bit of clarity needed on the Problem_Behavior stuff.

The main function looks good but wonder if shuffled could be clearer to read.

wdanilo
wdanilo approved these changes Feb 2, 2022
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Cool implementation @radeusgd . @jdunkerley thanks for an amazing review!

@jdunkerley jdunkerley merged commit b5fc87e into develop Feb 2, 2022
@jdunkerley jdunkerley deleted the wip/radeusgd/select-columns-180794249 branch February 2, 2022 09:04
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@jdunkerley jdunkerley jdunkerley approved these changes

@wdanilo wdanilo wdanilo approved these changes

@4e6 4e6 4e6 approved these changes

@farmaazon farmaazon Awaiting requested review from farmaazon farmaazon is a code owner

@MichaelMauderer MichaelMauderer Awaiting requested review from MichaelMauderer

@mwu-tow mwu-tow Awaiting requested review from mwu-tow

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