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Rename SessionContext::with_config_rt to SessionContext::new_with_config_from_rt, etc #7631

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merged 5 commits into from
Oct 4, 2023

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alamb
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@alamb alamb commented Sep 23, 2023

Which issue does this PR close?

N/A

Rationale for this change

The names for creating SessionContext and SessionState are inconsistent, which has bothered me for a long time.

It is confusing that SessionContext::with_config_rt creates a new SessionContext while most methods in DataFusion that start with with are used to update a field.

This is a small papercut but I think it makes DataFusion that much harder to use / embed as it doesn't follow existing Rust Idioms

What changes are included in this PR?

  1. Add a new prefix to SessionContext::with_config_rt and related functions so they are called SessionContext::new_with_config_from_rt
  2. Add deprecation notes for the old names
  3. Remove default_session_builder which was deprecated almost 10 releases ago

Are these changes tested?

Existing tests

Are there any user-facing changes?

@alamb alamb marked this pull request as draft September 23, 2023 11:10
@github-actions github-actions bot added core Core DataFusion crate sqllogictest SQL Logic Tests (.slt) substrait labels Sep 23, 2023
@alamb alamb marked this pull request as ready for review September 25, 2023 18:54
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@Weijun-H Weijun-H left a comment

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LGTM 👍

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@comphead comphead left a comment

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LGTM
Probably we can also consider create_ instead of new_ to be more like Factory method pattern
https://en.wikipedia.org/wiki/Factory_method_pattern#UML_class_diagram

Thanks for supporting old and new method names to provide backward compatibility with downstream

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@alamb alamb left a comment

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Thank you @viirya @comphead and @Weijun-H

@alamb alamb merged commit f16bc8b into apache:main Oct 4, 2023
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Ted-Jiang pushed a commit to Ted-Jiang/arrow-datafusion that referenced this pull request Oct 7, 2023
…config_from_rt`, etc (apache#7631)

* Rename `SessionContext::with_config_rt` to `SessionContext::new_with_config_from_rt`, etc

* update other references

* Apply suggestions from code review

Co-authored-by: Liang-Chi Hsieh <[email protected]>

---------

Co-authored-by: Liang-Chi Hsieh <[email protected]>
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4 participants