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BigQuery: Basic FOR..IN..DO...END FOR support #3340

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merged 8 commits into from
May 18, 2022

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@tunetheweb tunetheweb commented May 14, 2022

Brief summary of the change made

Fixes #3316

This could also for the basis of other Procedure Syntax

Are there any other side effects of this change that we should be aware of?

At the moment this is only top level basic support, so doesn't included nested statements.

Pull Request checklist

  • Please confirm you have completed any of the necessary steps below.

  • Included test cases to demonstrate any code changes, which may be one or more of the following:

    • .yml rule test cases in test/fixtures/rules/std_rule_cases.
    • .sql/.yml parser test cases in test/fixtures/dialects (note YML files can be auto generated with tox -e generate-fixture-yml).
    • Full autofix test cases in test/fixtures/linter/autofix.
    • Other.
  • Added appropriate documentation for the change.

  • Created GitHub issues for any relevant followup/future enhancements if appropriate.

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codecov bot commented May 14, 2022

Codecov Report

Merging #3340 (e2e85d7) into main (d4c741f) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main     #3340   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          168       168           
  Lines        12724     12740   +16     
=========================================
+ Hits         12724     12740   +16     
Impacted Files Coverage Δ
src/sqlfluff/dialects/dialect_bigquery_keywords.py 100.00% <ø> (ø)
src/sqlfluff/dialects/dialect_bigquery.py 100.00% <100.00%> (ø)

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@tunetheweb tunetheweb marked this pull request as ready for review May 16, 2022 13:56
"""Overriding StatementSegment to allow for additional segment parsing."""

type = "multi_statement_segment"
match_grammar: Matchable = OneOf(
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Why the OneOf()?

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Future proofing!

There's some more multi-statemnt control statements we should add here (WHILE...DO...END WHILE...etc) that I intend to add here, if this PR is approved. Did consider adding to this PR but then decided to get this approved first and then build upon it.

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LGTM

@tunetheweb tunetheweb merged commit 36e89cb into sqlfluff:main May 18, 2022
@tunetheweb tunetheweb deleted the bigquery-for-in branch May 18, 2022 16:55
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Support FOR...IN syntax in BigQuery
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