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Support DISTINCT ON (...) #852

Merged
merged 4 commits into from
Apr 27, 2023
Merged

Support DISTINCT ON (...) #852

merged 4 commits into from
Apr 27, 2023

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aljazerzen
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@aljazerzen aljazerzen commented Apr 13, 2023 •
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Closes #806

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coveralls commented Apr 13, 2023 •
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Pull Request Test Coverage Report for Build 4822665770

  • 57 of 57 (100.0%) changed or added relevant lines in 6 files are covered.
  • No unchanged relevant lines lost coverage.
  • Overall coverage increased (+0.05%) to 86.09%
Totals Coverage Status
Change from base Build 4821724657: 0.05%
Covered Lines: 14198
Relevant Lines: 16492
💛 - Coveralls

alamb
alamb reviewed Apr 27, 2023
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Thank you @aljazerzen -- this looks very nice. I think it just needs one more test and we could merge it in

src/ast/query.rs
/// DISTINCT
Distinct,

/// DISTINCT ON({column names})
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👍

src/parser.rs
}

self.expect_token(&Token::LParen)?;
let col_names = if self.consume_token(&Token::RParen) {
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This looks like special case code to handle SELECT DISTINCT ON() - can you please add a test for this case?

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👍

alamb
alamb approved these changes Apr 27, 2023
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Looks great -- thank you again @aljazerzen

@alamb alamb merged commit 3b1076c into apache:main Apr 27, 2023
@alamb alamb mentioned this pull request May 2, 2023
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@cmdlineluser cmdlineluser mentioned this pull request May 12, 2023
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serprex pushed a commit to serprex/sqlparser-rs that referenced this pull request Nov 6, 2023
@iskakaushik @AviRaboah
@pawel-big-lebowski @alamb @aljazerzen @aprimadi @okue @ankane @mustafasrepo @Jefffrey @max-sixty @eitsupi @mobuchowski @berkaysynnada @ozankabak @dependabot
Merge Upstream (apache#6)
52482b3 
* Support identifiers beginning with digits in MySQL (apache#856)

* support COPY INTO in snowflake (apache#841)

Signed-off-by: Pawel Leszczynski <[email protected]>

* Add `dialect_from_str` and improve `Dialect` documentation (apache#848)

* Add `dialect_from_str` and improve `Dialect` documentation

* cleanup

* fix compilation with nostd

* Support multiple-table DELETE syntax (apache#855)

* Support `DISTINCT ON (...)` (apache#852)

* Support "DISTINCT ON (...)"

* a test

* fix the merge

* Test trailing commas (apache#859)

* test: add tests for trailing commas

* tweaks

* Add support for query source in COPY .. TO statement (apache#858)

* Add support for query source in COPY .. TO statement

* Fix compile error

* Fix logical merge conflict (apache#865)

* Fix tiny typo in custom_sql_parser.md (apache#864)

* Make Expr::Interval its own struct (apache#872)

* Make Expr::Interval its own struct

* Add test interval display

* Fix cargo fmt

* Include license file in published crate (apache#871)

* Add support for multiple expressions, order by in aggregations (apache#879)

* Add support for multiple expressions, order by in aggregations

* Fix formatting errors

* Resolve linter errors

* Add parse_multipart_identifier function to parser (apache#860)

* Add parse_multipart_identifier function to parser

* Update doc for parse_multipart_identifier

* Fix conflict

* feat: Add custom operator (apache#868)

* feat: Add custom operator

From apache#863

- It doesn't parse anything — I'm not sure how to parse ` SELECT 'a' REGEXP '^[a-d]';` with `REGEXP` as the operator... (but fine for my narrow purpose)
- If we need tests, where would I add them?

* Update src/ast/operator.rs

---------

Co-authored-by: Andrew Lamb <[email protected]>

* feat: Support MySQL's `DIV` operator (apache#876)

* feat: MySQL's DIV operator

* fix: do not use `_` prefix for used variable

---------

Co-authored-by: Andrew Lamb <[email protected]>

* truncate: table as optional keyword (apache#883)

Signed-off-by: Maciej Obuchowski <[email protected]>

* feat: add DuckDB dialect (apache#878)

* feat: add DuckDB dialect

* formatting

* fix conflict

* support // in GenericDialect

* add DucDbDialect to all_dialects

* add comment from suggestion

Co-authored-by: Andrew Lamb <[email protected]>

* fix: support // in GenericDialect

---------

Co-authored-by: Andrew Lamb <[email protected]>

* Add support for first, last aggregate function parsing (apache#882)

* Add order by parsing to functions

* Fix doc error

* minor changes

* Named window frames (apache#881)

* after over clause, named window can be parsed with window ... as after having clause

* Lint errors are fixed

* Support for multiple windows

* fix lint errors

* simplifications

* rename function

* Rewrite named window search in functional style

* Test added and some minor changes

* Minor changes on tests and namings, and semantic check is removed

---------

Co-authored-by: Mustafa Akur <[email protected]>
Co-authored-by: Mehmet Ozan Kabak <[email protected]>

* Fix merge conflict (apache#885)

* Update CHANGELOG for `0.34.0` release (apache#884)

* chore: Release sqlparser version 0.34.0

* Update criterion requirement from 0.4 to 0.5 in /sqlparser_bench (apache#890)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

---------

Signed-off-by: Pawel Leszczynski <[email protected]>
Signed-off-by: Maciej Obuchowski <[email protected]>
Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: AviRaboah <[email protected]>
Co-authored-by: pawel.leszczynski <[email protected]>
Co-authored-by: Andrew Lamb <[email protected]>
Co-authored-by: Aljaž Mur Eržen <[email protected]>
Co-authored-by: Armin Primadi <[email protected]>
Co-authored-by: Okue <[email protected]>
Co-authored-by: Andrew Kane <[email protected]>
Co-authored-by: Mustafa Akur <[email protected]>
Co-authored-by: Jeffrey <[email protected]>
Co-authored-by: Maximilian Roos <[email protected]>
Co-authored-by: eitsupi <[email protected]>
Co-authored-by: Maciej Obuchowski <[email protected]>
Co-authored-by: Berkay Şahin <[email protected]>
Co-authored-by: Mustafa Akur <[email protected]>
Co-authored-by: Mehmet Ozan Kabak <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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In correct serialization of DISTINCT ON() syntax with postgres
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@aljazerzen @coveralls @alamb