Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat(parser): Make LIKE/ILIKE as a kind of Expr in ast, and parse ESCAPE #15867

Merged
merged 16 commits into from
Apr 1, 2024

Conversation

TennyZhuang
Copy link
Contributor

@TennyZhuang TennyZhuang commented Mar 22, 2024

I hereby agree to the terms of the RisingWave Labs, Inc. Contributor License Agreement.

What's changed and what's your intention?

Prerequisite for #15701

Most of the codes are ported from the upstream.

Port apache/datafusion-sqlparser-rs#569
Port apache/datafusion-sqlparser-rs#1096

Checklist

  • I have written necessary rustdoc comments
  • I have added necessary unit tests and integration tests
  • I have added test labels as necessary. See details.
  • I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
  • My PR contains breaking changes. (If it deprecates some features, please create a tracking issue to remove them in the future).
  • All checks passed in ./risedev check (or alias, ./risedev c)
  • My PR changes performance-critical code. (Please run macro/micro-benchmarks and show the results.)
  • My PR contains critical fixes that are necessary to be merged into the latest release. (Please check out the details)

Documentation

  • My PR needs documentation updates. (Please use the Release note section below to summarize the impact on users)

Release note

If this PR includes changes that directly affect users or other significant modifications relevant to the community, kindly draft a release note to provide a concise summary of these changes. Please prioritize highlighting the impact these changes will have on users.

Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
@TennyZhuang TennyZhuang requested a review from a team as a code owner March 29, 2024 05:39
@TennyZhuang TennyZhuang force-pushed the feat/parse-like-escape branch from b43d8af to b05cb06 Compare March 30, 2024 07:29
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
Signed-off-by: TennyZhuang <[email protected]>
@TennyZhuang TennyZhuang enabled auto-merge April 1, 2024 05:59
@TennyZhuang TennyZhuang requested review from BugenZhao and removed request for chenzl25, wangrunji0408 and yuhao-su April 1, 2024 06:03
Copy link
Contributor

@wangrunji0408 wangrunji0408 left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Generally LGTM!

Comment on lines -185 to +186
SELECT 'abcdefg' SIMILAR TO '_bcd%' ESCAPE NULL AS null;
SELECT 'abcdefg' SIMILAR TO '_bcd#%' ESCAPE '##' AS error;
--@ SELECT 'abcdefg' SIMILAR TO '_bcd%' ESCAPE NULL AS null;
--@ SELECT 'abcdefg' SIMILAR TO '_bcd#%' ESCAPE '##' AS error;
Copy link
Contributor

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Why are these tests disabled?

Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

So why?

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Forget to support NULL as escape char, the output is always NULL. I guess it's not important, I'll fix it later.

Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The behavior is confusing. Escape ‘’ means no escape, and escape NULL results NULL output.

@TennyZhuang TennyZhuang added this pull request to the merge queue Apr 1, 2024
Merged via the queue into main with commit 921e59e Apr 1, 2024
27 of 28 checks passed
@TennyZhuang TennyZhuang deleted the feat/parse-like-escape branch April 1, 2024 07:36
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants