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

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merged 16 commits into from Apr 1, 2024

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TennyZhuang
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@TennyZhuang TennyZhuang commented Mar 22, 2024

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What's changed and what's your intention?

Prerequisite for #15701

Most of the codes are ported from the upstream.

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

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  • I have written necessary rustdoc comments
  • I have added necessary unit tests and integration tests
  • I have added test labels as necessary. See details.
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Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
@TennyZhuang TennyZhuang requested a review from a team as a code owner March 29, 2024 05:39
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
Signed-off-by: TennyZhuang <zty0826@gmail.com>
@TennyZhuang TennyZhuang requested review from BugenZhao and removed request for chenzl25, wangrunji0408 and yuhao-su April 1, 2024 06:03
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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;
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Why are these tests disabled?

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So why?

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

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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
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3 participants