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ALTER TABLE ... DROP FOREIGN KEY IF EXISTS ... shouldn't be supported in parser #56701

Open
Tracked by #55861
YangKeao opened this issue Oct 17, 2024 · 0 comments · May be fixed by #56703
Open
Tracked by #55861

ALTER TABLE ... DROP FOREIGN KEY IF EXISTS ... shouldn't be supported in parser #56701

YangKeao opened this issue Oct 17, 2024 · 0 comments · May be fixed by #56703
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component/parser good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. severity/minor sig/sql-infra SIG: SQL Infra type/bug The issue is confirmed as a bug.

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See https://bugs.mysql.com/bug.php?id=5746. MySQL doesn't have this syntax. TiDB also didn't support this operation, but the parser actually can parse it.
@YangKeao YangKeao added type/bug The issue is confirmed as a bug. component/parser sig/sql-infra SIG: SQL Infra severity/minor labels Oct 17, 2024
@YangKeao YangKeao self-assigned this Oct 17, 2024
@YangKeao YangKeao mentioned this issue Oct 17, 2024
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@lance6716 lance6716 added the good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. label Oct 17, 2024
@YangKeao YangKeao linked a pull request Oct 17, 2024 that will close this issue
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component/parser good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. severity/minor sig/sql-infra SIG: SQL Infra type/bug The issue is confirmed as a bug.
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parser: don't support ALTER TABLE ... DROP FOREIGN KEY if exists YangKeao/tidb
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@lance6716 @YangKeao