release-22.2: scbuild: error on duplicate columns in ALTER PRIMARY KEY #91478
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This check has been missing from the declarative schema changer builder. This would result in execution errors in later stages when the new index makes it into the table descriptor. Since these are internal errors, the user experience is correspondingly poor. This patch fixes this. Fixes #91301 Release note (bug fix): fixed a bug present only in earlier 22.2 release candidates, in which an ALTER PRIMARY KEY USING COLUMNS (x, x) statement would result in an internal error instead of the expected user-facing error with a pg-code.
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ajwerner
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Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status:complete! 1 of 0 LGTMs obtained (waiting on @postamar)
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Backport 1/1 commits from #91307 on behalf of @postamar.
/cc @cockroachdb/release
This check has been missing from the declarative schema changer builder. This would result in execution errors in later stages when the new index makes it into the table descriptor. Since these are internal errors, the user experience is correspondingly poor. This patch fixes this.
Fixes #91301
Release note (bug fix): fixed a bug present only in earlier 22.2 release candidates, in which an ALTER PRIMARY KEY USING COLUMNS (x, x) statement would result in an internal error instead of the expected user-facing error with a pg-code.
Release justification: important bug fix