[5.0.1] Fix collation scaffolding #23414
Merged
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Fixes #23386
Description
EF Core 5.0 added support for database and column collations, but the scaffolding logic was faulty.
Customer Impact
When reverse engineering an existing database, column collations are mistakenly scaffolded as comments, and database collations aren't scaffolded at all.
How found
User-reported for 5.0.0
Test coverage
Added in this PR. In addition, we have identified scaffolding as an area where we are lacking sufficient test coverage and are beginning to address this.
Regression?
No, collations are new in 5.0.
Risk
Very low, minimal code changes, and only in the scaffolding code (no impact on runtime).