fix(mysql): Handle simplified CASE statements #2852
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| SET value = CASE ? WHEN true THEN 'Hello' WHEN false THEN 'Goodbye' ELSE value END | ||
| ` | ||
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| func (q *Queries) Update(ctx context.Context, value sql.NullString) error { |
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Shouldn't this generated func parameter be a boolean to match the cases and not a string which matches the output?
| @@ -745,6 +745,7 @@ func (c *cc) convertCaseExpr(n *pcast.CaseExpr) ast.Node { | |||
| list.Items = append(list.Items, c.convertWhenClause(n)) | |||
| } | |||
| return &ast.CaseExpr{ | |||
| Arg: c.convert(n.Value), | |||
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After looking at the test output, I think n.Value isn't correct here.
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MySQL and PostgreSQL now have the same behavior, generating a nullable string parameter. That behavior isn't right, as we'd expect the parameter to be a boolean. This can be fixed by using a type case or the new annotations in #2800.
Fixes #2847