Fix: altering the default collation of a system character set should be supported.

asfernandes · asfernandes · commit cbbbf3b94e75 · 2025-06-24T07:52:08.000-03:00
Thanks to Pavel Zotov.
diff --git a/src/dsql/DdlNodes.h b/src/dsql/DdlNodes.h
@@ -260,7 +260,6 @@ class AlterCharSetNode final : public DdlNode
 	DdlNode* dsqlPass(DsqlCompilerScratch* dsqlScratch) override
 	{
 		dsqlScratch->qualifyExistingName(charSet, obj_charset);
-		protectSystemSchema(charSet.schema, obj_charset);
 		dsqlScratch->ddlSchema = charSet.schema;
 
 		dsqlScratch->qualifyExistingName(defaultCollation, obj_collation);

Original file line number	Diff line number	Diff line change
`@@ -260,7 +260,6 @@ class AlterCharSetNode final : public DdlNode`
`260`	`260`	`DdlNode* dsqlPass(DsqlCompilerScratch* dsqlScratch) override`
`261`	`261`	`{`
`262`	`262`	`dsqlScratch->qualifyExistingName(charSet, obj_charset);`
`263`		`- protectSystemSchema(charSet.schema, obj_charset);`
`264`	`263`	`dsqlScratch->ddlSchema = charSet.schema;`
`265`	`264`
`266`	`265`	`dsqlScratch->qualifyExistingName(defaultCollation, obj_collation);`