igor@olga.mysql.com 96cfd5ab91 Fixed bug #26661: crash when order by clause in a union ...

construct references invalid name.
Derived tables currently cannot use outer references.
Thus there is no outer context for them.
The 4.1 code takes this fact into account while the 
Item_field::fix_outer_field code of 5.0 lost the check that blocks
any attempts to resolve names in outer context for derived tables.

2007-03-09 01:45:32 -08:00

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