[Sqlalchemy-tickets] [sqlalchemy] #2850: cleanly upgrade the type of bindparam() with a null type

[sqlalchemy <mi...@zz...>]

#2850: cleanly upgrade the type of bindparam() with a null type
-------------------------+------------------------------------
 Reporter:  zzzeek       |           Owner:  zzzeek
     Type:  enhancement  |          Status:  new
 Priority:  high         |       Milestone:  0.9.0
Component:  engine       |        Severity:  major - 1-3 hours
 Keywords:               |  Progress State:  in progress
-------------------------+------------------------------------
 {{{
 #!python

         bp = bindparam("somevalue")
         stmt = test_table.update().values(avalue=bp)
         compiled = stmt.compile()
         eq_(bp.type._type_affinity, types.NullType)
         eq_(compiled.binds['somevalue'].type._type_affinity, MyCustomType)

 }}}

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Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2850>
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