Re: [Sqlalchemy-tickets] [sqlalchemy] #2843: Support for IF EXISTS/IF NOT EXISTS DDL constructs

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

#2843: Support for IF EXISTS/IF NOT EXISTS DDL constructs
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      Reporter:  remyroy      |      Owner:  zzzeek
          Type:  enhancement  |     Status:  new
      Priority:  medium       |  Milestone:  0.9.xx
     Component:  schema       |   Severity:  major - 1-3 hours
    Resolution:               |   Keywords:
Progress State:  in queue     |
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Comment (by zzzeek):

 I can enthusiastically make IF [NOT] EXISTS a part of the ddl.py sequence,
 that is the sequence which is pretty much used only by methods like
 create_all()/drop_all()/create()/drop(), if I understand exactly what use
 case it serves - this because a feature is best designed when I have some
 idea what it's used for.   Perhaps it's useful if someone wants to capture
 a create_all() sequence as a SQL string?

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Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2843#comment:6>
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