Thanks Mike! You are the man! On Wednesday, 3 June 2020 00:12:19 UTC+2, Mike Bayer wrote: > > yes, for example with select(): > > s1 = select([t.c.c1, t.c.c2, t.c.c3]) > > s2 = select([t2.c.c1, t.c.c2, null().label('col4'), null.label('col5')]) > > u1 = union(s1, s2) > > > I'd recommend using union() and select() to create these queries. the ORM > Query.union() method is not as easy to use and long term the above > technique with union() and select() will be how it's done. > > > > > On Tue, Jun 2, 2020, at 2:09 PM, Justvuur wrote: > > Hi All, > > I would like to do a union between 3 or 4 tables using the all powerful > sqlalchemy. The tables have about 3 columns that are the same but each > table has 2 different columns. > > Is it possible to do a query as below in sqlalchemy? > > Select Col1, Col2, Col3, Col4, Col5 from Table1 > Union > Select Col1, Col2, Col3, Null as Col4, Null as Col5 from Table2 > > > > -- > SQLAlchemy - > The Python SQL Toolkit and Object Relational Mapper > > http://www.sqlalchemy.org/ > > To post example code, please provide an MCVE: Minimal, Complete, and > Verifiable Example. See http://stackoverflow.com/help/mcve for a full > description. > --- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlal...@googlegroups.com <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/a74e30bb-b7b3-4120-accf-68dac445ac51%40googlegroups.com > > <https://groups.google.com/d/msgid/sqlalchemy/a74e30bb-b7b3-4120-accf-68dac445ac51%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > >
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