Any chance you plan to make func.now consider oracle and use_ansi=False (and return sysdate)?
On Feb 3, 4:44 pm, "Michael Bayer" <mike...@zzzcomputing.com> wrote: > Kent wrote: > > Any chance SQLAlchemy has a mechanism to switch to or fromsysdatevs. > >current_datebased on the database dialect (and maybe use_ansi)? > > > It would be really nice if I could program in sqla not knowing which > > database type I am connected to and still could select the current > > date from the database... can I? > > func.now() does do this (well, it returns CURRENT_TIMESTAMP, > isCURRENT_DATEdifferent?). it doesn't take use_ansi into account though > (though that would be an easy patch to theOracledialect). > > Aside from all that, this is also easy enough to roll yourself: > > from sqlalchemy.sql.expression import ColumnElement > from sqlalchemy.ext.compiler import compiles > > classcurrent_date(ColumnElement): > type = sa.DateTime() > > @compiler.compiles(current_date) > def _compiler_dispatch(element, compiler, **kw): > if compiler.dialect.name == 'oracle': > if not compiler.dialect.use_ansi: > return "sysdate" > else: > return "current_date" > else: > # etc ... > > then just saycurrent_date() to get the expression. > > you could also throw @compiles onto "sqlalchemy.sql.functions.now" if you > wanted to augment what func.now() returns. > > > > > -- > > You received this message because you are subscribed to the Google Groups > > "sqlalchemy" group. > > To post to this group, send email to sqlalch...@googlegroups.com. > > To unsubscribe from this group, send email to > > sqlalchemy+unsubscr...@googlegroups.com. > > For more options, visit this group at > >http://groups.google.com/group/sqlalchemy?hl=en. > > -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalch...@googlegroups.com. To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.
