Thanks. That worked, too. On Tuesday, April 13, 2021 at 8:46:34 AM UTC-5 Mike Bayer wrote:
> the next section at > https://docs.sqlalchemy.org/en/14/orm/mapping_columns.html#automating-column-naming-schemes-from-reflected-tables > > shows how to automate intercepting of reflected columns, so you could do > this: > > from sqlalchemy import event > > @event.listens_for(metadata, "column_reflect") > def column_reflect(inspector, table, column_info): > entries = { > "1st": "first", > "2nd": "second", > "3rd": "third", > "4th": "fourth" > } > for prefix in entries: > if prefix in column["name"]: > column["key"] = column["name"].replace(prefix, entries[prefix]) > break > > > class Student(Model): > __table__ = Table("Students", metadata, autoload=True, > autoload_with=engine) > > > > > On Tue, Apr 13, 2021, at 8:48 AM, r...@rosenfeld.to wrote: > > Thanks for the documentation. Sorry, but I'm not certain how to apply > that in my case. Since I am mapping to an existing table, how could I > reference the object attribute with an illegal name in Python? Do I > combine getattr with the documentation as below? > > class Student(Model): > __table__ = Table("Students", metadata, autoload=True, > autoload_with=engine) > first_period = getattr(__table__.c, "1st_period") > > Thanks, > Rob > On Monday, April 12, 2021 at 11:17:59 PM UTC-5 Mike Bayer wrote: > > > besides the idea of using getattr(), as these are object attributes it's > probably a good idea to name them differently from those columns. See the > docs at > https://docs.sqlalchemy.org/en/14/orm/mapping_columns.html#naming-columns-distinctly-from-attribute-names > > for strategies on how to achieve this. > > > On Mon, Apr 12, 2021, at 12:29 AM, Rob Rosenfeld wrote: > > Hi All, > > I'm using SQLAlchemy to access a legacy MSSQL database. I'm using the > autoload feature to load the schema from the database. > > In this example I'd like to read data out of the column named "1st_period" > in the database. The following query shows the SQL I'd need. But trying > to access a property named "1st_period" yields a SyntaxError > > Thanks, > Rob > > SELECT TOP 10 [1st_period] FROM Students; > > class Student(Model): > __table__ = Table("Students", metadata, autoload=True, > autoload_with=engine) > > > @property > def first_period(self): > return self.1st_period > > > > > -- > 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 sqlalchemy+...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/CAHUdipkSOfZhBGfXpiOu5nV1XKtbw8ML8%3DSQ40EbXO97oyoR2w%40mail.gmail.com > > <https://groups.google.com/d/msgid/sqlalchemy/CAHUdipkSOfZhBGfXpiOu5nV1XKtbw8ML8%3DSQ40EbXO97oyoR2w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > > > -- > 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 sqlalchemy+...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/ac1c30c1-6cdc-46df-af84-6219beb521d7n%40googlegroups.com > > <https://groups.google.com/d/msgid/sqlalchemy/ac1c30c1-6cdc-46df-af84-6219beb521d7n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > > -- 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 sqlalchemy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/3e4d3ad4-c062-4249-b5df-c0d76afb2c7bn%40googlegroups.com.
