Thank you, Mike. In my case, I am writing a TRUNCATE TABLE statement. I
don't think SQLAlchemy provides that so I'm writing it in text and having
the engine execute it rather than having SQLAlchemy generate it. Are you
recommending, therefore, that I not use the *fullname* attribute for this?
On Tuesday, December 22, 2020 at 1:17:59 PM UTC-5 Mike Bayer wrote:
> the .fullname attribute is not used directly in SQL statements, when a
> schema or table name requires quoting the compiler will apply them as
> needed.
>
> from sqlalchemy import Column
> from sqlalchemy import String
> from sqlalchemy.dialects import mysql
> from sqlalchemy.ext.declarative import declarative_base
> from sqlalchemy.orm import Session
>
> Base = declarative_base()
>
>
> class SomeTable(Base):
> __tablename__ = "3table"
>
> id = Column(String, primary_key=True)
>
> __table_args__ = {"schema": "4schema"}
>
>
> s = Session()
>
> print(s.query(SomeTable).statement.compile(dialect=mysql.dialect()))
>
> output:
>
> SELECT `4schema`.`3table`.id
> FROM `4schema`.`3table`
>
>
>
>
> On Tue, Dec 22, 2020, at 12:35 PM, Benjamin Taub wrote:
>
> schema.py defines a variable fullname for tables as follows:
>
> *if *self.schema *is not None*:
> self.fullname = *"%s.%s" *% (self.schema, self.name)
> *else*:
> self.fullname = self.name
>
> However, this fails for me in some cases, apparently when my table or
> schema name starts with a number. To address this, shouldn't self.fullname
> be surrounded by delimiters (e.g. "`%s`.`%s`")?
>
> FWIW, I'm working in MySQL.
>
> Thanks!
> Ben
>
>
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> The Python SQL Toolkit and Object Relational Mapper
>
> http://www.sqlalchemy.org/
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SQLAlchemy -
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