Gloria W wrote:
> Hi All,
> 
> Looking back in these posts, I tried several older variants of MySQL
> datetime column initialization discussed here, and they're not
> working.
> 
> This works in Postgresql:
> 
> sqlalchemy.Column('date_created', sqlalchemy.DateTime,
>     sqlalchemy.PassiveDefault(sqlalchemy.sql.func.now()),
> nullable=False)
> 
> But the MySQL equivalent fails:
> 
> sqlalchemy.Column('date_created', sqlalchemy.DateTime,
>     sqlalchemy.PassiveDefault(text("CURRENT_TIMESTAMP")),
> nullable=False)
> 
> What is the valid syntax? Is it failing for other reasons?

The MySQL TIMESTAMP type is required for that default:

  from sqlalchemy.databases import mysql
  sqlalchemy.Column('date_created', mysql.MSDateTime,
      sqlalchemy.PassiveDefault(text("CURRENT_TIMESTAMP")),
      nullable=False)

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