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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2014-06-24 12:25:07 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2014-06-24 12:25:28 -0400 |
| commit | 02b0af4f7ce2e9c8135c7983c13b3a7844b69740 (patch) | |
| tree | 9d97e5d491293c9143c8f5905c8d6b4fdf1841dd /lib/sqlalchemy/sql/schema.py | |
| parent | f10eb28d90cbf73f4757897f52bf26722f98372e (diff) | |
| download | sqlalchemy-02b0af4f7ce2e9c8135c7983c13b3a7844b69740.tar.gz | |
- write some really complete docs on MSSQL autoincrement, fixes #3094
Diffstat (limited to 'lib/sqlalchemy/sql/schema.py')
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index 13461f3f3..121f6da77 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -840,10 +840,17 @@ class Column(SchemaItem, ColumnClause): * Part of the primary key - * Are not referenced by any foreign keys, unless - the value is specified as ``'ignore_fk'`` + * Not refering to another column via :class:`.ForeignKey`, unless + the value is specified as ``'ignore_fk'``:: - .. versionadded:: 0.7.4 + # turn on autoincrement for this column despite + # the ForeignKey() + Column('id', ForeignKey('other.id'), + primary_key=True, autoincrement='ignore_fk') + + It is typically not desirable to have "autoincrement" enabled + on such a column as its value intends to mirror that of a + primary key column elsewhere. * have no server side or client side defaults (with the exception of Postgresql SERIAL). |