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Diffstat (limited to 'doc/source/historical/RepositoryFormat.trac')
| -rw-r--r-- | doc/source/historical/RepositoryFormat.trac | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/source/historical/RepositoryFormat.trac b/doc/source/historical/RepositoryFormat.trac index 57f6bf6..65b215d 100644 --- a/doc/source/historical/RepositoryFormat.trac +++ b/doc/source/historical/RepositoryFormat.trac @@ -2,11 +2,11 @@ This plan has several problems and has been modified; new plan is discussed in w ---- -One problem with [http://www.rubyonrails.org/ Ruby on Rails'] (very good) schema migration system is the behavior of scripts that depend on outside sources; ie. the application. If those change, there's no guarantee that such scripts will behave as they did before, and you'll get strange results. +One problem with [http://www.rubyonrails.org/ Ruby on Rails'] (very good) schema migration system is the behavior of scripts that depend on outside sources; ie. the application. If those change, there's no guarantee that such scripts will behave as they did before, and you'll get strange results. For example, suppose one defines a SQLAlchemy table: {{{ -users = Table('users', metadata, +users = Table('users', metadata, Column('user_id', Integer, primary_key = True), Column('user_name', String(16), nullable = False), Column('password', String(20), nullable = False) @@ -30,7 +30,7 @@ def upgrade(): }}} ...and change our application's table definition: {{{ -users = Table('users', metadata, +users = Table('users', metadata, Column('user_id', Integer, primary_key = True), Column('user_name', String(16), nullable = False), Column('password', String(20), nullable = False), |