diff options
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/migrations.textile | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/guides/source/migrations.textile b/guides/source/migrations.textile index 909815d6d7..248afbfb93 100644 --- a/guides/source/migrations.textile +++ b/guides/source/migrations.textile @@ -8,12 +8,12 @@ production machines next time you deploy. Active Record tracks which migrations have already been run so all you have to do is update your source and run +rake db:migrate+. Active Record will work out -which migrations should be run by checking the hidden +schema_mirgrations+ database +which migrations should be run by checking the hidden +schema_migrations+ database table, which is created automatically after the initial invocaton of +rake db:migrate+. -+schema_migrations+ contains a sole column named +versions+ that holds the time -stamps that are preappended to generated Active Record migrations. Each time stamp ++schema_migrations+ contains a sole column named +versions+ that holds the timestamps +that are preappended to generated Active Record migrations. Each timestamp contained in +schema_migrations+ indicate that the migration associated with the -time stamp has previously been invoked, and does not need to be run on future +timestamp has previously been invoked, and does not need to be run on future +rake db:migrate+ invocations. Active Record will also update your +db/schema.rb+ file to match the up-to-date structure of your database. |