diff options
Diffstat (limited to 'railties/guides/source/migrations.textile')
| -rw-r--r-- | railties/guides/source/migrations.textile | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/railties/guides/source/migrations.textile b/railties/guides/source/migrations.textile index 4476e067a6..6fcc3cf4a2 100644 --- a/railties/guides/source/migrations.textile +++ b/railties/guides/source/migrations.textile @@ -300,6 +300,7 @@ change_table :products do |t| t.rename :upccode, :upc_code end </ruby> + removes the +description+ and +name+ columns, creates a +part_number+ column and adds an index on it. Finally it renames the +upccode+ column. This is the same as doing <ruby> @@ -471,8 +472,8 @@ By default migrations tell you exactly what they're doing and how long it took. Several methods are provided that allow you to control all this: -* +suppress_messages+ suppresses any output generated by its block -* +say+ outputs text (the second argument controls whether it is indented or not) +* +suppress_messages+ takes a block as an argument and suppresses any output generated by the block. +* +say+ takes a message argument and outputs it as is. A second boolean argument can be passed to specify whether to indent or not. * +say_with_time+ outputs text along with how long it took to run its block. If the block returns an integer it assumes it is the number of rows affected. For example, this migration @@ -510,7 +511,7 @@ generates the following output 20080906170109 CreateProducts: migrated (10.0097s) </shell> -If you just want Active Record to shut up then running +rake db:migrate VERBOSE=false+ will suppress any output. +If you just want Active Record to shut up then running +rake db:migrate VERBOSE=false+ will suppress all output. h3. Using Models in Your Migrations |