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author | Prem Sichanugrist <s@sikac.hu> | 2015-05-04 16:11:15 -0400 |
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committer | Prem Sichanugrist <s@sikac.hu> | 2015-06-26 16:25:13 -0400 |
commit | a4128725f5a2c6cbf3e963e2b78ba9382732728a (patch) | |
tree | 6702300b290791a2dfea1377bf8db6338db3c35b /activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb | |
parent | 0bee4100f10dec672b70ad63856149c85d8cbc95 (diff) | |
download | rails-a4128725f5a2c6cbf3e963e2b78ba9382732728a.tar.gz rails-a4128725f5a2c6cbf3e963e2b78ba9382732728a.tar.bz2 rails-a4128725f5a2c6cbf3e963e2b78ba9382732728a.zip |
Add reversible syntax for change_column_default
Passing `:from` and `:to` to `change_column_default` makes this command
reversible as user has defined its previous state.
So, instead of having the migration command as:
change_column_default(:posts, :state, "draft")
They can write it as:
change_column_default(:posts, :state, from: nil, to: "draft")
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 87129c42cf..7c809b088c 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -422,7 +422,9 @@ module ActiveRecord end end - def change_column_default(table_name, column_name, default) #:nodoc: + def change_column_default(table_name, column_name, default_or_changes) #:nodoc: + default = extract_new_default_value(default_or_changes) + alter_table(table_name) do |definition| definition[column_name].default = default end |