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authorRyuta Kamizono <kamipo@gmail.com>2019-02-13 07:13:23 +0900
committerRyuta Kamizono <kamipo@gmail.com>2019-04-07 16:14:42 +0900
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Raise `ArgumentError` for invalid `:limit` and `:precision` like as other options
When I've added new `:size` option in #35071, I've found that invalid `:limit` and `:precision` raises `ActiveRecordError` unlike other invalid options. I think that is hard to distinguish argument errors and statement invalid errors since the `StatementInvalid` is a subclass of the `ActiveRecordError`. https://github.com/rails/rails/blob/c9e4c848eeeb8999b778fa1ae52185ca5537fffe/activerecord/lib/active_record/errors.rb#L103 ```ruby begin # execute any migration rescue ActiveRecord::StatementInvalid # statement invalid rescue ActiveRecord::ActiveRecordError, ArgumentError # `ActiveRecordError` except `StatementInvalid` is maybe an argument error end ``` I'd say this is the inconsistency worth fixing. Before: ```ruby add_column :items, :attr1, :binary, size: 10 # => ArgumentError add_column :items, :attr2, :decimal, scale: 10 # => ArgumentError add_column :items, :attr3, :integer, limit: 10 # => ActiveRecordError add_column :items, :attr4, :datetime, precision: 10 # => ActiveRecordError ``` After: ```ruby add_column :items, :attr1, :binary, size: 10 # => ArgumentError add_column :items, :attr2, :decimal, scale: 10 # => ArgumentError add_column :items, :attr3, :integer, limit: 10 # => ArgumentError add_column :items, :attr4, :datetime, precision: 10 # => ArgumentError ```
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