module ActiveRecord::ConnectionAdapters::MySQL::ColumnDumper

Public Instance Methods

column_spec_for_primary_key(column) click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 5
def column_spec_for_primary_key(column)
  if column.bigint?
    spec = { id: :bigint.inspect }
    spec[:default] = schema_default(column) || 'nil' unless column.auto_increment?
  else
    spec = super
  end
  spec[:unsigned] = 'true' if column.unsigned?
  spec
end
migration_keys() click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 22
def migration_keys
  super + [:unsigned]
end
prepare_column_options(column) click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 16
def prepare_column_options(column)
  spec = super
  spec[:unsigned] = 'true' if column.unsigned?
  spec
end

Private Instance Methods

default_primary_key?(column) click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 28
def default_primary_key?(column)
  super && column.auto_increment?
end
schema_collation(column) click to toggle source
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 44
def schema_collation(column)
  if column.collation && table_name = column.table_name
    @table_collation_cache ||= {}
    @table_collation_cache[table_name] ||= select_one("SHOW TABLE STATUS LIKE '#{table_name}'")["Collation"]
    column.collation.inspect if column.collation != @table_collation_cache[table_name]
  end
end
schema_precision(column) click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 40
def schema_precision(column)
  super unless /time/ === column.sql_type && column.precision == 0
end
schema_type(column) click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/mysql/schema_dumper.rb, line 32
def schema_type(column)
  if column.sql_type == 'tinyblob'
    :blob
  else
    super
  end
end