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module ActiveRecord
module ConnectionAdapters
module MySQL
module ColumnDumper
def column_spec_for_primary_key(column)
spec = {}
if column.bigint?
spec[:id] = ':bigint'
spec[:default] = schema_default(column) || 'nil' unless column.auto_increment?
spec[:unsigned] = 'true' if column.unsigned?
elsif column.auto_increment?
spec[:unsigned] = 'true' if column.unsigned?
return if spec.empty?
else
spec[:id] = schema_type(column).inspect
spec.merge!(prepare_column_options(column).delete_if { |key, _| [:name, :type, :null].include?(key) })
end
spec
end
def prepare_column_options(column)
spec = super
spec[:unsigned] = 'true' if column.unsigned?
spec
end
def migration_keys
super + [:unsigned]
end
private
def schema_type(column)
if column.sql_type == 'tinyblob'
:blob
else
super
end
end
def schema_limit(column)
super unless column.type == :boolean
end
def schema_precision(column)
super unless /time/ === column.sql_type && column.precision == 0
end
def schema_collation(column)
if column.collation && table_name = column.instance_variable_get(:@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
end
end
end
end
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