class ActiveRecord::ConnectionAdapters::TableDefinition

def initialize(
  conn,
  name,
  temporary: false,
  if_not_exists: false,
  options: nil,
  as: nil,
  comment: nil,
  **
)
  @conn = conn
  @columns_hash = {}
  @indexes = []
  @foreign_keys = []
  @primary_keys = nil
  @check_constraints = []
  @temporary = temporary
  @if_not_exists = if_not_exists
  @options = options
  @as = as
  @name = name
  @comment = comment
end