Method: ActiveRecord::ConnectionAdapters::SchemaStatements#type_to_sql

Defined in:
activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

#type_to_sql(type, limit: nil, precision: nil, scale: nil) ⇒ Object

:nodoc:



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# File 'activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb', line 1385

def type_to_sql(type, limit: nil, precision: nil, scale: nil, **) # :nodoc:
  type = type.to_sym if type
  if native = native_database_types[type]
    column_type_sql = (native.is_a?(Hash) ? native[:name] : native).dup

    if type == :decimal # ignore limit, use precision and scale
      scale ||= native[:scale]

      if precision ||= native[:precision]
        if scale
          column_type_sql << "(#{precision},#{scale})"
        else
          column_type_sql << "(#{precision})"
        end
      elsif scale
        raise ArgumentError, "Error adding decimal column: precision cannot be empty if scale is specified"
      end

    elsif [:datetime, :timestamp, :time, :interval].include?(type) && precision ||= native[:precision]
      if (0..6) === precision
        column_type_sql << "(#{precision})"
      else
        raise ArgumentError, "No #{native[:name]} type has precision of #{precision}. The allowed range of precision is from 0 to 6"
      end
    elsif (type != :primary_key) && (limit ||= native.is_a?(Hash) && native[:limit])
      column_type_sql << "(#{limit})"
    end

    column_type_sql
  else
    type.to_s
  end
end