method
table
rails latest stable - Class:
ActiveRecord::SchemaDumper
table(table, stream)private
No documentation available.
# File activerecord/lib/active_record/schema_dumper.rb, line 142
def table(table, stream)
columns = @connection.columns(table)
begin
self.table_name = table
tbl = StringIO.new
# first dump primary key column
pk = @connection.primary_key(table)
tbl.print " create_table #{remove_prefix_and_suffix(table).inspect}"
case pk
when String
tbl.print ", primary_key: #{pk.inspect}" unless pk == "id"
pkcol = columns.detect { |c| c.name == pk }
pkcolspec = column_spec_for_primary_key(pkcol)
unless pkcolspec.empty?
if pkcolspec != pkcolspec.slice(:id, :default)
pkcolspec = { id: { type: pkcolspec.delete(:id), **pkcolspec }.compact }
end
tbl.print ", #{format_colspec(pkcolspec)}"
end
when Array
tbl.print ", primary_key: #{pk.inspect}"
else
tbl.print ", id: false"
end
table_options = @connection.table_options(table)
if table_options.present?
tbl.print ", #{format_options(table_options)}"
end
tbl.puts ", force: :cascade do |t|"
# then dump all non-primary key columns
columns.each do |column|
raise StandardError, "Unknown type '#{column.sql_type}' for column '#{column.name}'" unless @connection.valid_type?(column.type)
next if column.name == pk
type, colspec = column_spec(column)
if type.is_a?(Symbol)
tbl.print " t.#{type} #{column.name.inspect}"
else
tbl.print " t.column #{column.name.inspect}, #{type.inspect}"
end
tbl.print ", #{format_colspec(colspec)}" if colspec.present?
tbl.puts
end
indexes_in_create(table, tbl)
check_constraints_in_create(table, tbl) if @connection.supports_check_constraints?
exclusion_constraints_in_create(table, tbl) if @connection.supports_exclusion_constraints?
unique_constraints_in_create(table, tbl) if @connection.supports_unique_constraints?
tbl.puts " end"
tbl.puts
stream.print tbl.string
rescue => e
stream.puts "# Could not dump table #{table.inspect} because of following #{e.class}"
stream.puts "# #{e.message}"
stream.puts
ensure
self.table_name = nil
end
end