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-rw-r--r--activerecord/lib/active_record/schema_dumper.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/schema_dumper.rb b/activerecord/lib/active_record/schema_dumper.rb
index 2d90ef35aa..5d88012e4f 100644
--- a/activerecord/lib/active_record/schema_dumper.rb
+++ b/activerecord/lib/active_record/schema_dumper.rb
@@ -78,11 +78,14 @@ HEADER
begin
tbl = StringIO.new
+ # first dump primary key column
if @connection.respond_to?(:pk_and_sequence_for)
pk, pk_seq = @connection.pk_and_sequence_for(table)
+ elsif @connection.respond_to?(:primary_key)
+ pk = @connection.primary_key(table)
end
pk ||= 'id'
-
+
tbl.print " create_table #{table.inspect}"
if columns.detect { |c| c.name == pk }
if pk != 'id'
@@ -94,6 +97,7 @@ HEADER
tbl.print ", :force => true"
tbl.puts " do |t|"
+ # then dump all non-primary key columns
column_specs = columns.map do |column|
raise StandardError, "Unknown type '#{column.sql_type}' for column '#{column.name}'" if @types[column.type].nil?
next if column.name == pk