# File lib/grit/git-ruby/commit_db.rb, line 35
      def setup_tables
        @db << "create table meta (meta_key text, meta_value text)"
        @db[:meta] << {:meta_key => 'schema', :meta_value => SCHEMA_VERSION}

        @db << "create table commits (id integer, sha text, author_date integer)"
        @db << "create table nodes (id integer, path text, type text)"
        @db << "create table branches (id integer, ref text, commit_id integer)"

        @db << "create table commit_branches (commit_id integer, branch_id integer)"
        @db << "create table commit_nodes (commit_id integer, node_id integer, node_sha string)"
      end