Fossil

  }
  g.zRepositoryName = mprintf("%s", zDbName);
  db_open_or_attach(g.zRepositoryName, "repository", 0);
  g.repositoryOpen = 1;
  /* Cache "allow-symlinks" option, because we'll need it on every stat call */
  g.allowSymlinks = db_get_boolean("allow-symlinks", 0);
  g.zAuxSchema = db_get("aux-schema","");

  /* Verify that the MLINK table has the newer columns added by the
  ** 2015-01-24 schema change.  Create them if necessary.  This code
  ** can be removed in the future, once all users have upgraded to the
  ** 2015-01-24 schema.
  */  
  if( !db_table_has_column("repository","mlink","isaux") ){
    db_begin_transaction();
    db_multi_exec(
      "ALTER TABLE %s.mlink ADD COLUMN pmid INTEGER DEFAULT 0;"
      "ALTER TABLE %s.mlink ADD COLUMN isaux INTEGER DEFAULT 0;",
      db_name("repository"), db_name("repository")
    );