普段使わないyumコマンド
Error: database disk image is malformed.
と出たので、キャッシュを削除
# yum clean all
# yum install yum-utils # yum-complete-transaction
指定ファイルが含まれるpkgを検索
# yum whatprovides */pg_stat_statements--1.0.sql postgresql91-contrib-9.1.6-1PGDG.rhel5.i386 : Contributed source and binaries distributed with PostgreSQL Repo : installed Matched from: Filename : /usr/pgsql-9.1/share/extension/pg_stat_statements--1.0.sql