Content of RPM
postgresql-libs-9.6.9-1.fc26.x86_64.rpm :
/usr/lib64/libecpg.so.6
/usr/lib64/libecpg.so.6.8
/usr/lib64/libecpg_compat.so.3
/usr/lib64/libecpg_compat.so.3.8
/usr/lib64/libpgtypes.so.3
/usr/lib64/libpgtypes.so.3.7
/usr/lib64/libpq.so.5
/usr/lib64/libpq.so.5.9
/usr/share/doc/postgresql-libs
/usr/share/doc/postgresql-libs/COPYRIGHT
/usr/share/locale/cs/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/cs/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/de/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/de/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/es/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/es/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/fr/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/fr/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/it/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/it/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/ja/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/ja/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/ko/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/ko/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/pl/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/pl/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/pt_BR/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/pt_BR/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/ru/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/ru/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/tr/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/tr/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/zh_CN/LC_MESSAGES/ecpglib6-9.6.mo
/usr/share/locale/zh_CN/LC_MESSAGES/libpq5-9.6.mo
/usr/share/locale/zh_TW/LC_MESSAGES/libpq5-9.6.mo