When outputting the session id in log_line_prefix (%c) or in CSV log output mode, cause the hex digits after the period to always be at least four hex digits, with zero-padding.
When outputting the session id in log_line_prefix (%c) or in CSV log
output mode, cause the hex digits after the period to always be at least
four hex digits, with zero-padding.

zeroae/postgres-xl,ashwinstar/gpdb,jmcatamney/gpdb,adam8157/gpdb,greenplum-db/gpdb,zeroae/postgres-xl,xinzweb/gpdb,techdragon/Postgres-XL,techdragon/Postgres-XL,ovr/postgres-xl,Postgres-XL/Postgres-XL,lisakowen/gpdb,jmcatamney/gpdb,yazun/postgres-xl,techdragon/Postgres-XL,xinzweb/gpdb,ovr/postgres-xl,50wu/gpdb,greenplum-db/gpdb,lisakowen/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,lisakowen/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,ashwinstar/gpdb,50wu/gpdb,ashwinstar/gpdb,Postgres-XL/Postgres-XL,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,pavanvd/postgres-xl,ashwinstar/gpdb,ashwinstar/gpdb,xinzweb/gpdb,xinzweb/gpdb,jmcatamney/gpdb,50wu/gpdb,yazun/postgres-xl,yazun/postgres-xl,greenplum-db/gpdb,adam8157/gpdb,lisakowen/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,techdragon/Postgres-XL,greenplum-db/gpdb,ovr/postgres-xl,jmcatamney/gpdb,lisakowen/gpdb,adam8157/gpdb,zeroae/postgres-xl,ashwinstar/gpdb,lisakowen/gpdb,jmcatamney/gpdb,adam8157/gpdb,50wu/gpdb,50wu/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,oberstet/postgres-xl,pavanvd/postgres-xl,oberstet/postgres-xl,xinzweb/gpdb,xinzweb/gpdb,Postgres-XL/Postgres-XL,xinzweb/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,50wu/gpdb,ovr/postgres-xl,adam8157/gpdb,oberstet/postgres-xl,yazun/postgres-xl,adam8157/gpdb,50wu/gpdb,jmcatamney/gpdb,50wu/gpdb,ovr/postgres-xl,ashwinstar/gpdb,yazun/postgres-xl,lisakowen/gpdb,zeroae/postgres-xl,pavanvd/postgres-xl,adam8157/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,greenplum-db/gpdb,xinzweb/gpdb,ashwinstar/gpdb,adam8157/gpdb