Simplify implementation of ts_debug() function --- use a join instead of redundant sub-selects.  initdb not forced, since this is just a cosmetic change, but the new code won't show up till you do one.
Simplify implementation of ts_debug() function --- use a join instead
of redundant sub-selects.  initdb not forced, since this is just a
cosmetic change, but the new code won't show up till you do one.

tpostgres-projects/tPostgres,cjcjameson/gpdb,rvs/gpdb,pavanvd/postgres-xl,edespino/gpdb,rvs/gpdb,janebeckman/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,xuegang/gpdb,kaknikhil/gpdb,kmjungersen/PostgresXL,royc1/gpdb,jmcatamney/gpdb,janebeckman/gpdb,CraigHarris/gpdb,lisakowen/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,lisakowen/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,Chibin/gpdb,kaknikhil/gpdb,50wu/gpdb,chrishajas/gpdb,xuegang/gpdb,lintzc/gpdb,chrishajas/gpdb,tpostgres-projects/tPostgres,rvs/gpdb,lintzc/gpdb,Chibin/gpdb,royc1/gpdb,postmind-net/postgres-xl,janebeckman/gpdb,xinzweb/gpdb,yuanzhao/gpdb,xuegang/gpdb,jmcatamney/gpdb,lisakowen/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,techdragon/Postgres-XL,zeroae/postgres-xl,lintzc/gpdb,rvs/gpdb,adam8157/gpdb,edespino/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,ahachete/gpdb,Quikling/gpdb,Quikling/gpdb,rvs/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,kaknikhil/gpdb,jmcatamney/gpdb,royc1/gpdb,Chibin/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,50wu/gpdb,xuegang/gpdb,ashwinstar/gpdb,adam8157/gpdb,chrishajas/gpdb,arcivanov/postgres-xl,royc1/gpdb,xuegang/gpdb,adam8157/gpdb,ovr/postgres-xl,rvs/gpdb,postmind-net/postgres-xl,0x0FFF/gpdb,janebeckman/gpdb,xinzweb/gpdb,edespino/gpdb,zaksoup/gpdb,lisakowen/gpdb,lintzc/gpdb,50wu/gpdb,yuanzhao/gpdb,adam8157/gpdb,kaknikhil/gpdb,janebeckman/gpdb,0x0FFF/gpdb,ahachete/gpdb,Quikling/gpdb,edespino/gpdb,rvs/gpdb,ahachete/gpdb,chrishajas/gpdb,zeroae/postgres-xl,xinzweb/gpdb,ashwinstar/gpdb,oberstet/postgres-xl,0x0FFF/gpdb,jmcatamney/gpdb,lisakowen/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,ahachete/gpdb,pavanvd/postgres-xl,snaga/postgres-xl,janebeckman/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,yazun/postgres-xl,greenplum-db/gpdb,rvs/gpdb,adam8157/gpdb,kaknikhil/gpdb,arcivanov/postgres-xl,jmcatamney/gpdb,yazun/postgres-xl,rvs/gpdb,chrishajas/gpdb,xinzweb/gpdb,Quikling/gpdb,Quikling/gpdb,CraigHarris/gpdb,Chibin/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,Postgres-XL/Postgres-XL,zaksoup/gpdb,ovr/postgres-xl,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,ahachete/gpdb,lintzc/gpdb,arcivanov/postgres-xl,zeroae/postgres-xl,kaknikhil/gpdb,0x0FFF/gpdb,Postgres-XL/Postgres-XL,oberstet/postgres-xl,0x0FFF/gpdb,xinzweb/gpdb,zaksoup/gpdb,edespino/gpdb,xinzweb/gpdb,yazun/postgres-xl,zaksoup/gpdb,xinzweb/gpdb,yuanzhao/gpdb,edespino/gpdb,techdragon/Postgres-XL,Quikling/gpdb,ovr/postgres-xl,kmjungersen/PostgresXL,janebeckman/gpdb,cjcjameson/gpdb,xinzweb/gpdb,ahachete/gpdb,greenplum-db/gpdb,pavanvd/postgres-xl,cjcjameson/gpdb,0x0FFF/gpdb,janebeckman/gpdb,Chibin/gpdb,cjcjameson/gpdb,ahachete/gpdb,CraigHarris/gpdb,adam8157/gpdb,zaksoup/gpdb,Quikling/gpdb,lisakowen/gpdb,kmjungersen/PostgresXL,snaga/postgres-xl,lisakowen/gpdb,Chibin/gpdb,CraigHarris/gpdb,kmjungersen/PostgresXL,50wu/gpdb,edespino/gpdb,tpostgres-projects/tPostgres,tpostgres-projects/tPostgres,greenplum-db/gpdb,janebeckman/gpdb,lintzc/gpdb,snaga/postgres-xl,zaksoup/gpdb,chrishajas/gpdb,arcivanov/postgres-xl,royc1/gpdb,adam8157/gpdb,zeroae/postgres-xl,edespino/gpdb,techdragon/Postgres-XL,lintzc/gpdb,greenplum-db/gpdb,xuegang/gpdb,0x0FFF/gpdb,lintzc/gpdb,50wu/gpdb,Quikling/gpdb,arcivanov/postgres-xl,pavanvd/postgres-xl,ashwinstar/gpdb,techdragon/Postgres-XL,oberstet/postgres-xl,CraigHarris/gpdb,ashwinstar/gpdb,snaga/postgres-xl,ovr/postgres-xl,yuanzhao/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,Chibin/gpdb,xuegang/gpdb,Quikling/gpdb,ahachete/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,adam8157/gpdb,snaga/postgres-xl,CraigHarris/gpdb,janebeckman/gpdb,yazun/postgres-xl,edespino/gpdb,royc1/gpdb,yazun/postgres-xl,rvs/gpdb,greenplum-db/gpdb,50wu/gpdb,yuanzhao/gpdb,pavanvd/postgres-xl,kaknikhil/gpdb,chrishajas/gpdb,edespino/gpdb,kaknikhil/gpdb,zaksoup/gpdb,xuegang/gpdb,Chibin/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,royc1/gpdb,ashwinstar/gpdb,lintzc/gpdb,chrishajas/gpdb,Chibin/gpdb,ovr/postgres-xl,50wu/gpdb,arcivanov/postgres-xl,xuegang/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,Chibin/gpdb,royc1/gpdb,greenplum-db/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,0x0FFF/gpdb,zeroae/postgres-xl,oberstet/postgres-xl,postmind-net/postgres-xl,yuanzhao/gpdb,50wu/gpdb