以下是原始查询:select retention as Day,count(retention) as Num_Users_Retainedfrom (select player_id,round(init_dtime-create_dtime,0) as retentionwhere Trunc(Create_Dtime) >= To_Date('2012-jan-01','yyyy-mo
=604800000,message.timestamp.difference.max.ms=9223372036854775807,delete.retention.ms=86400000,retention.bytes=-1 retention=substr($0,RSTART+13,RLENGTH-13)
if ( length(<