IBM AIX上 select返回值的 man if a connect-based socket is specified in the readlist parameter and the connection disconnects, the select subroutine returns successfully,but the recv subroutine on the socket will return a value of 0 to indicate the socke
2019-08-14 12:29:09.609 WARN 1079 --- [ main] org.apache.dubbo.config.AbstractConfig : [DUBBO] There's no valid metadata config found, if you are using the simplified mode of registry url, please make sure you have a metadata address co
hive建表后直接将数据文件拷贝到table目录下,select * 可以查到数据,但是select count(1) 一直返回0,这个是因为hive中有个配置 hive.stats.autogather=true Enables automated gathering of table-level statistics for newly created tables and table partitions, such as tables created with the INSERT OV
[root@dr-mysql01 sbin]# cat t1.pl use DBI; my $dbUser='DEVOPS'; my $user="root"; my $passwd="1234567"; $gp=$ARGV[0]; my @arr2=""; my $dbh = DBI->connect("dbi:mysql:database=DEVOPS;host=192.168.32.161;port=3306",$