-
Recent Posts
Recent Comments
Archives
Categories
Tags
backup benchmarks conference crash dba dtrace funny gcc gdb google innodb io joke knol linux memcached memory mmap mydumper myisam mysql mysqlconf mysqluc performance presentation profiling raid rant recovery replication san francisco security session solaris sun talk threading timstarling tools trip tutorial web4 xfs xss zfs
Tag Archives: support
MySQL support fun, multiplication
There was a question how to do an aggregate multiplication in MySQL. MySQL does not provide such functionality, so we were looking at various workarounds. We discussed UDF interface that allows to construct custom aggregates, also did look at @a:=@a*field … Continue reading