Loading Docs/manual.texi +7 −2 Original line number Diff line number Diff line Loading @@ -20166,8 +20166,9 @@ is a new thread created. This variable can be increased to improve performance if you have a lot of new connections. (Normally this doesn't give a notable performance improvement if you have a good thread implementation.) By examing the difference between the @code{Connections} and @code{Threads_created} you can see how efficient the current thread cache is for you. the @code{Connections} and @code{Threads_created} status variables (See @ref{SHOW STATUS} for details) you can see how efficient thread cache is. @item @code{thread_concurrency} On Solaris, @code{mysqld} will call @code{thr_setconcurrency()} with Loading Loading @@ -34044,6 +34045,10 @@ SELECT ... @code{UNION} is used to combine the result from many @code{SELECT} statements into one result set. The columns listed in the select_expression portion of the @code{SELECT} should have the same type. The column names used in the first @code{SELECT} query will be used as the column names for the results returned. The @code{SELECT} commands are normal select commands, but with the following restrictions: Loading
Docs/manual.texi +7 −2 Original line number Diff line number Diff line Loading @@ -20166,8 +20166,9 @@ is a new thread created. This variable can be increased to improve performance if you have a lot of new connections. (Normally this doesn't give a notable performance improvement if you have a good thread implementation.) By examing the difference between the @code{Connections} and @code{Threads_created} you can see how efficient the current thread cache is for you. the @code{Connections} and @code{Threads_created} status variables (See @ref{SHOW STATUS} for details) you can see how efficient thread cache is. @item @code{thread_concurrency} On Solaris, @code{mysqld} will call @code{thr_setconcurrency()} with Loading Loading @@ -34044,6 +34045,10 @@ SELECT ... @code{UNION} is used to combine the result from many @code{SELECT} statements into one result set. The columns listed in the select_expression portion of the @code{SELECT} should have the same type. The column names used in the first @code{SELECT} query will be used as the column names for the results returned. The @code{SELECT} commands are normal select commands, but with the following restrictions: