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00020
00021 #include <config.h>
00022
00023 #include <drizzled/session.h>
00024 #include <drizzled/session/cache.h>
00025 #include <plugin/utility_functions/functions.h>
00026
00027 namespace drizzled
00028 {
00029
00030 namespace utility_functions
00031 {
00032
00033 int64_t Kill::val_int()
00034 {
00035 int64_t session_id_for_kill= args[0]->val_int();
00036
00037 if (getSession().getSessionId() == session_id_for_kill)
00038 {
00039 my_error(drizzled::ER_KILL_DENY_SELF_ERROR, MYF(0));
00040 return 0;
00041 }
00042
00043 Session::shared_ptr die_session(session::Cache::singleton().find(session_id_for_kill));
00044
00045 if (not die_session)
00046 {
00047 my_error(drizzled::ER_NO_SUCH_THREAD, session_id_for_kill, MYF(0));
00048 return 0;
00049 }
00050
00051 if (not die_session->isViewable(*getSession().user()))
00052 {
00053 my_error(drizzled::ER_KILL_DENIED_ERROR, session_id_for_kill, MYF(0));
00054 return 0;
00055 }
00056
00057 die_session->awake(arg_count == 2 ? Session::KILL_QUERY : Session::KILL_CONNECTION);
00058
00059 return session_id_for_kill;
00060 }
00061
00062 }
00063 }