MDEV-15 Log all SQL errors.

              Added the logger service that provides us with the rotating logs.
              The plugin SQL_ERROR_LOG added. It logs the errors using the 'logger service'
                      for the rotating log files.
              the example record from the log:
                2012-03-09 15:07:29 root[root] @ localhost [] ERROR 1146: Table 'test.xyz' doesn't exist : select * from test.xyz

1 files changed, 10 insertions, 1 deletions

diff --git a/sql/sql_plugin_services.h b/sql/sql_plugin_services.h
index 7f2a4e5f955..bd6d136585a 100644
--- a/sql/sql_plugin_services.h
+++ b/sql/sql_plugin_services.h
@@ -54,12 +54,21 @@ static struct progress_report_service_st progress_report_handler= {
   set_thd_proc_info
 };
 
+static struct logger_service_st logger_handler= {
+  logger_open,
+  logger_close,
+  logger_vprintf,
+  logger_printf,
+  logger_rotate
+};
+
 static struct st_service_ref list_of_services[]=
 {
   { "my_snprintf_service", VERSION_my_snprintf, &my_snprintf_handler },
   { "thd_alloc_service",   VERSION_thd_alloc,   &thd_alloc_handler },
   { "thd_wait_service",    VERSION_thd_wait,    &thd_wait_handler },
   { "my_thread_scheduler_service", VERSION_my_thread_scheduler, &my_thread_scheduler_handler },
-  { "progress_report_service", VERSION_progress_report, &progress_report_handler }
+  { "progress_report_service", VERSION_progress_report, &progress_report_handler },
+  { "logger_service",   VERSION_logger,   &logger_handler },
 };