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#ifndef MYSQL_SERVICE_PROGRESS_REPORT_INCLUDED /* Copyright (C) 2011 Monty Program Ab This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ /** @file This service allows plugins to report progress of long running operations to the server. The progress report is visible in SHOW PROCESSLIST, INFORMATION_SCHEMA.PROCESSLIST, and is sent to the client if requested. The functions are documented at https://mariadb.com/kb/en/progress-reporting/#how-to-add-support-for-progress-reporting-to-a-storage-engine */ #ifdef __cplusplus extern "C" { #endif #define thd_proc_info(thd, msg) set_thd_proc_info(thd, msg, \ __func__, __FILE__, __LINE__) extern struct progress_report_service_st { void (*thd_progress_init_func)(MYSQL_THD thd, unsigned int max_stage); void (*thd_progress_report_func)(MYSQL_THD thd, unsigned long long progress, unsigned long long max_progress); void (*thd_progress_next_stage_func)(MYSQL_THD thd); void (*thd_progress_end_func)(MYSQL_THD thd); const char *(*set_thd_proc_info_func)(MYSQL_THD, const char *info, const char *func, const char *file, unsigned int line); } *progress_report_service; #ifdef MYSQL_DYNAMIC_PLUGIN #define thd_progress_init(thd,max_stage) (progress_report_service->thd_progress_init_func((thd),(max_stage))) #define thd_progress_report(thd, progress, max_progress) (progress_report_service->thd_progress_report_func((thd), (progress), (max_progress))) #define thd_progress_next_stage(thd) (progress_report_service->thd_progress_next_stage_func(thd)) #define thd_progress_end(thd) (progress_report_service->thd_progress_end_func(thd)) #define set_thd_proc_info(thd,info,func,file,line) (progress_report_service->set_thd_proc_info_func((thd),(info),(func),(file),(line))) #else /** Report progress for long running operations @param thd User thread connection handle @param progress Where we are now @param max_progress Progress will continue up to this */ void thd_progress_init(MYSQL_THD thd, unsigned int max_stage); void thd_progress_report(MYSQL_THD thd, unsigned long long progress, unsigned long long max_progress); void thd_progress_next_stage(MYSQL_THD thd); void thd_progress_end(MYSQL_THD thd); const char *set_thd_proc_info(MYSQL_THD, const char * info, const char *func, const char *file, unsigned int line); #endif #ifdef __cplusplus } #endif #define MYSQL_SERVICE_PROGRESS_REPORT_INCLUDED #endif
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