1 #ifndef MYSQL_SERVICE_THD_TIMEZONE_INCLUDED 2 /* Copyright (C) 2013 MariaDB Foundation. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; version 2 of the License. 7 8 This program is distributed in the hope that it will be useful, 9 but WITHOUT ANY WARRANTY; without even the implied warranty of 10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License 14 along with this program; if not, write to the Free Software 15 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ 16 17 /** 18 @file 19 This service provdes functions to convert between my_time_t and 20 MYSQL_TIME taking into account the current value of the time_zone 21 session variable. 22 23 The values of the my_time_t type are in Unix timestamp format, 24 i.e. the number of seconds since "1970-01-01 00:00:00 UTC". 25 26 The values of the MYSQL_TIME type are in the current time zone, 27 according to thd->variables.time_zone. 28 29 If the MYSQL_THD parameter is NULL, then global_system_variables.time_zone 30 is used for conversion. 31 */ 32 33 #ifndef MYSQL_ABI_CHECK 34 /* 35 This service currently does not depend on any system headers. 36 If it needs system headers in the future, make sure to put 37 them inside this ifndef. 38 */ 39 #endif 40 41 #include "mysql_time.h" 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 48 extern struct thd_timezone_service_st { 49 my_time_t (*thd_TIME_to_gmt_sec)(MYSQL_THD thd, const MYSQL_TIME *ltime, unsigned int *errcode); 50 void (*thd_gmt_sec_to_TIME)(MYSQL_THD thd, MYSQL_TIME *ltime, my_time_t t); 51 } *thd_timezone_service; 52 53 #ifdef MYSQL_DYNAMIC_PLUGIN 54 55 #define thd_TIME_to_gmt_sec(thd, ltime, errcode) \ 56 (thd_timezone_service->thd_TIME_to_gmt_sec((thd), (ltime), (errcode))) 57 58 #define thd_gmt_sec_to_TIME(thd, ltime, t) \ 59 (thd_timezone_service->thd_gmt_sec_to_TIME((thd), (ltime), (t))) 60 61 #else 62 63 my_time_t thd_TIME_to_gmt_sec(MYSQL_THD thd, const MYSQL_TIME *ltime, unsigned int *errcode); 64 void thd_gmt_sec_to_TIME(MYSQL_THD thd, MYSQL_TIME *ltime, my_time_t t); 65 66 #endif 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #define MYSQL_SERVICE_THD_TIMEZONE_INCLUDED 73 #endif 74