1 /* 2 Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved. 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, version 2.0, 6 as published by the Free Software Foundation. 7 8 This program is also distributed with certain software (including 9 but not limited to OpenSSL) that is licensed under separate terms, 10 as designated in a particular file or component or in included license 11 documentation. The authors of MySQL hereby grant you an additional 12 permission to link the program and your derivative works with the 13 separately licensed software that they have included with MySQL. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License, version 2.0, for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ 23 24 #ifndef _EVENT_PARSE_DATA_H_ 25 #define _EVENT_PARSE_DATA_H_ 26 27 #include <stddef.h> 28 29 #include "lex_string.h" 30 #include "my_dbug.h" 31 #include "my_inttypes.h" 32 #include "my_time.h" // interval_type 33 34 class Item; 35 class THD; 36 class sp_name; 37 38 #define EVEX_GET_FIELD_FAILED -2 39 #define EVEX_BAD_PARAMS -5 40 #define EVEX_MICROSECOND_UNSUP -6 41 #define EVEX_MAX_INTERVAL_VALUE 1000000000L 42 43 class Event_parse_data { 44 public: 45 /* 46 ENABLED = feature can function normally (is turned on) 47 SLAVESIDE_DISABLED = feature is turned off on slave 48 DISABLED = feature is turned off 49 */ 50 enum enum_status { ENABLED = 1, DISABLED, SLAVESIDE_DISABLED }; 51 52 enum enum_on_completion { 53 /* 54 On CREATE EVENT, DROP is the DEFAULT as per the docs. 55 On ALTER EVENT, "no change" is the DEFAULT. 56 */ 57 ON_COMPLETION_DEFAULT = 0, 58 ON_COMPLETION_DROP, 59 ON_COMPLETION_PRESERVE 60 }; 61 62 int on_completion; 63 int status; 64 bool status_changed; 65 longlong originator; 66 /* 67 do_not_create will be set if STARTS time is in the past and 68 on_completion == ON_COMPLETION_DROP. 69 */ 70 bool do_not_create; 71 72 bool body_changed; 73 74 LEX_CSTRING dbname; 75 LEX_CSTRING name; 76 LEX_STRING definer; // combination of user and host 77 LEX_STRING comment; 78 79 Item *item_starts; 80 Item *item_ends; 81 Item *item_execute_at; 82 83 my_time_t starts; 84 my_time_t ends; 85 my_time_t execute_at; 86 bool starts_null; 87 bool ends_null; 88 bool execute_at_null; 89 90 sp_name *identifier; 91 Item *item_expression; 92 longlong expression; 93 interval_type interval; 94 95 bool check_parse_data(THD *thd); 96 97 bool check_dates(THD *thd, int previous_on_completion); 98 Event_parse_data()99 Event_parse_data() 100 : on_completion(Event_parse_data::ON_COMPLETION_DEFAULT), 101 status(Event_parse_data::ENABLED), 102 status_changed(false), 103 do_not_create(false), 104 body_changed(false), 105 item_starts(nullptr), 106 item_ends(nullptr), 107 item_execute_at(nullptr), 108 starts_null(true), 109 ends_null(true), 110 execute_at_null(true), 111 item_expression(nullptr), 112 expression(0) { 113 DBUG_TRACE; 114 115 /* Actually in the parser STARTS is always set */ 116 starts = ends = execute_at = 0; 117 118 comment.str = nullptr; 119 comment.length = 0; 120 121 return; 122 } 123 ~Event_parse_data()124 ~Event_parse_data() {} 125 126 private: 127 void init_definer(THD *thd); 128 129 void init_name(THD *thd, sp_name *spn); 130 131 int init_execute_at(THD *thd); 132 133 int init_interval(THD *thd); 134 135 int init_starts(THD *thd); 136 137 int init_ends(THD *thd); 138 139 void report_bad_value(THD *thd, const char *item_name, Item *bad_item); 140 141 void check_if_in_the_past(THD *thd, my_time_t ltime_utc); 142 143 Event_parse_data(const Event_parse_data &); /* Prevent use of these */ 144 void check_originator_id(THD *thd); 145 void operator=(Event_parse_data &); 146 }; 147 #endif 148