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5a759d31f7
Benefits of this patch: - Removed a lot of calls to strlen(), especially for field_string - Strings generated by parser are now const strings, less chance of accidently changing a string - Removed a lot of calls with LEX_STRING as parameter (changed to pointer) - More uniform code - Item::name_length was not kept up to date. Now fixed - Several bugs found and fixed (Access to null pointers, access of freed memory, wrong arguments to printf like functions) - Removed a lot of casts from (const char*) to (char*) Changes: - This caused some ABI changes - lex_string_set now uses LEX_CSTRING - Some fucntions are now taking const char* instead of char* - Create_field::change and after changed to LEX_CSTRING - handler::connect_string, comment and engine_name() changed to LEX_CSTRING - Checked printf() related calls to find bugs. Found and fixed several errors in old code. - A lot of changes from LEX_STRING to LEX_CSTRING, especially related to parsing and events. - Some changes from LEX_STRING and LEX_STRING & to LEX_CSTRING* - Some changes for char* to const char* - Added printf argument checking for my_snprintf() - Introduced null_clex_str, star_clex_string, temp_lex_str to simplify code - Added item_empty_name and item_used_name to be able to distingush between items that was given an empty name and items that was not given a name This is used in sql_yacc.yy to know when to give an item a name. - select table_name."*' is not anymore same as table_name.* - removed not used function Item::rename() - Added comparision of item->name_length before some calls to my_strcasecmp() to speed up comparison - Moved Item_sp_variable::make_field() from item.h to item.cc - Some minimal code changes to avoid copying to const char * - Fixed wrong error message in wsrep_mysql_parse() - Fixed wrong code in find_field_in_natural_join() where real_item() was set when it shouldn't - ER_ERROR_ON_RENAME was used with extra arguments. - Removed some (wrong) ER_OUTOFMEMORY, as alloc_root will already give the error. TODO: - Check possible unsafe casts in plugin/auth_examples/qa_auth_interface.c - Change code to not modify LEX_CSTRING for database name (as part of lower_case_table_names)
132 lines
2.9 KiB
C++
132 lines
2.9 KiB
C++
/*
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Copyright (c) 2008, 2011, Oracle and/or its affiliates.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef _EVENT_PARSE_DATA_H_
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#define _EVENT_PARSE_DATA_H_
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#include "sql_list.h" /* Sql_alloc */
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class Item;
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class THD;
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class sp_name;
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#define EVEX_GET_FIELD_FAILED -2
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#define EVEX_BAD_PARAMS -5
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#define EVEX_MICROSECOND_UNSUP -6
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#define EVEX_MAX_INTERVAL_VALUE 1000000000L
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class Event_parse_data : public Sql_alloc
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{
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public:
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/*
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ENABLED = feature can function normally (is turned on)
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SLAVESIDE_DISABLED = feature is turned off on slave
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DISABLED = feature is turned off
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*/
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enum enum_status
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{
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ENABLED = 1,
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DISABLED,
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SLAVESIDE_DISABLED
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};
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enum enum_on_completion
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{
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/*
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On CREATE EVENT, DROP is the DEFAULT as per the docs.
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On ALTER EVENT, "no change" is the DEFAULT.
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*/
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ON_COMPLETION_DEFAULT = 0,
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ON_COMPLETION_DROP,
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ON_COMPLETION_PRESERVE
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};
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int on_completion;
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int status;
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bool status_changed;
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uint32 originator;
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/*
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do_not_create will be set if STARTS time is in the past and
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on_completion == ON_COMPLETION_DROP.
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*/
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bool do_not_create;
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bool body_changed;
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LEX_CSTRING dbname;
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LEX_CSTRING name;
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LEX_CSTRING definer;// combination of user and host
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LEX_CSTRING comment;
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Item* item_starts;
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Item* item_ends;
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Item* item_execute_at;
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my_time_t starts;
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my_time_t ends;
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my_time_t execute_at;
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bool starts_null;
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bool ends_null;
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bool execute_at_null;
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sp_name *identifier;
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Item* item_expression;
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longlong expression;
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interval_type interval;
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static Event_parse_data *
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new_instance(THD *thd);
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bool
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check_parse_data(THD *thd);
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bool
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check_dates(THD *thd, int previous_on_completion);
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private:
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void
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init_definer(THD *thd);
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void
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init_name(THD *thd, sp_name *spn);
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int
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init_execute_at(THD *thd);
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int
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init_interval(THD *thd);
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int
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init_starts(THD *thd);
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int
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init_ends(THD *thd);
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Event_parse_data();
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~Event_parse_data();
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void
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report_bad_value(const char *item_name, Item *bad_item);
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void
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check_if_in_the_past(THD *thd, my_time_t ltime_utc);
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Event_parse_data(const Event_parse_data &); /* Prevent use of these */
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void check_originator_id(THD *thd);
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void operator=(Event_parse_data &);
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};
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#endif
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