/* Copyright (C) 2010, 2021, MariaDB Corporation. 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 Engine defined options of tables/fields/keys in CREATE/ALTER TABLE. */ #ifndef SQL_CREATE_OPTIONS_INCLUDED #define SQL_CREATE_OPTIONS_INCLUDED #include "sql_class.h" enum { ENGINE_OPTION_MAX_LENGTH=32767 }; class engine_option_value: public Sql_alloc { public: LEX_CSTRING name; LEX_CSTRING value; engine_option_value *next; ///< parser puts them in a FIFO linked list bool parsed; ///< to detect unrecognized options bool quoted_value; ///< option=VAL vs. option='VAL' engine_option_value(engine_option_value *src) : name(src->name), value(src->value), next(NULL), parsed(src->parsed), quoted_value(src->quoted_value) { } engine_option_value(LEX_CSTRING &name_arg, LEX_CSTRING &value_arg, bool quoted) : name(name_arg), value(value_arg), next(NULL), parsed(false), quoted_value(quoted) { } engine_option_value(LEX_CSTRING &name_arg): name(name_arg), value(null_clex_str), next(NULL), parsed(false), quoted_value(false) { } engine_option_value(LEX_CSTRING &name_arg, ulonglong value_arg, MEM_ROOT *root) : name(name_arg), next(NULL), parsed(false), quoted_value(false) { char *str; if (likely((value.str= str= (char *)alloc_root(root, 22)))) { value.length= longlong10_to_str(value_arg, str, 10) - str; } } static uchar *frm_read(const uchar *buff, const uchar *buff_end, engine_option_value **start, engine_option_value **end, MEM_ROOT *root); void link(engine_option_value **start, engine_option_value **end); uint frm_length(); uchar *frm_image(uchar *buff); }; typedef struct st_key KEY; class Create_field; bool resolve_sysvar_table_options(handlerton *hton); void free_sysvar_table_options(handlerton *hton); bool parse_engine_table_options(THD *thd, handlerton *ht, TABLE_SHARE *share); #ifdef WITH_PARTITION_STORAGE_ENGINE bool parse_engine_part_options(THD *thd, TABLE *table); #endif bool parse_option_list(THD* thd, void *option_struct, engine_option_value **option_list, ha_create_table_option *rules, bool suppress_warning, MEM_ROOT *root); bool extend_option_list(THD* thd, handlerton *hton, bool create, engine_option_value **option_list, ha_create_table_option *rules); bool engine_table_options_frm_read(const uchar *buff, size_t length, TABLE_SHARE *share); bool merge_engine_options(engine_option_value *source, engine_option_value *changes, engine_option_value **out, MEM_ROOT *root); uint engine_table_options_frm_length(engine_option_value *table_option_list, List<Create_field> &create_fields, uint keys, KEY *key_info); uchar *engine_table_options_frm_image(uchar *buff, engine_option_value *table_option_list, List<Create_field> &create_fields, uint keys, KEY *key_info); bool engine_options_differ(void *old_struct, void *new_struct, ha_create_table_option *rules); bool is_engine_option_known(engine_option_value *opt, ha_create_table_option *rules); #endif