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/* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
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 St, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef SQL_PARSE_INCLUDED
#define SQL_PARSE_INCLUDED
#include "sql_acl.h" /* GLOBAL_ACLS */
class Comp_creator;
class Item;
class Object_creation_ctx;
class Parser_state;
struct TABLE_LIST;
class THD;
class Table_ident;
struct LEX;
enum enum_mysql_completiontype {
ROLLBACK_RELEASE=-2, ROLLBACK=1, ROLLBACK_AND_CHAIN=7,
COMMIT_RELEASE=-1, COMMIT=0, COMMIT_AND_CHAIN=6
};
extern "C" int path_starts_from_data_home_dir(const char *dir);
int test_if_data_home_dir(const char *dir);
int error_if_data_home_dir(const char *path, const char *what);
my_bool net_allocate_new_packet(NET *net, void *thd, uint my_flags);
bool multi_update_precheck(THD *thd, TABLE_LIST *tables);
bool multi_delete_precheck(THD *thd, TABLE_LIST *tables);
int mysql_multi_update_prepare(THD *thd);
int mysql_multi_delete_prepare(THD *thd);
int mysql_insert_select_prepare(THD *thd,select_result *sel_res);
bool update_precheck(THD *thd, TABLE_LIST *tables);
bool delete_precheck(THD *thd, TABLE_LIST *tables);
bool insert_precheck(THD *thd, TABLE_LIST *tables);
bool create_table_precheck(THD *thd, TABLE_LIST *tables,
TABLE_LIST *create_table);
bool check_fk_parent_table_access(THD *thd,
HA_CREATE_INFO *create_info,
Alter_info *alter_info,
const char* create_db);
bool parse_sql(THD *thd, Parser_state *parser_state,
Object_creation_ctx *creation_ctx, bool do_pfs_digest=false);
void free_items(Item *item);
void cleanup_items(Item *item);
Comp_creator *comp_eq_creator(bool invert);
Comp_creator *comp_ge_creator(bool invert);
Comp_creator *comp_gt_creator(bool invert);
Comp_creator *comp_le_creator(bool invert);
Comp_creator *comp_lt_creator(bool invert);
Comp_creator *comp_ne_creator(bool invert);
int prepare_schema_table(THD *thd, LEX *lex, Table_ident *table_ident,
enum enum_schema_tables schema_table_idx);
void get_default_definer(THD *thd, LEX_USER *definer, bool role);
LEX_USER *create_default_definer(THD *thd, bool role);
LEX_USER *create_definer(THD *thd, LEX_CSTRING *user_name, LEX_CSTRING *host_name);
LEX_USER *get_current_user(THD *thd, LEX_USER *user, bool lock=true);
bool sp_process_definer(THD *thd);
bool check_string_byte_length(const LEX_CSTRING *str, uint err_msg,
size_t max_byte_length);
bool check_string_char_length(const LEX_CSTRING *str, uint err_msg,
size_t max_char_length, CHARSET_INFO *cs,
bool no_error);
bool check_ident_length(const LEX_CSTRING *ident);
CHARSET_INFO* merge_charset_and_collation(CHARSET_INFO *cs, CHARSET_INFO *cl);
CHARSET_INFO *find_bin_collation(CHARSET_INFO *cs);
bool check_host_name(LEX_CSTRING *str);
bool check_identifier_name(LEX_CSTRING *str, uint max_char_length,
uint err_code, const char *param_for_err_msg);
bool mysql_test_parse_for_slave(THD *thd,char *inBuf,uint length);
bool sqlcom_can_generate_row_events(const THD *thd);
bool stmt_causes_implicit_commit(THD *thd, uint mask);
bool is_update_query(enum enum_sql_command command);
bool is_log_table_write_query(enum enum_sql_command command);
bool alloc_query(THD *thd, const char *packet, size_t packet_length);
void mysql_init_select(LEX *lex);
void mysql_parse(THD *thd, char *rawbuf, uint length,
Parser_state *parser_state);
bool mysql_new_select(LEX *lex, bool move_down, SELECT_LEX *sel);
void create_select_for_variable(THD *thd, LEX_CSTRING *var_name);
void create_table_set_open_action_and_adjust_tables(LEX *lex);
void mysql_init_multi_delete(LEX *lex);
bool multi_delete_set_locks_and_link_aux_tables(LEX *lex);
void create_table_set_open_action_and_adjust_tables(LEX *lex);
int bootstrap(MYSQL_FILE *file);
bool run_set_statement_if_requested(THD *thd, LEX *lex);
int mysql_execute_command(THD *thd, bool is_called_from_prepared_stmt=false);
enum dispatch_command_return
{
DISPATCH_COMMAND_SUCCESS=0,
DISPATCH_COMMAND_CLOSE_CONNECTION= 1,
DISPATCH_COMMAND_WOULDBLOCK= 2
};
dispatch_command_return do_command(THD *thd, bool blocking = true);
dispatch_command_return dispatch_command(enum enum_server_command command, THD *thd,
char* packet, uint packet_length, bool blocking = true);
void log_slow_statement(THD *thd);
bool append_file_to_dir(THD *thd, const char **filename_ptr,
const LEX_CSTRING *table_name);
void execute_init_command(THD *thd, LEX_STRING *init_command,
mysql_rwlock_t *var_lock);
bool add_to_list(THD *thd, SQL_I_List<ORDER> &list, Item *group, bool asc);
void add_join_on(THD *thd, TABLE_LIST *b, Item *expr);
void add_join_natural(TABLE_LIST *a,TABLE_LIST *b,List<String> *using_fields,
SELECT_LEX *lex);
bool add_proc_to_list(THD *thd, Item *item);
bool push_new_name_resolution_context(THD *thd,
TABLE_LIST *left_op,
TABLE_LIST *right_op);
void init_update_queries(void);
Item *normalize_cond(THD *thd, Item *cond);
Item *negate_expression(THD *thd, Item *expr);
bool check_stack_overrun(THD *thd, long margin, uchar *dummy);
/* Variables */
extern const LEX_CSTRING any_db;
extern uint sql_command_flags[];
extern uint server_command_flags[];
extern const LEX_CSTRING command_name[];
extern uint server_command_flags[];
/* Inline functions */
inline bool check_identifier_name(LEX_CSTRING *str, uint err_code)
{
return check_identifier_name(str, NAME_CHAR_LEN, err_code, "");
}
inline bool check_identifier_name(LEX_CSTRING *str)
{
return check_identifier_name(str, NAME_CHAR_LEN, 0, "");
}
#ifndef NO_EMBEDDED_ACCESS_CHECKS
bool check_one_table_access(THD *thd, privilege_t privilege, TABLE_LIST *tables);
bool check_single_table_access(THD *thd, privilege_t privilege,
TABLE_LIST *tables, bool no_errors);
bool check_routine_access(THD *thd, privilege_t want_access,
const LEX_CSTRING *db,
const LEX_CSTRING *name,
const Sp_handler *sph, bool no_errors);
bool check_some_access(THD *thd, privilege_t want_access, TABLE_LIST *table);
bool check_some_routine_access(THD *thd, const char *db, const char *name,
const Sp_handler *sph);
bool check_table_access(THD *thd, privilege_t requirements,TABLE_LIST *tables,
bool any_combination_of_privileges_will_do,
uint number,
bool no_errors);
#else
inline bool check_one_table_access(THD *thd, privilege_t privilege, TABLE_LIST *tables)
{ return false; }
inline bool check_single_table_access(THD *thd, privilege_t privilege,
TABLE_LIST *tables, bool no_errors)
{ return false; }
inline bool check_routine_access(THD *thd, privilege_t want_access,
const LEX_CSTRING *db,
const LEX_CSTRING *name,
const Sp_handler *sph, bool no_errors)
{ return false; }
inline bool check_some_access(THD *thd, privilege_t want_access, TABLE_LIST *table)
{
table->grant.privilege= want_access;
return false;
}
inline bool check_some_routine_access(THD *thd, const char *db,
const char *name,
const Sp_handler *sph)
{ return false; }
inline bool
check_table_access(THD *thd, privilege_t requirements,TABLE_LIST *tables,
bool any_combination_of_privileges_will_do,
uint number,
bool no_errors)
{ return false; }
#endif /*NO_EMBEDDED_ACCESS_CHECKS*/
#endif /* SQL_PARSE_INCLUDED */
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