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sql_parse.h
/* 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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