diff options
Diffstat (limited to 'sql/sql_lex.h')
| -rw-r--r-- | sql/sql_lex.h | 216 |
1 files changed, 110 insertions, 106 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h index c1c751ecbbc..91f9eb77db2 100644 --- a/sql/sql_lex.h +++ b/sql/sql_lex.h @@ -48,7 +48,7 @@ This will allow to avoid unnecessary copying, as well as create more optimal Item types in sql_yacc.yy */ -struct Lex_string_with_metadata_st: public LEX_STRING +struct Lex_string_with_metadata_st: public LEX_CSTRING { bool m_is_8bit; // True if the string has 8bit characters public: @@ -154,7 +154,7 @@ void binlog_unsafe_map_init(); struct sys_var_with_base { sys_var *var; - LEX_STRING base_name; + LEX_CSTRING base_name; }; struct LEX_TYPE @@ -198,8 +198,10 @@ struct LEX_TYPE #ifdef MYSQL_SERVER -extern const LEX_STRING null_lex_str; -extern const LEX_STRING empty_lex_str; +extern const LEX_STRING empty_lex_str; +extern const LEX_CSTRING empty_clex_str; +extern const LEX_CSTRING star_clex_str; +extern const LEX_CSTRING param_clex_str; enum enum_sp_suid_behaviour { @@ -258,11 +260,11 @@ typedef Mem_root_array<ORDER*, true> Group_list_ptrs; typedef struct st_lex_server_options { long port; - LEX_STRING server_name, host, db, username, password, scheme, socket, owner; - void reset(LEX_STRING name) + LEX_CSTRING server_name, host, db, username, password, scheme, socket, owner; + void reset(LEX_CSTRING name) { server_name= name; - host= db= username= password= scheme= socket= owner= null_lex_str; + host= db= username= password= scheme= socket= owner= null_clex_str; port= -1; } } LEX_SERVER_OPTIONS; @@ -280,13 +282,13 @@ struct LEX_MASTER_INFO DYNAMIC_ARRAY repl_ignore_server_ids; DYNAMIC_ARRAY repl_do_domain_ids; DYNAMIC_ARRAY repl_ignore_domain_ids; - char *host, *user, *password, *log_file_name; - char *ssl_key, *ssl_cert, *ssl_ca, *ssl_capath, *ssl_cipher; - char *ssl_crl, *ssl_crlpath; - char *relay_log_name; - LEX_STRING connection_name; + const char *host, *user, *password, *log_file_name; + const char *ssl_key, *ssl_cert, *ssl_ca, *ssl_capath, *ssl_cipher; + const char *ssl_crl, *ssl_crlpath; + const char *relay_log_name; + LEX_CSTRING connection_name; /* Value in START SLAVE UNTIL master_gtid_pos=xxx */ - LEX_STRING gtid_pos_str; + LEX_CSTRING gtid_pos_str; ulonglong pos; ulong relay_log_pos; ulong server_id; @@ -332,7 +334,7 @@ struct LEX_MASTER_INFO ssl= ssl_verify_server_cert= heartbeat_opt= repl_ignore_server_ids_opt= repl_do_domain_ids_opt= repl_ignore_domain_ids_opt= LEX_MI_UNCHANGED; - gtid_pos_str= null_lex_str; + gtid_pos_str= null_clex_str; use_gtid_opt= LEX_GTID_UNCHANGED; sql_delay= -1; } @@ -380,10 +382,10 @@ public: The index name. Empty (str=NULL) name represents an empty list USE INDEX () clause */ - LEX_STRING key_name; + LEX_CSTRING key_name; Index_hint (enum index_hint_type type_arg, index_clause_map clause_arg, - char *str, uint length) : + const char *str, uint length) : type(type_arg), clause(clause_arg) { key_name.str= str; @@ -580,7 +582,7 @@ public: virtual List<Item>* get_item_list(); virtual ulong get_table_join_options(); virtual TABLE_LIST *add_table_to_list(THD *thd, Table_ident *table, - LEX_STRING *alias, + LEX_CSTRING *alias, ulong table_options, thr_lock_type flags= TL_UNLOCK, enum_mdl_type mdl_type= MDL_SHARED_READ, @@ -804,7 +806,7 @@ class st_select_lex: public st_select_lex_node { public: Name_resolution_context context; - char *db; + const char *db; Item *where, *having; /* WHERE & HAVING clauses */ Item *prep_where; /* saved WHERE clause for prepared statement processing */ Item *prep_having;/* saved HAVING clause for prepared statement processing */ @@ -1028,7 +1030,7 @@ public: bool add_order_to_list(THD *thd, Item *item, bool asc); bool add_gorder_to_list(THD *thd, Item *item, bool asc); TABLE_LIST* add_table_to_list(THD *thd, Table_ident *table, - LEX_STRING *alias, + LEX_CSTRING *alias, ulong table_options, thr_lock_type flags= TL_UNLOCK, enum_mdl_type mdl_type= MDL_SHARED_READ, @@ -1108,7 +1110,7 @@ public: Add a index hint to the tagged list of hints. The type and clause of the hint will be the current ones (set by set_index_hint()) */ - bool add_index_hint (THD *thd, char *str, uint length); + bool add_index_hint (THD *thd, const char *str, uint length); /* make a list to hold index hints */ void alloc_index_hints (THD *thd); @@ -1186,11 +1188,11 @@ public: List<Window_spec> window_specs; void prepare_add_window_spec(THD *thd); - bool add_window_def(THD *thd, LEX_STRING *win_name, LEX_STRING *win_ref, + bool add_window_def(THD *thd, LEX_CSTRING *win_name, LEX_CSTRING *win_ref, SQL_I_List<ORDER> win_partition_list, SQL_I_List<ORDER> win_order_list, Window_frame *win_frame); - bool add_window_spec(THD *thd, LEX_STRING *win_ref, + bool add_window_spec(THD *thd, LEX_CSTRING *win_ref, SQL_I_List<ORDER> win_partition_list, SQL_I_List<ORDER> win_order_list, Window_frame *win_frame); @@ -1237,7 +1239,7 @@ inline bool st_select_lex_unit::is_unit_op () struct st_sp_chistics { - LEX_STRING comment; + LEX_CSTRING comment; enum enum_sp_suid_behaviour suid; bool detistic; enum enum_sp_data_access daccess; @@ -2270,10 +2272,10 @@ public: void body_utf8_append(const char *ptr); void body_utf8_append(const char *ptr, const char *end_ptr); void body_utf8_append_ident(THD *thd, - const LEX_STRING *txt, + const LEX_CSTRING *txt, const char *end_ptr); void body_utf8_append_escape(THD *thd, - const LEX_STRING *txt, + const LEX_CSTRING *txt, CHARSET_INFO *txt_cs, const char *end_ptr, my_wc_t sep); @@ -2597,15 +2599,15 @@ struct LEX: public Query_tables_list // type information CHARSET_INFO *charset; - LEX_STRING name; - char *help_arg; - char *backup_dir; /* For RESTORE/BACKUP */ - char* to_log; /* For PURGE MASTER LOGS TO */ - char* x509_subject,*x509_issuer,*ssl_cipher; + LEX_CSTRING name; + const char *help_arg; + const char *backup_dir; /* For RESTORE/BACKUP */ + const char* to_log; /* For PURGE MASTER LOGS TO */ + const char* x509_subject,*x509_issuer,*ssl_cipher; String *wild; /* Wildcard in SHOW {something} LIKE 'wild'*/ sql_exchange *exchange; select_result *result; - LEX_STRING comment, ident; + LEX_CSTRING comment, ident; LEX_USER *grant_user; XID *xid; THD *thd; @@ -2615,7 +2617,7 @@ struct LEX: public Query_tables_list plugin_ref plugins_static_buffer[INITIAL_LEX_PLUGIN_LIST_SIZE]; /** SELECT of CREATE VIEW statement */ - LEX_STRING create_view_select; + LEX_CSTRING create_view_select; uint number_of_selects; // valid only for view @@ -2667,7 +2669,7 @@ public: List<Item_func_set_user_var> set_var_list; // in-query assignment list List<Item_param> param_list; List<LEX_STRING> view_list; // view list (list of field names in view) - List<LEX_STRING> with_column_list; // list of column names in with_list_element + List<LEX_CSTRING> with_column_list; // list of column names in with_list_element List<LEX_STRING> *column_list; // list of column names (in ANALYZE) List<LEX_STRING> *index_list; // list of index names (in ANALYZE) /* @@ -2695,7 +2697,7 @@ public: Key *last_key; LEX_MASTER_INFO mi; // used by CHANGE MASTER LEX_SERVER_OPTIONS server_options; - LEX_STRING relay_log_connection_name; + LEX_CSTRING relay_log_connection_name; USER_RESOURCES mqh; LEX_RESET_SLAVE reset_slave_info; ulonglong type; @@ -2789,7 +2791,7 @@ public: */ TABLE_LIST *create_last_non_select_table; /* Prepared statements SQL syntax:*/ - LEX_STRING prepared_stmt_name; /* Statement name (in all queries) */ + LEX_CSTRING prepared_stmt_name; /* Statement name (in all queries) */ /* PREPARE or EXECUTE IMMEDIATE source expression */ Item *prepared_stmt_code; /* Names of user variables holding parameters (in EXECUTE) */ @@ -2910,7 +2912,7 @@ public: SQL_I_List<ORDER> save_group_list; SQL_I_List<ORDER> save_order_list; - LEX_STRING *win_ref; + LEX_CSTRING *win_ref; Window_frame *win_frame; Window_frame_bound *frame_top_bound; Window_frame_bound *frame_bottom_bound; @@ -2943,7 +2945,7 @@ public: return NULL; } - virtual const LEX_STRING *cursor_name() const { return &null_lex_str; } + virtual const LEX_CSTRING *cursor_name() const { return &null_clex_str; } void start(THD *thd); @@ -3034,7 +3036,7 @@ public: context_stack.pop(); } - bool copy_db_to(char **p_db, size_t *p_db_length) const; + bool copy_db_to(const char **p_db, size_t *p_db_length) const; Name_resolution_context *current_context() { @@ -3079,7 +3081,8 @@ public: bool is_analyze, bool *printed_anything); void restore_set_statement_var(); - void init_last_field(Column_definition *field, const char *name, CHARSET_INFO *cs); + void init_last_field(Column_definition *field, const LEX_CSTRING *name, + const CHARSET_INFO *cs); bool set_bincmp(CHARSET_INFO *cs, bool bin); bool get_dynamic_sql_string(LEX_CSTRING *dst, String *buffer); @@ -3094,7 +3097,7 @@ public: } return false; } - sp_variable *sp_param_init(LEX_STRING name); + sp_variable *sp_param_init(LEX_CSTRING *name); bool sp_param_fill_definition(sp_variable *spvar); int case_stmt_action_expr(Item* expr); @@ -3104,12 +3107,12 @@ public: enum sub_select_type type, bool is_top_level); bool setup_select_in_parentheses(); - bool set_trigger_new_row(LEX_STRING *name, Item *val); + bool set_trigger_new_row(LEX_CSTRING *name, Item *val); bool set_system_variable(struct sys_var_with_base *tmp, enum enum_var_type var_type, Item *val); void set_stmt_init(); - sp_name *make_sp_name(THD *thd, LEX_STRING &name); - sp_name *make_sp_name(THD *thd, LEX_STRING &name1, LEX_STRING &name2); + sp_name *make_sp_name(THD *thd, LEX_CSTRING *name); + sp_name *make_sp_name(THD *thd, LEX_CSTRING *name1, LEX_CSTRING *name2); sp_head *make_sp_head(THD *thd, sp_name *name, enum stored_procedure_type type); sp_head *make_sp_head_no_recursive(THD *thd, sp_name *name, @@ -3130,13 +3133,14 @@ public: return make_sp_head_no_recursive(thd, name, type); } bool init_internal_variable(struct sys_var_with_base *variable, - LEX_STRING name); + const LEX_CSTRING *name); bool init_internal_variable(struct sys_var_with_base *variable, - LEX_STRING dbname, LEX_STRING name); + const LEX_CSTRING *dbname, + const LEX_CSTRING *name); bool init_default_internal_variable(struct sys_var_with_base *variable, - LEX_STRING name); + LEX_CSTRING name); bool set_variable(struct sys_var_with_base *variable, Item *item); - bool set_variable(const LEX_STRING &name1, const LEX_STRING &name2, + bool set_variable(const LEX_CSTRING *name1, const LEX_CSTRING *name2, Item *item); void sp_variable_declarations_init(THD *thd, int nvars); bool sp_variable_declarations_finalize(THD *thd, int nvars, @@ -3164,24 +3168,24 @@ public: bool sp_handler_declaration_init(THD *thd, int type); bool sp_handler_declaration_finalize(THD *thd, int type); - bool sp_declare_cursor(THD *thd, const LEX_STRING name, + bool sp_declare_cursor(THD *thd, const LEX_CSTRING *name, class sp_lex_cursor *cursor_stmt, sp_pcontext *param_ctx, bool add_cpush_instr); - bool sp_open_cursor(THD *thd, const LEX_STRING name, + bool sp_open_cursor(THD *thd, const LEX_CSTRING *name, List<sp_assignment_lex> *parameters); - Item_splocal *create_item_for_sp_var(LEX_STRING name, sp_variable *spvar, + Item_splocal *create_item_for_sp_var(LEX_CSTRING *name, sp_variable *spvar, const char *start_in_q, const char *end_in_q); - Item *create_item_ident_nosp(THD *thd, LEX_STRING name); - Item *create_item_ident_sp(THD *thd, LEX_STRING name, + Item *create_item_ident_nosp(THD *thd, LEX_CSTRING *name); + Item *create_item_ident_sp(THD *thd, LEX_CSTRING *name, uint start_in_q, uint length_in_q); - Item *create_item_ident_sp(THD *thd, LEX_STRING name, + Item *create_item_ident_sp(THD *thd, LEX_CSTRING *name, const char *start_in_q, const char *end_in_q); - Item *create_item_ident(THD *thd, LEX_STRING name, + Item *create_item_ident(THD *thd, LEX_CSTRING *name, const char *start_in_q, const char *end_in_q) { @@ -3204,8 +3208,8 @@ public: - Item_ref */ Item *create_item_ident_nospvar(THD *thd, - const LEX_STRING &a, - const LEX_STRING &b); + const LEX_CSTRING *a, + const LEX_CSTRING *b); /* Create an Item corresponding to a ROW field valiable: var.field @param THD - THD, for mem_root @@ -3217,8 +3221,8 @@ public: @length_in_q - length in the query (for binary log) */ Item_splocal *create_item_spvar_row_field(THD *thd, - const LEX_STRING &var, - const LEX_STRING &field, + const LEX_CSTRING *var, + const LEX_CSTRING *field, sp_variable *spvar, uint pos_in_q, uint length_in_q); @@ -3236,8 +3240,8 @@ public: @retval - NULL on error, or a pointer to a new Item. */ Item *create_item_ident(THD *thd, - const LEX_STRING &a, - const LEX_STRING &b, + const LEX_CSTRING *a, + const LEX_CSTRING *b, uint pos_in_q, uint length_in_q); /* @@ -3251,22 +3255,22 @@ public: @retval - NULL on error, or a pointer to a new Item. */ Item *create_item_ident(THD *thd, - const LEX_STRING &a, - const LEX_STRING &b, - const LEX_STRING &c); + const LEX_CSTRING *a, + const LEX_CSTRING *b, + const LEX_CSTRING *c); /* Create an item for "NEXT VALUE FOR sequence_name" */ Item *create_item_func_nextval(THD *thd, Table_ident *ident); - Item *create_item_func_nextval(THD *thd, const LEX_STRING &db, - const LEX_STRING &name); + Item *create_item_func_nextval(THD *thd, const LEX_CSTRING *db, + const LEX_CSTRING *name); /* Create an item for "PREVIOUS VALUE FOR sequence_name" */ Item *create_item_func_lastval(THD *thd, Table_ident *ident); - Item *create_item_func_lastval(THD *thd, const LEX_STRING &db, - const LEX_STRING &name); + Item *create_item_func_lastval(THD *thd, const LEX_CSTRING *db, + const LEX_CSTRING *name); /* Create an item for a name in LIMIT clause: LIMIT var @@ -3279,7 +3283,7 @@ public: (non in SP, unknown variable, wrong data type). */ Item *create_item_limit(THD *thd, - const LEX_STRING &var_name, + const LEX_CSTRING *var_name, uint pos_in_q, uint length_in_q); /* @@ -3295,8 +3299,8 @@ public: wrong data type). */ Item *create_item_limit(THD *thd, - const LEX_STRING &var_name, - const LEX_STRING &field_name, + const LEX_CSTRING *var_name, + const LEX_CSTRING *field_name, uint pos_in_q, uint length_in_q); /* @@ -3307,19 +3311,19 @@ public: @param field_name - the variable field name */ my_var *create_outvar(THD *thd, - const LEX_STRING &var_name, - const LEX_STRING &field_name); + const LEX_CSTRING *var_name, + const LEX_CSTRING *field_name); - bool is_trigger_new_or_old_reference(const LEX_STRING name); + bool is_trigger_new_or_old_reference(const LEX_CSTRING *name); - Item *create_and_link_Item_trigger_field(THD *thd, const char *name, - bool new_row); + Item *create_and_link_Item_trigger_field(THD *thd, const LEX_CSTRING *name, + bool new_row); - void sp_block_init(THD *thd, const LEX_STRING label); + void sp_block_init(THD *thd, const LEX_CSTRING *label); void sp_block_init(THD *thd) { // Unlabeled blocks get an empty label - sp_block_init(thd, empty_lex_str); + sp_block_init(thd, &empty_clex_str); } bool sp_block_finalize(THD *thd, const Lex_spblock_st spblock) { @@ -3331,8 +3335,8 @@ public: return sp_block_finalize(thd, Lex_spblock()); } bool sp_block_finalize(THD *thd, const Lex_spblock_st spblock, - const LEX_STRING end_label); - bool sp_block_finalize(THD *thd, const LEX_STRING end_label) + const LEX_CSTRING *end_label); + bool sp_block_finalize(THD *thd, const LEX_CSTRING *end_label) { return sp_block_finalize(thd, Lex_spblock(), end_label); } @@ -3360,51 +3364,51 @@ public: uint executable_section_ip, uint exception_count); bool sp_exit_statement(THD *thd, Item *when); - bool sp_exit_statement(THD *thd, const LEX_STRING label_name, Item *item); - bool sp_leave_statement(THD *thd, const LEX_STRING label_name); - bool sp_goto_statement(THD *thd, const LEX_STRING label_name); + bool sp_exit_statement(THD *thd, const LEX_CSTRING *label_name, Item *item); + bool sp_leave_statement(THD *thd, const LEX_CSTRING *label_name); + bool sp_goto_statement(THD *thd, const LEX_CSTRING *label_name); bool sp_continue_statement(THD *thd, Item *when); - bool sp_continue_statement(THD *thd, const LEX_STRING label_name, Item *when); - bool sp_iterate_statement(THD *thd, const LEX_STRING label_name); + bool sp_continue_statement(THD *thd, const LEX_CSTRING *label_name, Item *when); + bool sp_iterate_statement(THD *thd, const LEX_CSTRING *label_name); bool maybe_start_compound_statement(THD *thd); - bool sp_push_loop_label(THD *thd, LEX_STRING label_name); + bool sp_push_loop_label(THD *thd, const LEX_CSTRING *label_name); bool sp_push_loop_empty_label(THD *thd); - bool sp_pop_loop_label(THD *thd, const LEX_STRING label_name); + bool sp_pop_loop_label(THD *thd, const LEX_CSTRING *label_name); void sp_pop_loop_empty_label(THD *thd); bool sp_while_loop_expression(THD *thd, Item *expr); bool sp_while_loop_finalize(THD *thd); - bool sp_push_goto_label(THD *thd, LEX_STRING label_name); + bool sp_push_goto_label(THD *thd, const LEX_CSTRING *label_name); - Item_param *add_placeholder(THD *thd, char *name, + Item_param *add_placeholder(THD *thd, const LEX_CSTRING *name, uint pos_in_query, uint len_in_query); - Item_param *add_placeholder(THD *thd, char *name, + Item_param *add_placeholder(THD *thd, const LEX_CSTRING *name, const char *pos, const char *end) { return add_placeholder(thd, name, pos - substatement_query(thd), end - pos); } /* Integer range FOR LOOP methods */ - sp_variable *sp_add_for_loop_variable(THD *thd, const LEX_STRING name, + sp_variable *sp_add_for_loop_variable(THD *thd, const LEX_CSTRING *name, Item *value); sp_variable *sp_add_for_loop_upper_bound(THD *thd, Item *value) { - LEX_STRING name= { C_STRING_WITH_LEN("[upper_bound]") }; - return sp_add_for_loop_variable(thd, name, value); + LEX_CSTRING name= { C_STRING_WITH_LEN("[upper_bound]") }; + return sp_add_for_loop_variable(thd, &name, value); } bool sp_for_loop_intrange_declarations(THD *thd, Lex_for_loop_st *loop, - const LEX_STRING &index, + const LEX_CSTRING *index, const Lex_for_loop_bounds_st &bounds); bool sp_for_loop_intrange_condition_test(THD *thd, const Lex_for_loop_st &loop); bool sp_for_loop_intrange_finalize(THD *thd, const Lex_for_loop_st &loop); /* Cursor FOR LOOP methods */ bool sp_for_loop_cursor_declarations(THD *thd, Lex_for_loop_st *loop, - const LEX_STRING &index, + const LEX_CSTRING *index, const Lex_for_loop_bounds_st &bounds); sp_variable *sp_add_for_loop_cursor_variable(THD *thd, - const LEX_STRING name, + const LEX_CSTRING *name, const class sp_pcursor *cur, uint coffset, sp_assignment_lex *param_lex, @@ -3436,7 +3440,7 @@ public: Additional loop characteristics are copied from "bounds" to "loop". */ bool sp_for_loop_declarations(THD *thd, Lex_for_loop_st *loop, - const LEX_STRING &index, + const LEX_CSTRING *index, const Lex_for_loop_bounds_st &bounds) { return bounds.is_for_loop_cursor() ? @@ -3488,7 +3492,7 @@ public: return false; } // Add a key as a part of CREATE TABLE or ALTER TABLE - bool add_key(Key::Keytype key_type, const LEX_STRING &key_name, + bool add_key(Key::Keytype key_type, const LEX_CSTRING *key_name, ha_key_alg algorithm, DDL_options_st ddl) { if (check_add_key(ddl) || @@ -3498,7 +3502,7 @@ public: return false; } // Add a key for a CREATE INDEX statement - bool add_create_index(Key::Keytype key_type, const LEX_STRING &key_name, + bool add_create_index(Key::Keytype key_type, const LEX_CSTRING *key_name, ha_key_alg algorithm, DDL_options_st ddl) { if (check_create_options(ddl) || @@ -3524,10 +3528,10 @@ public: Add an UNIQUE or PRIMARY key which is a part of a column definition: CREATE TABLE t1 (a INT PRIMARY KEY); */ - void add_key_to_list(LEX_STRING *field_name, + void add_key_to_list(LEX_CSTRING *field_name, enum Key::Keytype type, bool check_exists); // Add a constraint as a part of CREATE TABLE or ALTER TABLE - bool add_constraint(LEX_STRING *name, Virtual_column_info *constr, + bool add_constraint(LEX_CSTRING *name, Virtual_column_info *constr, bool if_not_exists) { constr->name= *name; @@ -3563,7 +3567,7 @@ public: create_info.add(options); return check_create_options(create_info); } - bool sp_add_cfetch(THD *thd, const LEX_STRING &name); + bool sp_add_cfetch(THD *thd, const LEX_CSTRING *name); bool set_command_with_check(enum_sql_command command, uint scope, @@ -3867,18 +3871,18 @@ int init_lex_with_single_table(THD *thd, TABLE *table, LEX *lex); extern int MYSQLlex(union YYSTYPE *yylval, THD *thd); extern int ORAlex(union YYSTYPE *yylval, THD *thd); -extern void trim_whitespace(CHARSET_INFO *cs, LEX_STRING *str, +extern void trim_whitespace(CHARSET_INFO *cs, LEX_CSTRING *str, uint *prefix_removed); -extern bool is_lex_native_function(const LEX_STRING *name); -extern bool is_native_function(THD *thd, const LEX_STRING *name); -extern bool is_native_function_with_warn(THD *thd, const LEX_STRING *name); +extern bool is_lex_native_function(const LEX_CSTRING *name); +extern bool is_native_function(THD *thd, const LEX_CSTRING *name); +extern bool is_native_function_with_warn(THD *thd, const LEX_CSTRING *name); /** @} (End of group Semantic_Analysis) */ -void my_missing_function_error(const LEX_STRING &token, const char *name); +void my_missing_function_error(const LEX_CSTRING &token, const char *name); bool is_keyword(const char *name, uint len); Virtual_column_info *add_virtual_expression(THD *thd, Item *expr); |