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These are actually two changesets. One for splitting LEX in two and

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the other for multi-table delete
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Sinisa@sinisa.nasamreza.org
2001-06-03 17:07:26 +03:00
parent 73e6a69052
commit 338b51b5a7
14 changed files with 969 additions and 244 deletions
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50
sql/sql_lex.h
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@ -54,7 +54,8 @@ enum enum_sql_command {
SQLCOM_RENAME_TABLE, SQLCOM_BACKUP_TABLE, SQLCOM_RESTORE_TABLE,
SQLCOM_RESET, SQLCOM_PURGE, SQLCOM_SHOW_BINLOGS,
SQLCOM_SHOW_OPEN_TABLES, SQLCOM_LOAD_MASTER_DATA,
SQLCOM_HA_OPEN, SQLCOM_HA_CLOSE, SQLCOM_HA_READ
SQLCOM_HA_OPEN, SQLCOM_HA_CLOSE, SQLCOM_HA_READ,
SQLCOM_MULTI_DELETE
};
enum lex_states { STATE_START, STATE_CHAR, STATE_IDENT,
@ -94,39 +95,57 @@ typedef struct st_lex_master_info
ulonglong pos;
} LEX_MASTER_INFO;
enum sub_select_type {UNSPECIFIED_TYPE,UNION_TYPE, INTERSECT_TYPE, EXCEPT_TYPE};
/* The state of the lex parsing for selects */
typedef struct st_select_lex {
enum sub_select_type linkage;
uint select_number; /* For Item_select */
char *db,*db1,*table1,*db2,*table2; /* For outer join using .. */
Item *where,*having;
ha_rows select_limit,offset_limit;
ulong options;
List<List_item> expr_list;
List<List_item> when_list;
SQL_LIST order_list,table_list,group_list;
List<Item> item_list;
List<String> interval_list,use_index, *use_index_ptr, ignore_index, *ignore_index_ptr;
List<Item_func_match> ftfunc_list;
uint in_sum_expr, sort_default;
bool create_refs;
st_select_lex *next;
} SELECT_LEX;
/* The state of the lex parsing. This is saved in the THD struct */
typedef struct st_lex {
uint yylineno,yytoklen; /* Simulate lex */
LEX_YYSTYPE yylval;
SELECT_LEX select_lex, *select;
uchar *ptr,*tok_start,*tok_end,*end_of_query;
char *length,*dec,*change,*name;
char *db,*db1,*table1,*db2,*table2; /* For outer join using .. */
char *backup_dir; /* For RESTORE/BACKUP */
char* to_log; /* For PURGE MASTER LOGS TO */
String *wild;
sql_exchange *exchange;
ha_rows select_limit,offset_limit;
List<List_item> expr_list;
List<List_item> when_list;
List<List_item> many_values;
List<key_part_spec> col_list;
List<Alter_drop> drop_list;
List<Alter_column> alter_list;
List<String> interval_list,use_index,*use_index_ptr,
ignore_index, *ignore_index_ptr;
List<String> interval_list;
List<st_lex_user> users_list;
List<LEX_COLUMN> columns;
List<Key> key_list;
List<create_field> create_list;
List<Item> item_list,*insert_list,field_list,value_list;
List<Item_func_match> ftfunc_list;
SQL_LIST order_list,table_list,group_list,proc_list;
List<Item> *insert_list,field_list,value_list;
List<List_item> many_values;
SQL_LIST proc_list, auxilliary_table_list;
TYPELIB *interval;
create_field *last_field;
Item *where,*having,*default_value;
Item *default_value;
CONVERT *convert_set;
LEX_USER *grant_user;
gptr yacc_yyss,yacc_yyvs;
@ -136,7 +155,6 @@ typedef struct st_lex {
HA_CREATE_INFO create_info;
LEX_MASTER_INFO mi; // used by CHANGE MASTER
ulong thread_id,type;
ulong options;
ulong gemini_spin_retries;
enum_sql_command sql_command;
enum lex_states next_state;
@ -145,9 +163,9 @@ typedef struct st_lex {
enum enum_ha_read_modes ha_read_mode;
enum ha_rkey_function ha_rkey_mode;
enum enum_enable_or_disable alter_keys_onoff;
uint in_sum_expr,grant,grant_tot_col,which_columns, sort_default;
uint grant,grant_tot_col,which_columns;
thr_lock_type lock_option;
bool create_refs,drop_primary,drop_if_exists,local_file;
bool drop_primary,drop_if_exists,local_file;
bool in_comment,ignore_space,verbose,simple_alter;
} LEX;