mirror of
https://github.com/MariaDB/server.git
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197 lines
6.4 KiB
C++
197 lines
6.4 KiB
C++
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/* YACC and LEX Definitions */
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/* These may not be declared yet */
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class Table_ident;
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class sql_exchange;
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class LEX_COLUMN;
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/*
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The following hack is needed because mysql_yacc.cc does not define
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YYSTYPE before including this file
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*/
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#include "set_var.h"
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#ifdef MYSQL_YACC
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#define LEX_YYSTYPE void *
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#else
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#include "lex_symbol.h"
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#include "sql_yacc.h"
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#define LEX_YYSTYPE YYSTYPE *
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#endif
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enum enum_sql_command {
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SQLCOM_SELECT, SQLCOM_CREATE_TABLE, SQLCOM_CREATE_INDEX, SQLCOM_ALTER_TABLE,
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SQLCOM_UPDATE, SQLCOM_INSERT, SQLCOM_INSERT_SELECT,
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SQLCOM_DELETE, SQLCOM_TRUNCATE, SQLCOM_DROP_TABLE, SQLCOM_DROP_INDEX,
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SQLCOM_SHOW_DATABASES, SQLCOM_SHOW_TABLES, SQLCOM_SHOW_FIELDS,
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SQLCOM_SHOW_KEYS, SQLCOM_SHOW_VARIABLES, SQLCOM_SHOW_LOGS, SQLCOM_SHOW_STATUS,
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SQLCOM_SHOW_INNODB_STATUS,
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SQLCOM_SHOW_PROCESSLIST, SQLCOM_SHOW_MASTER_STAT, SQLCOM_SHOW_SLAVE_STAT,
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SQLCOM_SHOW_GRANTS, SQLCOM_SHOW_CREATE,
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SQLCOM_LOAD,SQLCOM_SET_OPTION,SQLCOM_LOCK_TABLES,SQLCOM_UNLOCK_TABLES,
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SQLCOM_GRANT, SQLCOM_CHANGE_DB, SQLCOM_CREATE_DB, SQLCOM_DROP_DB,
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SQLCOM_REPAIR, SQLCOM_REPLACE, SQLCOM_REPLACE_SELECT,
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SQLCOM_CREATE_FUNCTION, SQLCOM_DROP_FUNCTION,
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SQLCOM_REVOKE,SQLCOM_OPTIMIZE, SQLCOM_CHECK,
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SQLCOM_FLUSH, SQLCOM_KILL, SQLCOM_ANALYZE,
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SQLCOM_ROLLBACK, SQLCOM_ROLLBACK_TO_SAVEPOINT,
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SQLCOM_COMMIT, SQLCOM_SAVEPOINT,
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SQLCOM_SLAVE_START, SQLCOM_SLAVE_STOP,
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SQLCOM_BEGIN, SQLCOM_LOAD_MASTER_TABLE, SQLCOM_CHANGE_MASTER,
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SQLCOM_RENAME_TABLE, SQLCOM_BACKUP_TABLE, SQLCOM_RESTORE_TABLE,
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SQLCOM_RESET, SQLCOM_PURGE, SQLCOM_SHOW_BINLOGS,
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SQLCOM_SHOW_OPEN_TABLES, SQLCOM_LOAD_MASTER_DATA,
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SQLCOM_HA_OPEN, SQLCOM_HA_CLOSE, SQLCOM_HA_READ,
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SQLCOM_SHOW_SLAVE_HOSTS, SQLCOM_DELETE_MULTI, SQLCOM_MULTI_UPDATE,
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SQLCOM_SHOW_BINLOG_EVENTS, SQLCOM_SHOW_NEW_MASTER, SQLCOM_DO,
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SQLCOM_EMPTY_QUERY,
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SQLCOM_END
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};
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enum lex_states
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{
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STATE_START, STATE_CHAR, STATE_IDENT, STATE_IDENT_SEP, STATE_IDENT_START,
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STATE_FOUND_IDENT, STATE_SIGNED_NUMBER, STATE_REAL, STATE_HEX_NUMBER,
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STATE_CMP_OP, STATE_LONG_CMP_OP, STATE_STRING, STATE_COMMENT, STATE_END,
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STATE_OPERATOR_OR_IDENT, STATE_NUMBER_IDENT, STATE_INT_OR_REAL,
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STATE_REAL_OR_POINT, STATE_BOOL, STATE_EOL, STATE_ESCAPE, STATE_LONG_COMMENT,
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STATE_END_LONG_COMMENT, STATE_COLON, STATE_SET_VAR, STATE_USER_END,
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STATE_HOSTNAME, STATE_SKIP, STATE_USER_VARIABLE_DELIMITER, STATE_SYSTEM_VAR,
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STATE_IDENT_OR_KEYWORD
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};
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typedef List<Item> List_item;
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typedef struct st_lex_master_info
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{
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char *host, *user, *password, *log_file_name;
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uint port, connect_retry;
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ulonglong pos;
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ulong server_id;
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char *relay_log_name;
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ulong relay_log_pos;
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} LEX_MASTER_INFO;
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enum sub_select_type
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{
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UNSPECIFIED_TYPE, UNION_TYPE, INTERSECT_TYPE, EXCEPT_TYPE, OLAP_TYPE, NOT_A_SELECT
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};
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enum olap_type
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{
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UNSPECIFIED_OLAP_TYPE, CUBE_TYPE, ROLLUP_TYPE
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};
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/* The state of the lex parsing for selects */
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typedef struct st_select_lex
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{
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enum sub_select_type linkage;
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enum olap_type olap;
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char *db,*db1,*table1,*db2,*table2; /* For outer join using .. */
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Item *where,*having;
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ha_rows select_limit,offset_limit;
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ulong options, table_join_options;
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List<List_item> expr_list;
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List<List_item> when_list;
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SQL_LIST order_list,table_list,group_list;
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List<Item> item_list;
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List<String> interval_list,use_index, *use_index_ptr,
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ignore_index, *ignore_index_ptr;
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List<Item_func_match> ftfunc_list;
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uint in_sum_expr, sort_default;
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bool create_refs, braces;
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st_select_lex *next;
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} SELECT_LEX;
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/* The state of the lex parsing. This is saved in the THD struct */
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typedef struct st_lex
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{
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uint yylineno,yytoklen; /* Simulate lex */
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LEX_YYSTYPE yylval;
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SELECT_LEX select_lex, *select, *last_selects;
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uchar *ptr,*tok_start,*tok_end,*end_of_query;
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char *length,*dec,*change,*name;
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char *backup_dir; /* For RESTORE/BACKUP */
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char* to_log; /* For PURGE MASTER LOGS TO */
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char* x509_subject,*x509_issuer,*ssl_cipher;
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enum SSL_type ssl_type; /* defined in violite.h */
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String *wild;
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sql_exchange *exchange;
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List<key_part_spec> col_list;
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List<Alter_drop> drop_list;
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List<Alter_column> alter_list;
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List<String> interval_list;
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List<LEX_USER> users_list;
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List<LEX_COLUMN> columns;
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List<Key> key_list;
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List<create_field> create_list;
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List<Item> *insert_list,field_list,value_list;
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List<List_item> many_values;
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List<set_var_base> var_list;
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SQL_LIST proc_list, auxilliary_table_list, save_list;
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TYPELIB *interval;
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create_field *last_field;
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char* savepoint_name; // Transaction savepoint id
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Item *default_value;
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CONVERT *convert_set;
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CONVERT *thd_convert_set; // Set with SET CHAR SET
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LEX_USER *grant_user;
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gptr yacc_yyss,yacc_yyvs;
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THD *thd;
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udf_func udf;
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HA_CHECK_OPT check_opt; // check/repair options
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HA_CREATE_INFO create_info;
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LEX_MASTER_INFO mi; // used by CHANGE MASTER
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USER_RESOURCES mqh;
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ulong thread_id,type;
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enum_sql_command sql_command;
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enum lex_states next_state;
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enum enum_duplicates duplicates;
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enum enum_tx_isolation tx_isolation;
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enum enum_ha_read_modes ha_read_mode;
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enum ha_rkey_function ha_rkey_mode;
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enum enum_enable_or_disable alter_keys_onoff;
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enum enum_var_type option_type;
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uint grant,grant_tot_col,which_columns, union_option;
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thr_lock_type lock_option;
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bool drop_primary, drop_if_exists, drop_temporary, local_file, olap;
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bool in_comment,ignore_space,verbose,simple_alter;
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uint slave_thd_opt;
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} LEX;
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void lex_init(void);
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void lex_free(void);
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LEX *lex_start(THD *thd, uchar *buf,uint length);
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void lex_end(LEX *lex);
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extern pthread_key(LEX*,THR_LEX);
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extern LEX_STRING tmp_table_alias;
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#define current_lex (¤t_thd->lex)
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