165 lines
5.9 KiB
C++
165 lines
5.9 KiB
C++
/* Copyright (c) 2006, 2015, Oracle and/or its affiliates. All rights reserved.
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef SQL_PARSE_INCLUDED
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#define SQL_PARSE_INCLUDED
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#include "my_global.h"
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#include "handler.h" // enum_schema_tables
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#include "mysqld_thd_manager.h" // Find_THD_Impl
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#include "sql_class.h" // THD
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class Comp_creator;
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class Item;
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class Object_creation_ctx;
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class Parser_state;
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class Table_ident;
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struct LEX;
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struct Parse_context;
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struct TABLE_LIST;
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class THD;
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union COM_DATA;
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typedef struct st_lex_user LEX_USER;
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typedef struct st_order ORDER;
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typedef class st_select_lex SELECT_LEX;
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extern "C" int test_if_data_home_dir(const char *dir);
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bool stmt_causes_implicit_commit(const THD *thd, uint mask);
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#ifndef DBUG_OFF
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extern void turn_parser_debug_on();
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#endif
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bool parse_sql(THD *thd,
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Parser_state *parser_state,
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Object_creation_ctx *creation_ctx);
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void free_items(Item *item);
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void cleanup_items(Item *item);
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Comp_creator *comp_eq_creator(bool invert);
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Comp_creator *comp_equal_creator(bool invert);
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Comp_creator *comp_ge_creator(bool invert);
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Comp_creator *comp_gt_creator(bool invert);
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Comp_creator *comp_le_creator(bool invert);
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Comp_creator *comp_lt_creator(bool invert);
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Comp_creator *comp_ne_creator(bool invert);
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int prepare_schema_table(THD *thd, LEX *lex, Table_ident *table_ident,
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enum enum_schema_tables schema_table_idx);
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void get_default_definer(THD *thd, LEX_USER *definer);
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LEX_USER *create_default_definer(THD *thd);
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LEX_USER *get_current_user(THD *thd, LEX_USER *user);
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bool check_string_char_length(const LEX_CSTRING &str, const char *err_msg,
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size_t max_char_length, const CHARSET_INFO *cs,
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bool no_error);
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const CHARSET_INFO* merge_charset_and_collation(const CHARSET_INFO *cs,
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const CHARSET_INFO *cl);
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bool check_host_name(const LEX_CSTRING &str);
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bool mysql_test_parse_for_slave(THD *thd);
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bool is_update_query(enum enum_sql_command command);
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bool is_explainable_query(enum enum_sql_command command);
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bool is_log_table_write_query(enum enum_sql_command command);
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bool alloc_query(THD *thd, const char *packet, size_t packet_length);
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void mysql_parse(THD *thd, Parser_state *parser_state);
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void mysql_reset_thd_for_next_command(THD *thd);
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void create_select_for_variable(Parse_context *pc, const char *var_name);
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void create_table_set_open_action_and_adjust_tables(LEX *lex);
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void mysql_init_multi_delete(LEX *lex);
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void create_table_set_open_action_and_adjust_tables(LEX *lex);
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int mysql_execute_command(THD *thd, bool first_level = false);
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bool do_command(THD *thd);
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bool dispatch_command(THD *thd, const COM_DATA *com_data,
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enum enum_server_command command);
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bool append_file_to_dir(THD *thd, const char **filename_ptr,
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const char *table_name);
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bool append_file_to_dir(THD *thd, const char **filename_ptr,
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const char *table_name);
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void execute_init_command(THD *thd, LEX_STRING *init_command,
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mysql_rwlock_t *var_lock);
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bool add_field_to_list(THD *thd, LEX_STRING *field_name, enum enum_field_types type,
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char *length, char *decimal,
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uint type_modifier,
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Item *default_value, Item *on_update_value,
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LEX_STRING *comment,
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char *change, List<String> *interval_list,
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const CHARSET_INFO *cs,
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uint uint_geom_type,
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Generated_column *gcol_info);
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void add_to_list(SQL_I_List<ORDER> &list, ORDER *order);
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void add_join_on(TABLE_LIST *b,Item *expr);
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void add_join_natural(TABLE_LIST *a,TABLE_LIST *b,List<String> *using_fields,
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SELECT_LEX *lex);
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bool push_new_name_resolution_context(Parse_context *pc,
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TABLE_LIST *left_op,
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TABLE_LIST *right_op);
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void store_position_for_column(const char *name);
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void init_update_queries(void);
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Item *negate_expression(Parse_context *pc, Item *expr);
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bool check_stack_overrun(THD *thd, long margin, uchar *dummy);
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void killall_non_super_threads(THD *thd);
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bool shutdown(THD *thd, enum mysql_enum_shutdown_level level, enum enum_server_command command);
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/* Variables */
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extern uint sql_command_flags[];
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extern const LEX_STRING command_name[];
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// Statement timeout function(s)
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void reset_statement_timer(THD *thd);
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inline bool is_supported_parser_charset(const CHARSET_INFO *cs)
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{
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return (cs->mbminlen == 1);
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}
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bool sqlcom_can_generate_row_events(enum enum_sql_command command);
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/**
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Callback function used by kill_one_thread and timer_notify functions
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to find "thd" based on the thread id.
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@note It acquires LOCK_thd_data mutex when it finds matching thd.
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It is the responsibility of the caller to release this mutex.
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*/
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class Find_thd_with_id: public Find_THD_Impl
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{
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public:
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Find_thd_with_id(ulong value): m_id(value) {}
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virtual bool operator()(THD *thd)
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{
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if (thd->get_command() == COM_DAEMON)
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return false;
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if (thd->thread_id() == m_id)
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{
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mysql_mutex_lock(&thd->LOCK_thd_data);
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return true;
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}
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return false;
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}
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private:
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ulong m_id;
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};
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#ifdef HAVE_REPLICATION
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bool all_tables_not_ok(THD *thd, TABLE_LIST *tables);
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#endif /*HAVE_REPLICATION*/
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bool some_non_temp_table_to_be_updated(THD *thd, TABLE_LIST *tables);
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#endif /* SQL_PARSE_INCLUDED */
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