MySQL  8.0.27
Source Code Documentation
sql_db.h
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22 
23 #ifndef SQL_DB_INCLUDED
24 #define SQL_DB_INCLUDED
25 
26 #include "lex_string.h"
27 
28 struct TABLE_SHARE;
29 class THD;
30 namespace dd {
31 class Schema;
32 }
33 
34 struct CHARSET_INFO;
35 struct HA_CREATE_INFO;
36 
37 bool mysql_create_db(THD *thd, const char *db, HA_CREATE_INFO *create);
38 bool mysql_alter_db(THD *thd, const char *db, HA_CREATE_INFO *create);
39 bool mysql_rm_db(THD *thd, const LEX_CSTRING &db, bool if_exists);
40 bool mysql_change_db(THD *thd, const LEX_CSTRING &new_db_name,
41  bool force_switch);
42 
43 bool mysql_opt_change_db(THD *thd, const LEX_CSTRING &new_db_name,
44  LEX_STRING *saved_db_name, bool force_switch,
45  bool *cur_db_changed);
46 bool get_default_db_collation(const dd::Schema &schema,
47  const CHARSET_INFO **collation);
48 bool get_default_db_collation(THD *thd, const char *db_name,
49  const CHARSET_INFO **collation);
50 bool check_schema_readonly(THD *thd, const char *schema_name,
51  TABLE_SHARE *share = nullptr);
52 #endif /* SQL_DB_INCLUDED */
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_class.h:821
Definition: schema.h:62
const char * collation
Definition: audit_api_message_emit.cc:183
The version of the current data dictionary table definitions.
Definition: dictionary_client.h:42
static mysql_service_status_t create(const char *service_names[], reference_caching_channel *out_channel) noexcept
Definition: component.cc:35
const char * db_name
Definition: rules_table_service.cc:54
bool check_schema_readonly(THD *thd, const char *schema_name, TABLE_SHARE *share=nullptr)
Check the read_only option for the given schema, and report error if the schema is not writable.
Definition: sql_db.cc:203
bool mysql_rm_db(THD *thd, const LEX_CSTRING &db, bool if_exists)
Drop all tables, routines and events in a database and the database itself.
Definition: sql_db.cc:704
bool mysql_change_db(THD *thd, const LEX_CSTRING &new_db_name, bool force_switch)
Change the current database and its attributes unconditionally.
Definition: sql_db.cc:1353
bool mysql_opt_change_db(THD *thd, const LEX_CSTRING &new_db_name, LEX_STRING *saved_db_name, bool force_switch, bool *cur_db_changed)
Change the current database and its attributes if needed.
Definition: sql_db.cc:1542
bool mysql_alter_db(THD *thd, const char *db, HA_CREATE_INFO *create)
Definition: sql_db.cc:509
bool mysql_create_db(THD *thd, const char *db, HA_CREATE_INFO *create)
Create a database.
Definition: sql_db.cc:324
bool get_default_db_collation(const dd::Schema &schema, const CHARSET_INFO **collation)
Definition: sql_db.cc:124
Definition: m_ctype.h:354
Definition: handler.h:2764
Definition: mysql_lex_string.h:39
Definition: mysql_lex_string.h:34
This structure is shared between different table objects.
Definition: table.h:688