MySQL 8.0.30
Source Code Documentation
schema.h
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22
23#ifndef DD_UPGRADE__SCHEMA_H_INCLUDED
24#define DD_UPGRADE__SCHEMA_H_INCLUDED
25
26#include <vector>
27
28#include "sql/dd/string_type.h" // dd::String_type
29
30class THD;
31
32namespace dd {
33namespace upgrade_57 {
34
35/**
36 Create entry in mysql.schemata for all the folders found in data directory.
37 If db.opt file is not present in any folder, that folder will be treated as
38 a database and a warning is issued.
39
40 @param[in] thd Thread handle.
41 @param[in] dbname Schema name.
42
43 @retval false ON SUCCESS
44 @retval true ON FAILURE
45*/
46bool migrate_schema_to_dd(THD *thd, const char *dbname);
47
48/**
49 Find all the directories inside data directory. Every directory will be
50 treated as a schema. These directories are in filename-encoded form.
51
52 @param[out] db_name An std::vector containing all database name.
53
54 @retval false ON SUCCESS
55 @retval true ON FAILURE
56*/
57bool find_schema_from_datadir(std::vector<String_type> *db_name);
58
59} // namespace upgrade_57
60} // namespace dd
61
62#endif // DD_UPGRADE__SCHEMA_H_INCLUDED
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_class.h:922
bool find_schema_from_datadir(std::vector< String_type > *db_name)
Scans datadir for databases and lists all the database names.
Definition: schema.cc:192
bool migrate_schema_to_dd(THD *thd, const char *dbname)
Update the Schemata:DD for every database present in the data directory.
Definition: schema.cc:134
The version of the current data dictionary table definitions.
Definition: dictionary_client.h:42
const char * db_name
Definition: rules_table_service.cc:54