MySQL 8.0.39
Source Code Documentation
schema.h
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23
24#ifndef DD_UPGRADE__SCHEMA_H_INCLUDED
25#define DD_UPGRADE__SCHEMA_H_INCLUDED
26
27#include <vector>
28
29#include "sql/dd/string_type.h" // dd::String_type
30
31class THD;
32
33namespace dd {
34namespace upgrade_57 {
35
36/**
37 Create entry in mysql.schemata for all the folders found in data directory.
38 If db.opt file is not present in any folder, that folder will be treated as
39 a database and a warning is issued.
40
41 @param[in] thd Thread handle.
42 @param[in] dbname Schema name.
43
44 @retval false ON SUCCESS
45 @retval true ON FAILURE
46*/
47bool migrate_schema_to_dd(THD *thd, const char *dbname);
48
49/**
50 Find all the directories inside data directory. Every directory will be
51 treated as a schema. These directories are in filename-encoded form.
52
53 @param[out] db_name An std::vector containing all database name.
54
55 @retval false ON SUCCESS
56 @retval true ON FAILURE
57*/
58bool find_schema_from_datadir(std::vector<String_type> *db_name);
59
60} // namespace upgrade_57
61} // namespace dd
62
63#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_lexer_thd.h:34
bool find_schema_from_datadir(std::vector< String_type > *db_name)
Scans datadir for databases and lists all the database names.
Definition: schema.cc:198
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:135
The version of the current data dictionary table definitions.
Definition: dictionary_client.h:43
const char * db_name
Definition: rules_table_service.cc:55