MySQL 8.0.39
Source Code Documentation
dd_tablespace.h
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23
24#ifndef DD_TABLESPACE_INCLUDED
25#define DD_TABLESPACE_INCLUDED
26
27#include "sql/lock.h" // Tablespace_hash_set
28#include "sql/thr_malloc.h"
29
30struct MEM_ROOT;
31class THD;
33struct handlerton;
34
35namespace dd {
36
37/**
38 Fill Tablespace_hash_set with tablespace names used by the
39 given db_name.table_name.
40
41 @param thd - Thread invoking the function.
42 @param db_name - Database name.
43 @param table_name - Table name.
44 @param tablespace_set - (OUT) hash set where tablespace names
45 are filled.
46
47 @return true - On failure.
48 @return false - On success.
49*/
51 const char *table_name,
52 Tablespace_hash_set *tablespace_set);
53
54/**
55 Read tablespace name of a tablespace_id.
56
57 @param thd - Thread invoking this call.
58 @param obj - Table/Partition object whose
59 tablespace name is being read.
60 @param tablespace_name (OUT) - Tablespace name of table.
61 @param mem_root - Memroot where tablespace name
62 should be stored.
63
64 @return true - On failure.
65 @return false - On success.
66*/
67template <typename T>
68bool get_tablespace_name(THD *thd, const T *obj, const char **tablespace_name,
70
71} // namespace dd
72#endif // DD_TABLESPACE_INCLUDED
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_lexer_thd.h:34
std::unordered_set, but with my_malloc, so that you can track the memory used using PSI memory keys.
Definition: map_helpers.h:168
Legacy struct for passing tablespace information to SEs.
Definition: handler.h:861
static MEM_ROOT mem_root
Definition: client_plugin.cc:110
The version of the current data dictionary table definitions.
Definition: dictionary_client.h:43
bool get_tablespace_name(THD *thd, const T *obj, String_type *name)
Read tablespace name of a tablespace_id from Table or similar object.
Definition: dd_tablespace.cc:153
bool fill_table_and_parts_tablespace_names(THD *thd, const char *db_name, const char *table_name, Tablespace_hash_set *tablespace_set)
Fill Tablespace_hash_set with tablespace names used by the given db_name.table_name.
Definition: dd_tablespace.cc:78
const char * table_name
Definition: rules_table_service.cc:56
const char * db_name
Definition: rules_table_service.cc:55
The MEM_ROOT is a simple arena, where allocations are carved out of larger blocks.
Definition: my_alloc.h:83
handlerton is a singleton structure - one instance per storage engine - to provide access to storage ...
Definition: handler.h:2622