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MySQL 8.0.39
Source Code Documentation
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MySQL 8.0.39
Source Code Documentation
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System variable info cache. More...
#include <pfs_variable.h>
Public Member Functions | |
| PFS_system_variable_info_cache (bool external_init) | |
| ~PFS_system_variable_info_cache () override=default | |
 Public Member Functions inherited from PFS_system_variable_cache | |
| PFS_system_variable_cache (bool external_init) | |
| bool | match_scope (int scope) |
| Match system variable scope to desired scope. More... | |
| ulonglong | get_sysvar_hash_version () |
| ~PFS_system_variable_cache () override | |
| Public Member Functions inherited from PFS_variable_cache< System_variable > | |
| PFS_variable_cache (bool external_init) | |
| virtual | ~PFS_variable_cache ()=0 |
| Destructor. More... | |
| bool | initialize_session () |
| Build array of SHOW_VARs from the external variable source. More... | |
| bool | initialize_client_session () |
| Build array of SHOW_VARs suitable for aggregation by user, host or account. More... | |
| int | materialize_global () |
| Build cache of GLOBAL system or status variables. More... | |
| int | materialize_all (THD *thd) |
| Build cache of GLOBAL and SESSION variables for a non-instrumented thread. More... | |
| int | materialize_session (THD *thd) |
| Build cache of SESSION variables for a non-instrumented thread. More... | |
| int | materialize_session (PFS_thread *pfs_thread, bool use_mem_root=false) |
| Build cache of SESSION variables for an instrumented thread. More... | |
| int | materialize_session (PFS_thread *pfs_thread, uint index) |
| Cache a single SESSION variable for an instrumented thread. More... | |
| int | materialize_user (PFS_user *pfs_user) |
| Build cache of SESSION status variables for a user. More... | |
| int | materialize_host (PFS_host *pfs_host) |
| Build cache of SESSION status variables for a host. More... | |
| int | materialize_account (PFS_account *pfs_account) |
| Build cache of SESSION status variables for an account. More... | |
| bool | is_materialized () |
| True if variables have been materialized. More... | |
| bool | is_materialized (THD *unsafe_thd) |
| True if variables have been materialized for given THD. More... | |
| bool | is_materialized (PFS_thread *pfs_thread) |
| True if variables have been materialized for given PFS_thread. More... | |
| bool | is_materialized (PFS_user *pfs_user) |
| True if variables have been materialized for given PFS_user. More... | |
| bool | is_materialized (PFS_host *pfs_host) |
| True if variables have been materialized for given PFS_host. More... | |
| bool | is_materialized (PFS_account *pfs_account) |
| True if variables have been materialized for given PFS_account. More... | |
| bool | is_materialized (PFS_client *pfs_client) |
| True if variables have been materialized for given PFS_user/host/account. More... | |
| THD_ptr | get_THD (THD *thd) |
| Get a validated THD from the thread manager. More... | |
| THD_ptr | get_THD (PFS_thread *pfs_thread) |
| const System_variable * | get (uint index=0) const |
| Get a single variable from the cache. More... | |
| uint | size () |
| Number of elements in the cache. More... | |
Private Member Functions | |
| int | do_materialize_all (THD *thd) override |
| CLASS PFS_system_variable_info_cache. More... | |
Additional Inherited Members | |
| Public Types inherited from PFS_variable_cache< System_variable > | |
| typedef Prealloced_array< System_variable, SYSTEM_VARIABLE_PREALLOC > | Variable_array |
| Protected Member Functions inherited from PFS_system_variable_cache | |
| bool | init_show_var_array (enum_var_type scope, bool strict) |
| Build a sorted list of all system variables from the system variable hash. More... | |
| Protected Attributes inherited from PFS_variable_cache< System_variable > | |
| THD * | m_safe_thd |
| THD * | m_unsafe_thd |
| THD * | m_current_thd |
| PFS_thread * | m_pfs_thread |
| PFS_client * | m_pfs_client |
| Find_THD_variable | m_thd_finder |
| Variable_array | m_cache |
| bool | m_initialized |
| bool | m_external_init |
| bool | m_materialized |
| Show_var_array | m_show_var_array |
| System_variable_tracker::Array | m_sys_var_tracker_array |
| ulonglong | m_version |
| enum_var_type | m_query_scope |
| bool | m_use_mem_root |
| bool | m_aggregate |
System variable info cache.
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inlineexplicit |
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overridedefault |
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overrideprivatevirtual |
CLASS PFS_system_variable_info_cache.
Build GLOBAL and SESSION system variable cache.
Reimplemented from PFS_system_variable_cache.
1.9.2