resource_group_sql_cmd.cc File Reference

#include "sql/resourcegroups/resource_group_sql_cmd.h"
#include <stdint.h>
#include <string.h>
#include <memory>
#include <new>
#include <string>
#include <utility>
#include <vector>
#include "my_compiler.h"
#include "my_dbug.h"
#include "my_psi_config.h"
#include "my_sys.h"
#include "mysql/components/services/bits/psi_thread_bits.h"
#include "mysql/components/services/log_shared.h"
#include "mysql/psi/mysql_mutex.h"
#include "mysql/strings/m_ctype.h"
#include "mysql_com.h"
#include "mysqld_error.h"
#include "pfs_thread_provider.h"
#include "sql/auth/auth_acls.h"
#include "sql/auth/auth_common.h"
#include "sql/auth/sql_security_ctx.h"
#include "sql/current_thd.h"
#include "sql/dd/cache/dictionary_client.h"
#include "sql/dd/dd_resource_group.h"
#include "sql/dd/string_type.h"
#include "sql/derror.h"
#include "sql/lock.h"
#include "sql/mdl.h"
#include "sql/mysqld_thd_manager.h"
#include "sql/parse_tree_helpers.h"
#include "sql/resourcegroups/resource_group.h"
#include "sql/resourcegroups/resource_group_mgr.h"
#include "sql/resourcegroups/thread_resource_control.h"
#include "sql/sql_backup_lock.h"
#include "sql/sql_class.h"
#include "sql/sql_error.h"
#include "sql/sql_lex.h"
#include "sql/system_variables.h"
#include "sql/thd_raii.h"
#include "string_with_len.h"

Classes
class	anonymous_namespace{resource_group_sql_cmd.cc}::Move_thread_to_default_group
	This class represents a functional call to move a thread specified by pfs_thread_id to a resource group specified in class' constructor. More...

Namespaces
namespace	dd
	The version of the current data dictionary table definitions.
namespace	anonymous_namespace{resource_group_sql_cmd.cc}

Functions
static bool	anonymous_namespace{resource_group_sql_cmd.cc}::acquire_exclusive_mdl_for_resource_group (THD *thd, const char *res_grp_name)
	Acquire an exclusive MDL lock on resource group name. More...
bool	anonymous_namespace{resource_group_sql_cmd.cc}::validate_vcpu_range_vector (std::vector< resourcegroups::Range > *vcpu_range_vector, const Mem_root_array< resourcegroups::Range > *cpu_list, uint32_t num_vcpus)
	Validate CPU id ranges provided by a user in the statements CREATE RESOURCE GROUP, ALTER RESOURCE GROUP. More...
bool	anonymous_namespace{resource_group_sql_cmd.cc}::is_default_resource_group (const char *res_grp_name)
	Check if given resource group name is a default resource group. More...
static resourcegroups::Resource_group *	check_and_load_resource_group (THD *thd, const LEX_CSTRING &resource_group_name)
	Check if a resource group specified by a name is present in memory. More...
static bool	check_and_apply_resource_grp (THD *thd, ulonglong thread_id, resourcegroups::Resource_group *resource_group, bool error)
	Check if resource group controls can be applied to thread identified by PFS thread id. More...
static bool	check_resource_group_set_privilege (Security_context *sctx)
	Check if user has sufficient privilege to exercise SET RESOURCE GROUP. More...

Function Documentation

check_and_apply_resource_grp()

static bool check_and_apply_resource_grp ( THD *  thd, ulonglong  thread_id, resourcegroups::Resource_group *  resource_group, bool  error  )

inlinestatic

Check if resource group controls can be applied to thread identified by PFS thread id.

Apply the controls to thread if the checks were successful.

Parameters

thd	THD context
thread_id	Thread id of the thread.
resource_group	Pointer to resource group.
error	Log error so that error is returned to client.

Returns

true if the function fails else false.

check_and_load_resource_group()

static resourcegroups::Resource_group * check_and_load_resource_group ( THD *  thd, const LEX_CSTRING &  resource_group_name  )

inlinestatic

Check if a resource group specified by a name is present in memory.

Load a resource group from the Data Dictionary if it missed in memory.

Parameters

thd	THD context.
resource_group_name	Resource group name.

Returns

nullptr in case of error, else return a pointer to an instance of class resourcegroups::Resource_group.

Note

in case nullptr is returned an error is set in Diagnostics_area.

check_resource_group_set_privilege()

static bool check_resource_group_set_privilege ( Security_context *  sctx )

static

Check if user has sufficient privilege to exercise SET RESOURCE GROUP.

Parameters

sctx	Pointer to security context.

Returns

true if sufficient privilege exists for SET RESOURCE GROUP else false.