MySQL 8.0.46
Source Code Documentation
PT_hint_resource_group Class Reference

Parse tree hint object for RESOURCE_GROUP hint. More...

#include <parse_tree_hints.h>

Inheritance diagram for PT_hint_resource_group:
[legend]

Public Member Functions

 PT_hint_resource_group (const LEX_CSTRING &name)
 
bool contextualize (Parse_context *pc) override
 Function initializes resource group name and checks for presence of resource group. More...
 
void append_args (const THD *thd, String *str) const override
 Append hint arguments to given string. More...
 
- Public Member Functions inherited from PT_hint
 PT_hint (opt_hints_enum hint_type_arg, bool switch_state_arg)
 
opt_hints_enum type () const
 
bool switch_on () const
 
virtual void print_warn (THD *thd, uint err_code, const LEX_CSTRING *qb_name_arg, LEX_CSTRING *table_name_arg, LEX_CSTRING *key_name_arg, PT_hint *hint) const
 Print warning issuing in processing of the hint. More...
 
bool supports_view ()
 
- Public Member Functions inherited from Parse_tree_node_tmpl< Context >
virtual ~Parse_tree_node_tmpl ()=default
 
bool is_contextualized () const
 
virtual bool contextualize (Context *pc)
 Do all context-sensitive things and mark the node as contextualized. More...
 
void error (Context *pc, const POS &pos) const
 syntax_error() function replacement for deferred reporting of syntax errors More...
 
void error (Context *pc, const POS &pos, const char *msg) const
 syntax_error() function replacement for deferred reporting of syntax errors More...
 
void errorf (Context *pc, const POS &pos, const char *format,...) const
 syntax_error() function replacement for deferred reporting of syntax errors More...
 

Private Types

typedef PT_hint super
 

Private Attributes

const LEX_CSTRING m_resource_group_name
 

Additional Inherited Members

- Public Types inherited from Parse_tree_node_tmpl< Context >
typedef Context context_t
 
- Static Public Member Functions inherited from Parse_tree_node_tmpl< Context >
static void * operator new (size_t size, MEM_ROOT *mem_root, const std::nothrow_t &arg=std::nothrow) noexcept
 
static void operator delete (void *ptr, size_t size)
 
static void operator delete (void *, MEM_ROOT *, const std::nothrow_t &) noexcept
 
- Protected Member Functions inherited from Parse_tree_node_tmpl< Context >
 Parse_tree_node_tmpl ()
 

Detailed Description

Parse tree hint object for RESOURCE_GROUP hint.

Member Typedef Documentation

◆ super

Constructor & Destructor Documentation

◆ PT_hint_resource_group()

PT_hint_resource_group::PT_hint_resource_group ( const LEX_CSTRING &  name)
inline

Member Function Documentation

◆ append_args()

void PT_hint_resource_group::append_args ( const THD *  thd,
String *  str 
) const
inlineoverridevirtual

Append hint arguments to given string.

Parameters
thdPointer to THD object.
strPointer to String object.

Reimplemented from PT_hint.

◆ contextualize()

bool PT_hint_resource_group::contextualize ( Parse_context *  pc)
override

Function initializes resource group name and checks for presence of resource group.

Also it checks for invocation of hint from stored routines or sub query.

Parameters
pcPointer to Parse_context object
Returns
true in case of error, false otherwise

Member Data Documentation

◆ m_resource_group_name

const LEX_CSTRING PT_hint_resource_group::m_resource_group_name
private

The documentation for this class was generated from the following files: