MySQL  8.0.18
Source Code Documentation
PT_hint_sys_var Class Reference

#include <parse_tree_hints.h>

Inheritance diagram for PT_hint_sys_var:
PT_hint Parse_tree_node_tmpl< Context >

Public Member Functions

 PT_hint_sys_var (const LEX_CSTRING sys_var_name_arg, Item *sys_var_value_arg)
 
bool contextualize (Parse_context *pc) override
 Function initializes SET_VAR hint. 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...
 
virtual void append_args (const THD *thd, String *str) const
 Append additional hint arguments. More...
 
- Public Member Functions inherited from Parse_tree_node_tmpl< Context >
virtual ~Parse_tree_node_tmpl ()
 
bool is_contextualized () const
 
virtual bool contextualize (Context *pc)
 Do all context-sensitive things and mark the node as contextualized. More...
 
virtual bool contextualize_ (Context *)
 
Intermediate version of the contextualize() function 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 sys_var_name
 
Itemsys_var_value
 

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 ()
 

Member Typedef Documentation

◆ super

Constructor & Destructor Documentation

◆ PT_hint_sys_var()

PT_hint_sys_var::PT_hint_sys_var ( const LEX_CSTRING  sys_var_name_arg,
Item sys_var_value_arg 
)
inlineexplicit

Member Function Documentation

◆ contextualize()

bool PT_hint_sys_var::contextualize ( Parse_context pc)
override

Function initializes SET_VAR hint.

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

Member Data Documentation

◆ sys_var_name

const LEX_CSTRING PT_hint_sys_var::sys_var_name
private

◆ sys_var_value

Item* PT_hint_sys_var::sys_var_value
private

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