MySQL  8.0.18
Source Code Documentation
Default_object_creation_ctx Class Reference


Default_object_creation_ctx – default implementation of Object_creation_ctx. More...

#include <table.h>

Inheritance diagram for Default_object_creation_ctx:
Object_creation_ctx Stored_program_creation_ctx View_creation_ctx Event_creation_ctx Stored_routine_creation_ctx Trigger_creation_ctx

Public Member Functions

const CHARSET_INFOget_client_cs ()
 
const CHARSET_INFOget_connection_cl ()
 
- Public Member Functions inherited from Object_creation_ctx
Object_creation_ctxset_n_backup (THD *thd)
 
void restore_env (THD *thd, Object_creation_ctx *backup_ctx)
 
virtual ~Object_creation_ctx ()
 

Protected Member Functions

 Default_object_creation_ctx (THD *thd)
 
 Default_object_creation_ctx (const CHARSET_INFO *client_cs, const CHARSET_INFO *connection_cl)
 
virtual Object_creation_ctxcreate_backup_ctx (THD *thd) const
 
virtual void delete_backup_ctx ()
 
virtual void change_env (THD *thd) const
 
- Protected Member Functions inherited from Object_creation_ctx
 Object_creation_ctx ()
 

Protected Attributes

const CHARSET_INFOm_client_cs
 client_cs stores the value of character_set_client session variable. More...
 
const CHARSET_INFOm_connection_cl
 connection_cl stores the value of collation_connection session variable. More...
 

Detailed Description


Default_object_creation_ctx – default implementation of Object_creation_ctx.

Constructor & Destructor Documentation

◆ Default_object_creation_ctx() [1/2]

Default_object_creation_ctx::Default_object_creation_ctx ( THD thd)
protected

◆ Default_object_creation_ctx() [2/2]

Default_object_creation_ctx::Default_object_creation_ctx ( const CHARSET_INFO client_cs,
const CHARSET_INFO connection_cl 
)
protected

Member Function Documentation

◆ change_env()

void Default_object_creation_ctx::change_env ( THD thd) const
protectedvirtual

Implements Object_creation_ctx.

Reimplemented in Stored_program_creation_ctx.

◆ create_backup_ctx()

Object_creation_ctx * Default_object_creation_ctx::create_backup_ctx ( THD thd) const
protectedvirtual

◆ delete_backup_ctx()

void Default_object_creation_ctx::delete_backup_ctx ( )
protectedvirtual

◆ get_client_cs()

const CHARSET_INFO* Default_object_creation_ctx::get_client_cs ( )
inline

◆ get_connection_cl()

const CHARSET_INFO* Default_object_creation_ctx::get_connection_cl ( )
inline

Member Data Documentation

◆ m_client_cs

const CHARSET_INFO* Default_object_creation_ctx::m_client_cs
protected

client_cs stores the value of character_set_client session variable.

The only character set attribute is used.

Client character set is included into query context, because we save query in the original character set, which is client character set. So, in order to parse the query properly we have to switch client character set on parsing.

◆ m_connection_cl

const CHARSET_INFO* Default_object_creation_ctx::m_connection_cl
protected

connection_cl stores the value of collation_connection session variable.

Both character set and collation attributes are used.

Connection collation is included into query context, becase it defines the character set and collation of text literals in internal representation of query (item-objects).


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