MySQL  8.0.17
Source Code Documentation
KEY_PAIR Struct Reference

Structure describing changes to an index to be caused by ALTER TABLE. More...

#include <handler.h>

Public Attributes

KEYold_key
 Pointer to KEY object describing old version of index in TABLE::key_info array for TABLE instance representing old version of table. More...
 
KEYnew_key
 Pointer to KEY object describing new version of index in Alter_inplace_info::key_info_buffer array. More...
 

Detailed Description

Structure describing changes to an index to be caused by ALTER TABLE.

Member Data Documentation

◆ new_key

KEY* KEY_PAIR::new_key

Pointer to KEY object describing new version of index in Alter_inplace_info::key_info_buffer array.

◆ old_key

KEY* KEY_PAIR::old_key

Pointer to KEY object describing old version of index in TABLE::key_info array for TABLE instance representing old version of table.


The documentation for this struct was generated from the following file: