qep_row::extra Struct Reference

Part of traditional "extra" column or related hierarchical property. More...

#include <opt_explain_format.h>

Public Member Functions
	extra (Extra_tag tag_arg, const char *data_arg=nullptr)

Public Attributes
const Extra_tag	tag
	A property name or a constant text head of the "extra" column part. More...
const char *const	data
	Property value or a variable tail of the "extra" column part. More...

Detailed Description

Part of traditional "extra" column or related hierarchical property.

Constructor & Destructor Documentation

extra()

qep_row::extra::extra ( Extra_tag  tag_arg, const char *  data_arg = nullptr  )

inlineexplicit

Member Data Documentation

data

const char* const qep_row::extra::data

Property value or a variable tail of the "extra" column part.

If data == NULL, hierarchical formatter outputs a boolean property value of "true".

tag

const Extra_tag qep_row::extra::tag

A property name or a constant text head of the "extra" column part.

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

• sql/opt_explain_format.h