cache_const_expr_arg Struct Reference

Descriptor of what and how to cache for Item::cache_const_expr_transformer/analyzer. More...

#include <item.h>

Public Attributes
List< Item >	stack
	Path from the expression's top to the current item in item tree used to track parent of current item for caching JSON data. More...
Item *	cache_item {nullptr}
	Item to cache. Used as a binary flag, but kept as Item* for assertion. More...
Item::enum_const_item_cache	cache_arg {Item::CACHE_NONE}
	How to cache JSON data. More...

Detailed Description

Descriptor of what and how to cache for Item::cache_const_expr_transformer/analyzer.

Member Data Documentation

cache_arg

Item::enum_const_item_cache cache_const_expr_arg::cache_arg {Item::CACHE_NONE}

How to cache JSON data.

See also

Item::enum_const_item_cache

cache_item

Item* cache_const_expr_arg::cache_item {nullptr}

Item to cache. Used as a binary flag, but kept as Item* for assertion.

stack

List<Item> cache_const_expr_arg::stack

Path from the expression's top to the current item in item tree used to track parent of current item for caching JSON data.

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

• sql/item.h