Parse_context Struct Reference

Environment data for the contextualization phase. More...

#include <parse_tree_node_base.h>

Inheritance diagram for Parse_context:

Public Member Functions
bool	finalize_query_expression ()
	Call upon parse completion. More...
	Parse_context (THD *thd, Query_block *sl)
bool	is_top_level_union_all (Surrounding_context op)
	Determine if there is anything but UNION ALL above in m_stack. More...

Public Attributes
THD *const	thd
	Current thread handler. More...
MEM_ROOT *	mem_root
	Current MEM_ROOT. More...
Query_block *	select
	Current Query_block object. More...
mem_root_deque< QueryLevel >	m_stack
	Aids query term tree construction. More...

Detailed Description

Environment data for the contextualization phase.

Constructor & Destructor Documentation

Parse_context()

Parse_context::Parse_context	(	THD *	thd,
		Query_block *	sl
	)

Member Function Documentation

finalize_query_expression()

bool Parse_context::finalize_query_expression

(

)

Call upon parse completion.

Set the parsed query expression's query term.

Returns

true on error, else false

For its construction, see parse_tree_nodes.cc's contextualize methods. Query_term is documented in query_term.h .

is_top_level_union_all()

bool Parse_context::is_top_level_union_all

(

Surrounding_context

op

)

Determine if there is anything but UNION ALL above in m_stack.

Member Data Documentation

m_stack

mem_root_deque<QueryLevel> Parse_context::m_stack

Aids query term tree construction.

mem_root

MEM_ROOT* Parse_context::mem_root

Current MEM_ROOT.

select

Query_block* Parse_context::select

Current Query_block object.

thd

THD* const Parse_context::thd

Current thread handler.

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

• sql/parse_tree_node_base.h
• sql/parse_tree_node_base.cc