TABLE_READ_PLAN Class Reference

Inheritance diagram for TABLE_READ_PLAN:

Public Member Functions
virtual QUICK_SELECT_I *	make_quick (PARAM *param, bool retrieve_full_rows, MEM_ROOT *parent_alloc=NULL)=0
virtual void	trace_basic_info (const PARAM *param, Opt_trace_object *trace_object) const =0

Static Public Member Functions
static void *	operator new (size_t size, MEM_ROOT *mem_root)
static void	operator delete (void *ptr, size_t size)
static void	operator delete (void *ptr, MEM_ROOT *mem_root)

Public Attributes
double	read_cost
ha_rows	records
bool	is_ror

Detailed Description

Definition at line 2101 of file opt_range.cc.

Member Function Documentation

virtual void TABLE_READ_PLAN::trace_basic_info ( const PARAM *  param, Opt_trace_object *  trace_object  ) const

pure virtual

Add basic info for this TABLE_READ_PLAN to the optimizer trace.

Parameters

param	Parameters for range analysis of this table
trace_object	The optimizer trace object the info is appended to

Implemented in TRP_GROUP_MIN_MAX, TRP_INDEX_MERGE, TRP_ROR_UNION, TRP_ROR_INTERSECT, and TRP_RANGE.

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

• sql/opt_range.cc