READ_RECORD Struct Reference

#include <records.h>

Collaboration diagram for READ_RECORD:

Public Types
typedef int(*	Read_func )(READ_RECORD *)
typedef void(*	Unlock_row_func )(st_join_table *)
typedef int(*	Setup_func )(JOIN_TAB *)

Public Attributes
TABLE *	table
TABLE **	forms
Unlock_row_func	unlock_row
Read_func	read_record
THD *	thd
SQL_SELECT *	select
uint	cache_records
uint	ref_length
uint	struct_length
uint	reclength
uint	rec_cache_size
uint	error_offset
uint	index
uchar *	ref_pos
uchar *	record
uchar *	rec_buf
uchar *	cache
uchar *	cache_pos
uchar *	cache_end
uchar *	read_positions
struct st_io_cache *	io_cache
bool	print_error
bool	ignore_not_found_rows

Detailed Description

A context for reading through a single table using a chosen access method: index read, scan, etc, use of cache, etc.

Use by:

READ_RECORD read_record;
if (init_read_record(&read_record, ...))
  return TRUE;
while (read_record.read_record())
{
  ...
}
end_read_record();

Definition at line 43 of file records.h.

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

• sql/records.h