rem0types.h File Reference

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Macros
#define	REC_MAX_N_FIELDS   (1024 - 1)
#define	REC_MAX_HEAP_NO   (2 * 8192 - 1)
#define	REC_MAX_N_OWNED   (16 - 1)
#define	REC_MAX_N_USER_FIELDS   (REC_MAX_N_FIELDS - DATA_N_SYS_COLS * 2)
#define	REC_ANTELOPE_MAX_INDEX_COL_LEN   768
#define	REC_VERSION_56_MAX_INDEX_COL_LEN   3072

Typedefs
typedef byte	rec_t
typedef enum rec_format_enum	rec_format_t

Enumerations
enum	rec_format_enum { REC_FORMAT_REDUNDANT = 0, REC_FORMAT_COMPACT = 1, REC_FORMAT_COMPRESSED = 2, REC_FORMAT_DYNAMIC = 3 }

Detailed Description

Record manager global types

Created 5/30/1994 Heikki Tuuri

Definition in file rem0types.h.

Macro Definition Documentation

#define REC_VERSION_56_MAX_INDEX_COL_LEN   3072

Maximum indexed field length for table format UNIV_FORMAT_B and

beyond. This (3072) is the maximum index row length allowed, so we cannot create index prefix column longer than that.

Definition at line 61 of file rem0types.h.

Enumeration Type Documentation

enum rec_format_enum

Innodb row types are a subset of the MySQL global enum row_type.

They are made into their own enum so that switch statements can account for each of them.

Enumerator:

REC_FORMAT_REDUNDANT	REDUNDANT row format
REC_FORMAT_COMPACT	COMPACT row format
REC_FORMAT_COMPRESSED	COMPRESSED row format
REC_FORMAT_DYNAMIC	DYNAMIC row format

Definition at line 66 of file rem0types.h.