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Macros

#define MDB_REVERSEKEY   0x02
 
#define MDB_DUPSORT   0x04
 
#define MDB_INTEGERKEY   0x08
 
#define MDB_DUPFIXED   0x10
 
#define MDB_INTEGERDUP   0x20
 
#define MDB_REVERSEDUP   0x40
 
#define MDB_CREATE   0x40000
 

Detailed Description

Macro Definition Documentation

◆ MDB_REVERSEKEY

#define MDB_REVERSEKEY   0x02

use reverse string keys

◆ MDB_DUPSORT

#define MDB_DUPSORT   0x04

use sorted duplicates

◆ MDB_INTEGERKEY

#define MDB_INTEGERKEY   0x08

numeric keys in native byte order: either unsigned int or size_t. The keys must all be of the same size.

◆ MDB_DUPFIXED

#define MDB_DUPFIXED   0x10

with MDB_DUPSORT, sorted dup items have fixed size

◆ MDB_INTEGERDUP

#define MDB_INTEGERDUP   0x20

with MDB_DUPSORT, dups are MDB_INTEGERKEY-style integers

◆ MDB_REVERSEDUP

#define MDB_REVERSEDUP   0x40

with MDB_DUPSORT, use reverse string dups

◆ MDB_CREATE

#define MDB_CREATE   0x40000

create DB if not already existing