Man pages sections > man3 > mdb_txn

mdb_txn

mdb_txn(3) Library Functions Manual mdb_txn(3)

NAME

mdb_txn

SYNOPSIS

Macros


#define MDB_TXN_BEGIN_FLAGS MDB_RDONLY
 
#define MDB_TXN_RDONLY MDB_RDONLY
 
#define MDB_TXN_WRITEMAP MDB_WRITEMAP
 
#define MDB_TXN_FINISHED 0x01
 
#define MDB_TXN_ERROR 0x02
 
#define MDB_TXN_DIRTY 0x04
 
#define MDB_TXN_SPILLS 0x08
 
#define MDB_TXN_HAS_CHILD 0x10
 
#define MDB_TXN_BLOCKED (MDB_TXN_FINISHED|MDB_TXN_ERROR|MDB_TXN_HAS_CHILD)
 

Detailed Description

Macro Definition Documentation

#define MDB_TXN_BEGIN_FLAGS MDB_RDONLY

mdb_txn_begin() flags

#define MDB_TXN_RDONLY MDB_RDONLY

read-only transaction

#define MDB_TXN_WRITEMAP MDB_WRITEMAP

copy of MDB_env flag in writers

#define MDB_TXN_FINISHED 0x01

txn is finished or never began

#define MDB_TXN_ERROR 0x02

txn is unusable after an error

#define MDB_TXN_DIRTY 0x04

must write, even if dirty list is empty

#define MDB_TXN_SPILLS 0x08

txn or a parent has spilled pages

#define MDB_TXN_HAS_CHILD 0x10

txn has an MDB_txn.mt_child

#define MDB_TXN_BLOCKED ( MDB_TXN_FINISHED|MDB_TXN_ERROR|MDB_TXN_HAS_CHILD)

most operations on the txn are currently illegal

Author

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Thu Jun 8 2017 LMDB