NAME

       mdb_put - Write Flags

   Macros
       #define MDB_NOOVERWRITE   0x10
       #define MDB_NODUPDATA   0x20
       #define MDB_CURRENT   0x40
       #define MDB_RESERVE   0x10000
       #define MDB_APPEND   0x20000
       #define MDB_APPENDDUP   0x40000
       #define MDB_MULTIPLE   0x80000

Detailed Description

Macro Definition Documentation

   #define MDB_NOOVERWRITE   0x10
       For put: Don't write if the key already exists.

   #define MDB_NODUPDATA   0x20
       Only for MDB_DUPSORT
        For put: don't write if the key and data pair already exist.
        For mdb_cursor_del: remove all duplicate data items.

   #define MDB_CURRENT   0x40
       For mdb_cursor_put: overwrite the current key/data pair

   #define MDB_RESERVE   0x10000
       For put: Just reserve space for data, don't copy it. Return a pointer to the reserved space.

   #define MDB_APPEND   0x20000
       Data is being appended, don't split full pages.

   #define MDB_APPENDDUP   0x40000
       Duplicate data is being appended, don't split full pages.

   #define MDB_MULTIPLE   0x80000
       Store multiple data items in one call. Only for MDB_DUPFIXED.

Author

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LMDB                                             Mon Dec 28 2015                                      mdb_put(3)