LMDB
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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 |
#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.