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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/group__mdb__put.html below:

NCBI C++ ToolKit: Write Flags

LMDB Command Line Tools

The following describes the command line tools that are available for LMDB.

◆ MDB_APPEND [1/2] #define MDB_APPEND   0x20000

Data is being appended, don't split full pages.

Definition at line 345 of file lmdb.h.

◆ MDB_APPEND [2/2] #define MDB_APPEND   0x20000

Data is being appended, don't split full pages.

Definition at line 345 of file lmdb.h.

◆ MDB_APPENDDUP [1/2] #define MDB_APPENDDUP   0x40000

Duplicate data is being appended, don't split full pages.

Definition at line 347 of file lmdb.h.

◆ MDB_APPENDDUP [2/2] #define MDB_APPENDDUP   0x40000

Duplicate data is being appended, don't split full pages.

Definition at line 347 of file lmdb.h.

◆ MDB_CURRENT [1/2]

For mdb_cursor_put: overwrite the current key/data pair.

Definition at line 339 of file lmdb.h.

◆ MDB_CURRENT [2/2]

For mdb_cursor_put: overwrite the current key/data pair.

Definition at line 339 of file lmdb.h.

◆ MDB_MULTIPLE [1/2] #define MDB_MULTIPLE   0x80000 ◆ MDB_MULTIPLE [2/2] #define MDB_MULTIPLE   0x80000 ◆ MDB_NODUPDATA [1/2] #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.

Definition at line 337 of file lmdb.h.

◆ MDB_NODUPDATA [2/2] #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.

Definition at line 337 of file lmdb.h.

◆ MDB_NOOVERWRITE [1/2] #define MDB_NOOVERWRITE   0x10

For put: Don't write if the key already exists.

Definition at line 332 of file lmdb.h.

◆ MDB_NOOVERWRITE [2/2] #define MDB_NOOVERWRITE   0x10

For put: Don't write if the key already exists.

Definition at line 332 of file lmdb.h.

◆ MDB_RESERVE [1/2] #define MDB_RESERVE   0x10000

For put: Just reserve space for data, don't copy it.

Return a pointer to the reserved space.

Definition at line 343 of file lmdb.h.

◆ MDB_RESERVE [2/2] #define MDB_RESERVE   0x10000

For put: Just reserve space for data, don't copy it.

Return a pointer to the reserved space.

Definition at line 343 of file lmdb.h.

◆ me_last_pgno size_t MDB_envinfo::me_last_pgno ◆ me_last_txnid size_t MDB_envinfo::me_last_txnid ◆ me_mapaddr void * MDB_envinfo::me_mapaddr ◆ me_mapsize size_t MDB_envinfo::me_mapsize ◆ me_maxreaders unsigned int MDB_envinfo::me_maxreaders ◆ me_numreaders unsigned int MDB_envinfo::me_numreaders ◆ ms_branch_pages size_t MDB_stat::ms_branch_pages

Number of internal (non-leaf) pages.

Definition at line 460 of file lmdb.h.

Referenced by mdb_stat0().

◆ ms_depth unsigned int MDB_stat::ms_depth ◆ ms_entries size_t MDB_stat::ms_entries ◆ ms_leaf_pages size_t MDB_stat::ms_leaf_pages ◆ ms_overflow_pages size_t MDB_stat::ms_overflow_pages ◆ ms_psize unsigned int MDB_stat::ms_psize ◆ mv_data

address of the data item

Definition at line 259 of file lmdb.h.

Referenced by lmdb::val::assign(), byte(), lmdb::val::data(), main(), mdb_cursor_put(), mdb_cursor_set(), mdb_dbi_open(), mdb_node_move(), mdb_node_search(), mdb_page_split(), mdb_update_key(), mdb_xcursor_init0(), readhdr(), and text().

◆ mv_size

size of the data item

Definition at line 258 of file lmdb.h.

Referenced by lmdb::val::assign(), byte(), main(), mdb_cursor_put(), mdb_cursor_set(), mdb_dbi_open(), mdb_node_move(), mdb_node_search(), mdb_page_split(), mdb_update_key(), mdb_xcursor_init0(), readhdr(), lmdb::val::size(), and text().

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