.TH "mdb_put" 3 "Mon Jul 16 2018" "LMDB" \" -*- nroff -*- .ad l .nh .SH NAME mdb_put .SH SYNOPSIS .br .PP .SS "Macros" .in +1c .ti -1c .RI "#define \fBMDB_NOOVERWRITE\fP 0x10" .br .ti -1c .RI "#define \fBMDB_NODUPDATA\fP 0x20" .br .ti -1c .RI "#define \fBMDB_CURRENT\fP 0x40" .br .ti -1c .RI "#define \fBMDB_RESERVE\fP 0x10000" .br .ti -1c .RI "#define \fBMDB_APPEND\fP 0x20000" .br .ti -1c .RI "#define \fBMDB_APPENDDUP\fP 0x40000" .br .ti -1c .RI "#define \fBMDB_MULTIPLE\fP 0x80000" .br .in -1c .SH "Detailed Description" .PP .SH "Macro Definition Documentation" .PP .SS "#define MDB_NOOVERWRITE 0x10" For put: Don't write if the key already exists\&. .SS "#define MDB_NODUPDATA 0x20" Only for \fBMDB_DUPSORT\fP .br For put: don't write if the key and data pair already exist\&. .br For mdb_cursor_del: remove all duplicate data items\&. .SS "#define MDB_CURRENT 0x40" For mdb_cursor_put: overwrite the current key/data pair .SS "#define MDB_RESERVE 0x10000" For put: Just reserve space for data, don't copy it\&. Return a pointer to the reserved space\&. .SS "#define MDB_APPEND 0x20000" Data is being appended, don't split full pages\&. .SS "#define MDB_APPENDDUP 0x40000" Duplicate data is being appended, don't split full pages\&. .SS "#define MDB_MULTIPLE 0x80000" Store multiple data items in one call\&. Only for \fBMDB_DUPFIXED\fP\&. .SH "Author" .PP Generated automatically by Doxygen for LMDB from the source code\&.