Section: User Commands (1)
mdb_load - LMDB environment import tool
utility reads from the standard input and loads it into the
The input to
must be in the output format specified by the
utility or as specified by the
Write the library version number to the standard output, and exit.
- -f file
Read from the specified file instead of from the standard input.
Load an LMDB database which does not use subdirectories.
- -s subdb
Load a specific subdatabase. If no database is specified, data is loaded into the main database.
Don't overwrite existing records when loading into an already existing database; just skip them.
Load data from simple text files. The input must be paired lines of text, where the first
line of the pair is the key item, and the second line of the pair is its corresponding
A simple escape mechanism, where newline and backslash (\) characters are special, is
applied to the text input. Newline characters are interpreted as record separators.
Backslash characters in the text will be interpreted in one of two ways: If the backslash
character precedes another backslash character, the pair will be interpreted as a literal
backslash. If the backslash character precedes any other character, the two characters
following the backslash will be interpreted as a hexadecimal specification of a single
character; for example, \0a is a newline character in the ASCII character set.
For this reason, any backslash or newline characters that naturally occur in the text
input must be escaped to avoid misinterpretation by
Exit status is zero if no errors occur.
Errors result in a non-zero exit status and
a diagnostic message being written to standard error.
Howard Chu of Symas Corporation <http://www.symas.com