TCBMGR

NAME

tcbmgr - the command line utility of the B+ tree database API

DESCRIPTION

The command ‘tcbmgr’ is a utility for test and debugging of the B+ tree database API and its applications. ‘path’ specifies the path of a database file. ‘lmemb’ specifies the number of members in each leaf page. ‘nmemb’ specifies the number of members in each non-leaf page. ‘bnum’ specifies the number of buckets. ‘apow’ specifies the power of the alignment. ‘fpow’ specifies the power of the free block pool. ‘key’ specifies the key of a record. ‘value’ specifies the value of a record. ‘file’ specifies the input file.

tcbmgr create [-cd|-ci|-cj] [-tl] [-td|-tb|-tt|-tx] path [lmemb [nmemb [bnum [apow [fpow]]]]]

Create a database file.

tcbmgr inform [-nl|-nb] path

Print miscellaneous information to the standard output.

tcbmgr put [-cd|-ci|-cj] [-nl|-nb] [-sx] [-dk|-dc|-dd|-db|-dai|-dad] path key value

Store a record.

tcbmgr out [-cd|-ci|-cj] [-nl|-nb] [-sx] path key

Remove a record.

tcbmgr get [-cd|-ci|-cj] [-nl|-nb] [-sx] [-px] [-pz] path key

Print the value of a record.

tcbmgr list [-cd|-ci|-cj] [-nl|-nb] [-m num] [-bk] [-pv] [-px] [-j str] [-rb bkey ekey] [-fm str] path

Print keys of all records, separated by line feeds.

tcbmgr optimize [-cd|-ci|-cj] [-tl] [-td|-tb|-tt|-tx] [-tz] [-nl|-nb] [-df] path [lmemb [nmemb [bnum [apow [fpow]]]]]

Optimize a database file.

tcbmgr importtsv [-nl|-nb] [-sc] path [file]

Store records of TSV in each line of a file.

tcbmgr version

Print the version information of Tokyo Cabinet.

Options feature the following.

-cd : use the comparison function ‘tccmpdecimal’.
-ci : use the comparison function ‘tccmpint32’.
-cj : use the comparison function ‘tccmpint64’.
-tl : enable the option ‘BDBTLARGE’.
-td : enable the option ‘BDBTDEFLATE’.
-tb : enable the option ‘BDBTBZIP’.
-tt : enable the option ‘BDBTTCBS’.
-tx : enable the option ‘BDBTEXCODEC’.
-nl : enable the option ‘BDBNOLCK’.
-nb : enable the option ‘BDBLCKNB’.
-sx : the input data is evaluated as a hexadecimal data string.
-dk : use the function ‘tcbdbputkeep’ instead of ‘tcbdbput’.
-dc : use the function ‘tcbdbputcat’ instead of ‘tcbdbput’.
-dd : use the function ‘tcbdbputdup’ instead of ‘tcbdbput’.
-db : use the function ‘tcbdbputdupback’ instead of ‘tcbdbput’.
-dai : use the function ‘tcbdbaddint’ instead of ‘tcbdbput’.
-dad : use the function ‘tcbdbadddouble’ instead of ‘tcbdbput’.
-px : the output data is converted into a hexadecimal data string.
-pz : do not append line feed at the end of the output.
-m num : specify the maximum number of the output.
-bk : perform backword scanning.
-pv : print values of records also.
-j str : specify the key where the cursor jump to.
-rb bkey ekey : specify the range of keys.
-fm str : specify the prefix of keys.
-tz : enable the option ‘UINT8_MAX’.
-df : perform defragmentation only.
-sc : normalize keys as lower cases.

This command returns 0 on success, another on failure.

SEE ALSO

tcbtest(1), tcbmttest(1), tcbdb(3), tokyocabinet(3)