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Enhance the ldb tool to support ttl databases

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Summary: ldb works with raw data from the database and needs to be aware of ttl-database to work with it meaningfully. '-ttl' option now tells it that. Also added onto the ldb_test.py test. This option may be specified alongwith put, get, scan or dump. There is no support to provide a ttl-value and it uses default forever because there is no use-case for this currently.

Test Plan: make ldb_test; python tools/ldb_test.py

Reviewers: dhruba, sheki, haobo, vamsi

Reviewed By: sheki

CC: leveldb

Differential Revision: https://reviews.facebook.net/D10797
This commit is contained in:
Mayank Agarwal
2013-05-13 19:11:56 -07:00
parent 8c9411c637
commit 8a48410f09
4 changed files with 65 additions and 21 deletions
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3
util/ldb_tool.cc
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@@ -18,6 +18,9 @@ public:
ret.append("\n");
ret.append("The following optional parameters control if keys/values are "
"input/output as hex or as plain strings:\n");
ret.append(" --" + LDBCommand::ARG_TTL +
" with 'put','get','scan','dump','query','batchput'"
" : DB supports ttl and value is internally timestamp-suffixed\n");
ret.append(" --" + LDBCommand::ARG_KEY_HEX +
" : Keys are input/output as hex\n");
ret.append(" --" + LDBCommand::ARG_VALUE_HEX +