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modules/console: Add command to list deltas in a single txn by seqnum.

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This commit is contained in:
Jason Volk 2018-03-27 15:27:46 -07:00
parent 7657fde5db
commit 98c9e199da
1 changed files with 47 additions and 0 deletions
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47
modules/console.cc
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@ -530,6 +530,53 @@ catch(const std::out_of_range &e)
return true;
}
bool
console_cmd__db__txn(opt &out, const string_view &line)
try
{
const auto dbname
{
token(line, ' ', 0)
};
if(dbname != "events")
throw error
{
"Sorry, this command is specific to the events db for now."
};
const auto seqnum
{
lex_cast<uint64_t>(token(line, ' ', 1, "0"))
};
auto &database
{
*db::database::dbs.at(dbname)
};
get(database, seqnum, db::seq_closure{[&out]
(db::txn &txn, const uint64_t &seqnum)
{
for_each(txn, [&out, &seqnum]
(const db::delta &delta)
{
out << std::setw(12) << std::right << seqnum << " : "
<< std::setw(8) << std::left << reflect(std::get<delta.OP>(delta)) << " "
<< std::setw(18) << std::right << std::get<delta.COL>(delta) << " "
<< std::get<delta.KEY>(delta)
<< std::endl;
});
}});
return true;
}
catch(const std::out_of_range &e)
{
out << "No open database by that name" << std::endl;
return true;
}
bool
console_cmd__db__checkpoint(opt &out, const string_view &line)
try