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Code Issues Releases Wiki Activity

ircd::db: Support different db::op types in txn::append(tuple).

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This commit is contained in:
Jason Volk 2018-03-24 21:36:19 -07:00
parent f60aad8753
commit d3c5845ee4
1 changed files with 23 additions and 10 deletions
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33
include/ircd/db/txn.h
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@ -76,8 +76,8 @@ struct ircd::db::txn::append
append(txn &, const row::delta &);
append(txn &, const delta &);
append(txn &, const string_view &key, const json::iov &);
template<class... T> append(txn &, const string_view &key, const json::tuple<T...> &);
template<class... T> append(txn &, const string_view &key, const json::tuple<T...> &, std::array<column, sizeof...(T)> &);
template<class... T> append(txn &, const string_view &key, const json::tuple<T...> &, const op & = op::SET);
template<class... T> append(txn &, const string_view &key, const json::tuple<T...> &, std::array<column, sizeof...(T)> &, const op & = op::SET);
};
struct ircd::db::txn::checkpoint
@ -97,15 +97,22 @@ struct ircd::db::txn::opts
template<class... T>
ircd::db::txn::append::append(txn &txn,
const string_view &key,
const json::tuple<T...> &tuple)
const json::tuple<T...> &tuple,
const op &op)
{
for_each(tuple, [&txn, &key](const auto &col, auto&& val)
for_each(tuple, [&txn, &key, &op]
(const auto &col, auto&& val)
{
if(defined(val)) append
if(!value_required(op) || defined(val)) append
{
txn, delta
{
col, key, byte_view<string_view>{val}
op,
col,
key,
value_required(op)?
byte_view<string_view>{val}:
byte_view<string_view>{}
}
};
});
@ -115,16 +122,22 @@ template<class... T>
ircd::db::txn::append::append(txn &txn,
const string_view &key,
const json::tuple<T...> &tuple,
std::array<column, sizeof...(T)> &col)
std::array<column, sizeof...(T)> &col,
const op &op)
{
size_t i{0};
for_each(tuple, [&txn, &key, &col, &i](const auto &, auto&& val)
for_each(tuple, [&txn, &key, &col, &op, &i]
(const auto &, auto&& val)
{
if(defined(val)) append
if(!value_required(op) || defined(val)) append
{
txn, col.at(i), column::delta
{
key, byte_view<string_view>{val}
op,
key,
value_required(op)?
byte_view<string_view>{val}:
byte_view<string_view>{}
}
};