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Code Issues Releases Wiki Activity

ircd::db: Support map-based property retrieval.

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This commit is contained in:
Jason Volk 2018-04-03 11:05:03 -07:00
parent 0bf6742ac9
commit cfb80085a8
3 changed files with 14 additions and 0 deletions
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1
include/ircd/db/column.h
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@ -29,6 +29,7 @@ namespace ircd::db
template<class R = prop_str> R property(const column &, const string_view &name); template<class R = prop_str> R property(const column &, const string_view &name);
template<> prop_str property(const column &, const string_view &name); template<> prop_str property(const column &, const string_view &name);
template<> prop_int property(const column &, const string_view &name); template<> prop_int property(const column &, const string_view &name);
template<> prop_map property(const column &, const string_view &name);
// [GET] Tests if key exists // [GET] Tests if key exists
bool has(column &, const string_view &key, const gopts & = {}); bool has(column &, const string_view &key, const gopts & = {});

1
include/ircd/db/database/database.h
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@ -22,6 +22,7 @@ namespace ircd::db
// Property information interface // Property information interface
using prop_int = uint64_t; using prop_int = uint64_t;
using prop_str = std::string; using prop_str = std::string;
using prop_map = std::map<std::string, double>;
template<class R = prop_int> R property(const database &, const string_view &name); template<class R = prop_int> R property(const database &, const string_view &name);
template<> prop_int property(const database &, const string_view &name); template<> prop_int property(const database &, const string_view &name);

12
ircd/db.cc
View file

@ -3613,6 +3613,18 @@ ircd::db::property(const column &column,
return ret; return ret;
} }
template<>
ircd::db::prop_map
ircd::db::property(const column &column,
const string_view &name)
{
std::map<std::string, double> ret;
database::column &c(const_cast<db::column &>(column));
database &d(const_cast<db::column &>(column));
d.d->GetMapProperty(c, slice(name), &ret);
return ret;
}
size_t size_t
ircd::db::bytes(const column &column) ircd::db::bytes(const column &column)
{ {