From cfb80085a8e4b37d2ad0e8a3b41f19a0d9998c33 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Tue, 3 Apr 2018 11:05:03 -0700
Subject: [PATCH] ircd::db: Support map-based property retrieval.

---
 include/ircd/db/column.h            |  1 +
 include/ircd/db/database/database.h |  1 +
 ircd/db.cc                          | 12 ++++++++++++
 3 files changed, 14 insertions(+)

diff --git a/include/ircd/db/column.h b/include/ircd/db/column.h
index 5db6d3e06..f28b1184a 100644
--- a/include/ircd/db/column.h
+++ b/include/ircd/db/column.h
@@ -29,6 +29,7 @@ namespace ircd::db
 	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_int property(const column &, const string_view &name);
+	template<> prop_map property(const column &, const string_view &name);
 
 	// [GET] Tests if key exists
 	bool has(column &, const string_view &key, const gopts & = {});
diff --git a/include/ircd/db/database/database.h b/include/ircd/db/database/database.h
index 611783187..54172640a 100644
--- a/include/ircd/db/database/database.h
+++ b/include/ircd/db/database/database.h
@@ -22,6 +22,7 @@ namespace ircd::db
 	// Property information interface
 	using prop_int = uint64_t;
 	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<> prop_int property(const database &, const string_view &name);
 
diff --git a/ircd/db.cc b/ircd/db.cc
index 412942a46..1ac19ad7e 100644
--- a/ircd/db.cc
+++ b/ircd/db.cc
@@ -3613,6 +3613,18 @@ ircd::db::property(const column &column,
 	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
 ircd::db::bytes(const column &column)
 {