ircd::db::row: Add valid_all() to interface.

include/ircd/db/row.h

@@ -39,7 +39,9 @@ struct ircd::db::row
 
   public:
 	bool valid() const;                          // true on any cell valid; false on empty
+	bool valid_all() const;                      // true on all cell valid; false_ on empty
 	bool valid(const string_view &) const;       // true on any cell valid equal; false on empty
+	bool valid_all(const string_view &) const;   // true on all cell valid equal; false on empty
 
 	bool cached() const;                         // true on all cell cached
 	bool cached(const string_view &) const;      // true on all columns cached key

ircd/db.cc

@@ -5351,13 +5351,13 @@ const
 }
 
 bool
-ircd::db::row::valid()
+ircd::db::row::valid_all(const string_view &s)
 const
 {
-	return std::any_of(std::begin(*this), std::end(*this), []
+	return !empty() && std::all_of(std::begin(*this), std::end(*this), [&s]
 	(const auto &cell)
 	{
-		return cell.valid();
+		return cell.valid(s);
 	});
 }
 
@@ -5372,6 +5372,28 @@ const
 	});
 }
 
+bool
+ircd::db::row::valid_all()
+const
+{
+	return !empty() && std::all_of(std::begin(*this), std::end(*this), []
+	(const auto &cell)
+	{
+		return cell.valid();
+	});
+}
+
+bool
+ircd::db::row::valid()
+const
+{
+	return std::any_of(std::begin(*this), std::end(*this), []
+	(const auto &cell)
+	{
+		return cell.valid();
+	});
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 // db/cell.h