Removed useless method #2571

dbms/src/Core/SortDescription.cpp

-#include <sstream>
-#include <Core/SortDescription.h>
-#include <Columns/Collator.h>
-#include <IO/Operators.h>
-#include <IO/WriteBufferFromString.h>
-
-
-namespace DB
-{
-
-std::string SortColumnDescription::getID() const
-{
-    WriteBufferFromOwnString out;
-    out << column_name << ", " << column_number << ", " << direction << ", " << nulls_direction;
-    if (collator)
-        out << ", collation locale: " << collator->getLocale();
-    return out.str();
-}
-
-}

dbms/src/Core/SortDescription.h

@@ -26,9 +26,6 @@ struct SortColumnDescription
 
     SortColumnDescription(const std::string & column_name_, int direction_, int nulls_direction_, const std::shared_ptr<Collator> & collator_ = nullptr)
         : column_name(column_name_), column_number(0), direction(direction_), nulls_direction(nulls_direction_), collator(collator_) {}
-
-    /// For IBlockInputStream.
-    std::string getID() const;
 };
 
 /// Description of the sorting rule for several columns.