Changed DB to store node positions as Ordinals.

sql/connection.cc

Index: sql/connection.cc
diff --git a/sql/connection.cc b/sql/connection.cc
index ea3dacbb6ba025dc248590a40031cc4a508541f4..ee713c8e51e125fe02f25c904f80e7ffad3af09f 100644
--- a/sql/connection.cc
+++ b/sql/connection.cc
@@ -14,6 +14,7 @@
 #include "sql/statement.h"
 #include "third_party/sqlite/sqlite3.h"
 

[Scott Hess - ex-Googler, 2012/10/02 03:58:47]

Egregious whitespace change is egregious.

+
 namespace {
 
 // Spin for up to a second waiting for the lock to clear when setting
@@ -455,6 +456,19 @@ bool Connection::DoesColumnExist(const char* table_name,
   return false;
 }
 
+const std::string Connection::GetColumnType(const char* table_name,
+                                            int column_index) const {
+  std::string sql("PRAGMA TABLE_INFO (");
+  sql.append(table_name);
+  sql.append(")");
+
+  Statement statement(GetUntrackedStatement(sql.c_str()));
+  for(int i = 0; i <= column_index; i++)
+    statement.Step();
+
+  return statement.ColumnString(2);
+}
+
 int64 Connection::GetLastInsertRowId() const {
   if (!db_) {
     DLOG(FATAL) << "Illegal use of connection without a db";