1 files changed, 49 insertions, 2 deletions
diff --git a/lib/sqlite3/pragmas.rb b/lib/sqlite3/pragmas.rb
index 7247387..20b3180 100644
--- a/lib/sqlite3/pragmas.rb
+++ b/lib/sqlite3/pragmas.rb
@@ -246,9 +246,56 @@ module SQLite3
     end
 
     def table_info( table, &block ) # :yields: row
-      get_query_pragma "table_info", table, &block
+      columns, *rows = execute2("PRAGMA table_info(#{table})")
+
+      needs_tweak_default = version_compare(driver.libversion, "3.3.7") > 0
+
+      result = [] unless block_given?
+      rows.each do |row|
+        new_row = {}
+        columns.each_with_index do |name, index|
+          new_row[name] = row[index]
+        end
+
+        tweak_default(new_row) if needs_tweak_default
+
+        if block_given?
+          yield new_row
+        else
+          result << new_row
+        end
+      end
+
+      result
     end
-  
+
+    private
+
+      # Compares two version strings
+      def version_compare(v1, v2)
+        v1 = v1.split(".").map { |i| i.to_i }
+        v2 = v2.split(".").map { |i| i.to_i }
+        parts = [v1.length, v2.length].max
+        v1.push 0 while v1.length < parts
+        v2.push 0 while v2.length < parts
+        v1.zip(v2).each do |a,b|
+          return -1 if a < b
+          return  1 if a > b
+        end
+        return 0
+      end
+
+      # Since SQLite 3.3.8, the table_info pragma has returned the default
+      # value of the row as a quoted SQL value. This method essentially
+      # unquotes those values.
+      def tweak_default(hash)
+        case hash["dflt_value"]
+        when /^null$/i then
+          hash["dflt_value"] = nil
+        when /^'(.*)'$/
+          hash["dflt_value"] = $1.gsub(/''/, "'")
+        end
+      end
   end
 
 end