lib/upsert/quoter.rb in upsert-0.0.1 vs lib/upsert/quoter.rb in upsert-0.1.0

@@ -1,8 +1,36 @@
 class Upsert
+  # @private
   module Quoter
+    ISO8601_DATE = '%F'
+
+    def quote_value(v)
+      case v
+      when NilClass
+        'NULL'
+      when Upsert::Binary
+        quote_binary v # must be defined by base
+      when String
+        quote_string v # must be defined by base
+      when TrueClass, FalseClass
+        quote_boolean v
+      when BigDecimal
+        quote_big_decimal v
+      when Numeric
+        v
+      when Symbol
+        quote_string v.to_s
+      when Time, DateTime
+        quote_time v # must be defined by base
+      when Date
+        quote_string v.strftime(ISO8601_DATE)
+      else
+        raise "not sure how to quote #{v.class}: #{v.inspect}"
+      end
+    end
+
     def quote_idents(idents)
-      idents.map { |k| quote_ident(k) }.join(',')
+      idents.map { |k| quote_ident(k) }.join(',') # must be defined by base
     end
 
     def quote_values(values)
       values.map { |v| quote_value(v) }.join(',')
     end