codegen: implement "without rowid" tables

pkg/schema/table.go

@@ -52,7 +52,12 @@ func (c Column) GoVarName() string {
 		return strings.ToLower(c.ForeignKeyTargetTable)[0:1] + "ID"
 	}
 
-	// Otherwise, just lowercase the field name
+	// Otherwise, just use the whole name
+	return c.LongGoVarName()
+}
+
+// LongGoVarName returns a lowercased version of the field name (Pascal => Camel).
+func (c Column) LongGoVarName() string {
 	fieldname := c.GoFieldName()
 	return strings.ToLower(fieldname)[0:1] + fieldname[1:]
 }