blob progress

backends/postgres/include/postgres_parameter_binder.h

@@ -32,7 +32,7 @@ public:
 
   void bind(size_t pos, const utils::blob &blob) override;
 
-  const std::vector<const char*>& params() const;
+  [[nodiscard]] const std::vector<const char*>& params() const;
 
 private:
   std::vector<std::string> strings_;

backends/postgres/src/postgres_dialect.cpp

@@ -10,6 +10,9 @@
     .with_placeholder_func([](size_t index) {
       return "$" + std::to_string(index);
     })
+    .with_token_replace_map({
+                          {dialect::token_t::BEGIN_BINARY_DATA, "E'\\\\"}
+                          })
     .with_data_type_replace_map({
                                   {data_type_t::type_blob, "BYTEA"}
                                 })

backends/postgres/src/postgres_parameter_binder.cpp

@@ -136,7 +136,7 @@ void postgres_parameter_binder::bind(size_t pos, const std::string &str, size_t
 
 void postgres_parameter_binder::bind(size_t pos, const utils::blob &blob)
 {
-
+  params_[pos] = "";
 }
 
 const std::vector<const char *> &postgres_parameter_binder::params() const