table works for double, for timecolumn, but not for timestamp, also issue with the c object life cycle

Author: sfc-gh-aling

src/snowflake/connector/cpp/ArrowIterator/CArrowChunkIterator.cpp

@@ -123,15 +123,21 @@ void CArrowChunkIterator::initColumnConverters()
   int returnCode = ArrowArrayViewInitFromSchema(
     m_arrowArrayView.get(), m_arrowSchema.get(), &error);
   if (returnCode != NANOARROW_OK) {
-    std::string errorInfo = Logger::formatString(ArrowErrorMessage(&error));
+    std::string errorInfo = Logger::formatString(
+        "[Snowflake Exception] error initializing ArrowArrayView from schema : %s",
+        ArrowErrorMessage(&error)
+    );
     logger->error(__FILE__, __func__, __LINE__, errorInfo.c_str());
     PyErr_SetString(PyExc_Exception, errorInfo.c_str());
   }
 
   returnCode = ArrowArrayViewSetArray(
       m_arrowArrayView.get(), m_arrowArray.get(), &error);
   if (returnCode != NANOARROW_OK) {
-    std::string errorInfo = Logger::formatString(ArrowErrorMessage(&error));
+    std::string errorInfo = Logger::formatString(
+        "[Snowflake Exception] error setting ArrowArrayView from array : %s",
+        ArrowErrorMessage(&error)
+    );
     logger->error(__FILE__, __func__, __LINE__, errorInfo.c_str());
     PyErr_SetString(PyExc_Exception, errorInfo.c_str());
   }
@@ -145,7 +151,10 @@ void CArrowChunkIterator::initColumnConverters()
     returnCode = ArrowSchemaViewInit(
         &columnSchemaView, columnSchema, &error);
     if (returnCode != NANOARROW_OK) {
-        std::string errorInfo = Logger::formatString(ArrowErrorMessage(&error));
+        std::string errorInfo = Logger::formatString(
+            "[Snowflake Exception] error initializing ArrowSchemaView : %s",
+            ArrowErrorMessage(&error)
+        );
         logger->error(__FILE__, __func__, __LINE__, errorInfo.c_str());
         PyErr_SetString(PyExc_Exception, errorInfo.c_str());
     }

src/snowflake/connector/cpp/ArrowIterator/CArrowIterator.hpp

@@ -7,6 +7,8 @@
 
 #include "Python/Common.hpp"
 #include "logging.hpp"
+#include "nanoarrow.hpp"
+#include <cstdint>
 #include <memory>
 #include <string>
 #include <vector>
@@ -108,6 +110,8 @@ class CArrowIterator
    * @return a python object which might be current row or an Arrow Table
    */
   virtual std::shared_ptr<ReturnVal> next() = 0;
+  virtual std::vector<uintptr_t> getArrowArrayPtrs() { return {}; };
+  virtual std::vector<uintptr_t> getArrowSchemaPtrs() { return {}; };
 
 protected:
    /** list of all record batch in current chunk */