[TD-2971] <feature>: make python connector support unsigned int. fix None determine.

src/connector/python/linux/python2/taos/cinterface.py

@@ -67,13 +67,13 @@ def _crow_tinyint_unsigned_to_python(
         return [
             None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_byte))[
+                    ctypes.c_ubyte))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_byte))[
+                    ctypes.c_ubyte))[
                 :abs(num_of_rows)]]
 
 
@@ -102,13 +102,13 @@ def _crow_smallint_unsigned_to_python(
         return [
             None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_short))[
+                    ctypes.c_ushort))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_short))[
+                    ctypes.c_ushort))[
                 :abs(num_of_rows)]]
 
 
@@ -130,13 +130,13 @@ def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
         return [
             None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_int))[
+                    ctypes.c_uint))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_int))[
+                    ctypes.c_uint))[
                 :abs(num_of_rows)]]
 
 
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_long))[
+                    ctypes.c_ulong))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_long))[
+                    ctypes.c_ulong))[
                 :abs(num_of_rows)]]
 
 

src/connector/python/linux/python3/taos/cinterface.py

@@ -67,13 +67,13 @@ def _crow_tinyint_unsigned_to_python(
         return [
             None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_byte))[
+                    ctypes.c_ubyte))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_byte))[
+                    ctypes.c_ubyte))[
                 :abs(num_of_rows)]]
 
 
@@ -102,13 +102,13 @@ def _crow_smallint_unsigned_to_python(
         return [
             None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_short))[
+                    ctypes.c_ushort))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_short))[
+                    ctypes.c_ushort))[
                 :abs(num_of_rows)]]
 
 
@@ -130,13 +130,13 @@ def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
         return [
             None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_int))[
+                    ctypes.c_uint))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_int))[
+                    ctypes.c_uint))[
                 :abs(num_of_rows)]]
 
 
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_long))[
+                    ctypes.c_ulong))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_long))[
+                    ctypes.c_ulong))[
                 :abs(num_of_rows)]]
 
 
@@ -523,7 +523,6 @@ class CTaosInterface(object):
         for i in range(len(fields)):
             data = ctypes.cast(pblock, ctypes.POINTER(ctypes.c_void_p))[i]
             if fields[i]['type'] not in _CONVERT_FUNC_BLOCK:
-                print("CBD cinterface.py LN526")
                 raise DatabaseError("Invalid data type returned from database")
             blocks[i] = _CONVERT_FUNC_BLOCK[fields[i]['type']](
                 data, num_of_rows, fieldLen[i], isMicro)
@@ -548,7 +547,6 @@ class CTaosInterface(object):
             for i in range(len(fields)):
                 data = ctypes.cast(pblock, ctypes.POINTER(ctypes.c_void_p))[i]
                 if fields[i]['type'] not in _CONVERT_FUNC:
-                    print("CBD cinterface.py LN551")
                     raise DatabaseError(
                         "Invalid data type returned from database")
                 if data is None:

src/connector/python/osx/python3/taos/cinterface.py

@@ -67,13 +67,13 @@ def _crow_tinyint_unsigned_to_python(
         return [
             None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_byte))[
+                    ctypes.c_ubyte))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_byte))[
+                    ctypes.c_ubyte))[
                 :abs(num_of_rows)]]
 
 
@@ -102,13 +102,13 @@ def _crow_smallint_unsigned_to_python(
         return [
             None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_short))[
+                    ctypes.c_ushort))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_short))[
+                    ctypes.c_ushort))[
                 :abs(num_of_rows)]]
 
 
@@ -130,13 +130,13 @@ def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
         return [
             None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_int))[
+                    ctypes.c_uint))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_int))[
+                    ctypes.c_uint))[
                 :abs(num_of_rows)]]
 
 
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_long))[
+                    ctypes.c_ulong))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_long))[
+                    ctypes.c_ulong))[
                 :abs(num_of_rows)]]
 
 

src/connector/python/windows/python2/taos/cinterface.py

@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -56,6 +56,27 @@ def _crow_tinyint_to_python(data, num_of_rows, nbytes=None, micro=False):
             data, ctypes.POINTER(ctypes.c_byte))[:abs(num_of_rows)]]
 
 
+def _crow_tinyint_unsigned_to_python(
+        data,
+        num_of_rows,
+        nbytes=None,
+        micro=False):
+    """Function to convert C tinyint row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ubyte))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ubyte))[
+                :abs(num_of_rows)]]
+
+
 def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C smallint row to python row
     """
@@ -73,6 +94,24 @@ def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
                 :abs(num_of_rows)]]
 
 
+def _crow_smallint_unsigned_to_python(
+        data, num_of_rows, nbytes=None, micro=False):
+    """Function to convert C smallint row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ushort))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ushort))[
+                :abs(num_of_rows)]]
+
+
 def _crow_int_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C int row to python row
     """
@@ -84,15 +123,53 @@ def _crow_int_to_python(data, num_of_rows, nbytes=None, micro=False):
             data, ctypes.POINTER(ctypes.c_int))[:abs(num_of_rows)]]
 
 
+def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
+    """Function to convert C int row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_uint))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_uint))[
+                :abs(num_of_rows)]]
+
+
 def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C bigint row to python row
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+
+
+def _crow_bigint_unsigned_to_python(
+        data,
+        num_of_rows,
+        nbytes=None,
+        micro=False):
+    """Function to convert C bigint row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ulong))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ulong))[
+                :abs(num_of_rows)]]
 
 
 def _crow_float_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -212,7 +289,11 @@ _CONVERT_FUNC = {
     FieldType.C_DOUBLE: _crow_double_to_python,
     FieldType.C_BINARY: _crow_binary_to_python,
     FieldType.C_TIMESTAMP: _crow_timestamp_to_python,
-    FieldType.C_NCHAR: _crow_nchar_to_python
+    FieldType.C_NCHAR: _crow_nchar_to_python,
+    FieldType.C_TINYINT_UNSIGNED: _crow_tinyint_unsigned_to_python,
+    FieldType.C_SMALLINT_UNSIGNED: _crow_smallint_unsigned_to_python,
+    FieldType.C_INT_UNSIGNED: _crow_int_unsigned_to_python,
+    FieldType.C_BIGINT_UNSIGNED: _crow_bigint_unsigned_to_python
 }
 
 _CONVERT_FUNC_BLOCK = {
@@ -225,7 +306,11 @@ _CONVERT_FUNC_BLOCK = {
     FieldType.C_DOUBLE: _crow_double_to_python,
     FieldType.C_BINARY: _crow_binary_to_python_block,
     FieldType.C_TIMESTAMP: _crow_timestamp_to_python,
-    FieldType.C_NCHAR: _crow_nchar_to_python_block
+    FieldType.C_NCHAR: _crow_nchar_to_python_block,
+    FieldType.C_TINYINT_UNSIGNED: _crow_tinyint_unsigned_to_python,
+    FieldType.C_SMALLINT_UNSIGNED: _crow_smallint_unsigned_to_python,
+    FieldType.C_INT_UNSIGNED: _crow_int_unsigned_to_python,
+    FieldType.C_BIGINT_UNSIGNED: _crow_bigint_unsigned_to_python
 }
 
 # Corresponding TAOS_FIELD structure in C

src/connector/python/windows/python3/taos/cinterface.py

@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -56,6 +56,27 @@ def _crow_tinyint_to_python(data, num_of_rows, nbytes=None, micro=False):
             data, ctypes.POINTER(ctypes.c_byte))[:abs(num_of_rows)]]
 
 
+def _crow_tinyint_unsigned_to_python(
+        data,
+        num_of_rows,
+        nbytes=None,
+        micro=False):
+    """Function to convert C tinyint row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ubyte))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ubyte))[
+                :abs(num_of_rows)]]
+
+
 def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C smallint row to python row
     """
@@ -73,6 +94,24 @@ def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
                 :abs(num_of_rows)]]
 
 
+def _crow_smallint_unsigned_to_python(
+        data, num_of_rows, nbytes=None, micro=False):
+    """Function to convert C smallint row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ushort))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ushort))[
+                :abs(num_of_rows)]]
+
+
 def _crow_int_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C int row to python row
     """
@@ -84,15 +123,53 @@ def _crow_int_to_python(data, num_of_rows, nbytes=None, micro=False):
             data, ctypes.POINTER(ctypes.c_int))[:abs(num_of_rows)]]
 
 
+def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
+    """Function to convert C int row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_uint))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_uint))[
+                :abs(num_of_rows)]]
+
+
 def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C bigint row to python row
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+
+
+def _crow_bigint_unsigned_to_python(
+        data,
+        num_of_rows,
+        nbytes=None,
+        micro=False):
+    """Function to convert C bigint row to python row
+    """
+    if num_of_rows > 0:
+        return [
+            None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ulong))[
+                :abs(num_of_rows)]]
+    else:
+        return [
+            None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
+                data, ctypes.POINTER(
+                    ctypes.c_ulong))[
+                :abs(num_of_rows)]]
 
 
 def _crow_float_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -133,9 +210,7 @@ def _crow_nchar_to_python(data, num_of_rows, nbytes=None, micro=False):
     """Function to convert C nchar row to python row
     """
     assert(nbytes is not None)
-
     res = []
-
     for i in range(abs(num_of_rows)):
         try:
             if num_of_rows >= 0:
@@ -214,7 +289,11 @@ _CONVERT_FUNC = {
     FieldType.C_DOUBLE: _crow_double_to_python,
     FieldType.C_BINARY: _crow_binary_to_python,
     FieldType.C_TIMESTAMP: _crow_timestamp_to_python,
-    FieldType.C_NCHAR: _crow_nchar_to_python
+    FieldType.C_NCHAR: _crow_nchar_to_python,
+    FieldType.C_TINYINT_UNSIGNED: _crow_tinyint_unsigned_to_python,
+    FieldType.C_SMALLINT_UNSIGNED: _crow_smallint_unsigned_to_python,
+    FieldType.C_INT_UNSIGNED: _crow_int_unsigned_to_python,
+    FieldType.C_BIGINT_UNSIGNED: _crow_bigint_unsigned_to_python
 }
 
 _CONVERT_FUNC_BLOCK = {
@@ -227,7 +306,11 @@ _CONVERT_FUNC_BLOCK = {
     FieldType.C_DOUBLE: _crow_double_to_python,
     FieldType.C_BINARY: _crow_binary_to_python_block,
     FieldType.C_TIMESTAMP: _crow_timestamp_to_python,
-    FieldType.C_NCHAR: _crow_nchar_to_python_block
+    FieldType.C_NCHAR: _crow_nchar_to_python_block,
+    FieldType.C_TINYINT_UNSIGNED: _crow_tinyint_unsigned_to_python,
+    FieldType.C_SMALLINT_UNSIGNED: _crow_smallint_unsigned_to_python,
+    FieldType.C_INT_UNSIGNED: _crow_int_unsigned_to_python,
+    FieldType.C_BIGINT_UNSIGNED: _crow_bigint_unsigned_to_python
 }
 
 # Corresponding TAOS_FIELD structure in C