[TD-2971] <feature>: make python connector support unsigned int. fix None determine.
This commit is contained in:
parent
da32a2571e
commit
450bf068f9
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@ -67,13 +67,13 @@ def _crow_tinyint_unsigned_to_python(
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_byte))[
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_byte))[
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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@ -102,13 +102,13 @@ def _crow_smallint_unsigned_to_python(
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_short))[
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_short))[
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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@ -130,13 +130,13 @@ def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_int))[
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_int))[
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_long))[
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_long))[
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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@ -67,13 +67,13 @@ def _crow_tinyint_unsigned_to_python(
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_byte))[
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_byte))[
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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@ -102,13 +102,13 @@ def _crow_smallint_unsigned_to_python(
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_short))[
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_short))[
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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@ -130,13 +130,13 @@ def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_int))[
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_int))[
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_long))[
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_long))[
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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@ -523,7 +523,6 @@ class CTaosInterface(object):
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for i in range(len(fields)):
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data = ctypes.cast(pblock, ctypes.POINTER(ctypes.c_void_p))[i]
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if fields[i]['type'] not in _CONVERT_FUNC_BLOCK:
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print("CBD cinterface.py LN526")
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raise DatabaseError("Invalid data type returned from database")
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blocks[i] = _CONVERT_FUNC_BLOCK[fields[i]['type']](
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data, num_of_rows, fieldLen[i], isMicro)
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@ -548,7 +547,6 @@ class CTaosInterface(object):
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for i in range(len(fields)):
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data = ctypes.cast(pblock, ctypes.POINTER(ctypes.c_void_p))[i]
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if fields[i]['type'] not in _CONVERT_FUNC:
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print("CBD cinterface.py LN551")
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raise DatabaseError(
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"Invalid data type returned from database")
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if data is None:
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@ -67,13 +67,13 @@ def _crow_tinyint_unsigned_to_python(
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_byte))[
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_byte))[
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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@ -102,13 +102,13 @@ def _crow_smallint_unsigned_to_python(
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_short))[
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_short))[
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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@ -130,13 +130,13 @@ def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_int))[
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_int))[
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_long))[
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_long))[
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
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if num_of_rows > 0:
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return list(map(_timestamp_converter, ctypes.cast(
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data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
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data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
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else:
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return list(map(_timestamp_converter, ctypes.cast(
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data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
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data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
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def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
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@ -56,6 +56,27 @@ def _crow_tinyint_to_python(data, num_of_rows, nbytes=None, micro=False):
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data, ctypes.POINTER(ctypes.c_byte))[:abs(num_of_rows)]]
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def _crow_tinyint_unsigned_to_python(
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data,
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num_of_rows,
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nbytes=None,
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micro=False):
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"""Function to convert C tinyint row to python row
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"""
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if num_of_rows > 0:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
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"""Function to convert C smallint row to python row
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"""
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@ -73,6 +94,24 @@ def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
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:abs(num_of_rows)]]
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def _crow_smallint_unsigned_to_python(
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data, num_of_rows, nbytes=None, micro=False):
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"""Function to convert C smallint row to python row
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"""
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if num_of_rows > 0:
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_SMALLINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ushort))[
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:abs(num_of_rows)]]
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def _crow_int_to_python(data, num_of_rows, nbytes=None, micro=False):
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"""Function to convert C int row to python row
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"""
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@ -84,15 +123,53 @@ def _crow_int_to_python(data, num_of_rows, nbytes=None, micro=False):
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data, ctypes.POINTER(ctypes.c_int))[:abs(num_of_rows)]]
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def _crow_int_unsigned_to_python(data, num_of_rows, nbytes=None, micro=False):
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"""Function to convert C int row to python row
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"""
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if num_of_rows > 0:
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_INT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_uint))[
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:abs(num_of_rows)]]
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def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
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"""Function to convert C bigint row to python row
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"""
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if num_of_rows > 0:
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return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]]
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data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
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else:
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return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]]
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data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
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def _crow_bigint_unsigned_to_python(
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data,
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num_of_rows,
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nbytes=None,
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micro=False):
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"""Function to convert C bigint row to python row
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"""
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if num_of_rows > 0:
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ulong))[
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:abs(num_of_rows)]]
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def _crow_float_to_python(data, num_of_rows, nbytes=None, micro=False):
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@ -212,7 +289,11 @@ _CONVERT_FUNC = {
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FieldType.C_DOUBLE: _crow_double_to_python,
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FieldType.C_BINARY: _crow_binary_to_python,
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FieldType.C_TIMESTAMP: _crow_timestamp_to_python,
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FieldType.C_NCHAR: _crow_nchar_to_python
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FieldType.C_NCHAR: _crow_nchar_to_python,
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FieldType.C_TINYINT_UNSIGNED: _crow_tinyint_unsigned_to_python,
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FieldType.C_SMALLINT_UNSIGNED: _crow_smallint_unsigned_to_python,
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FieldType.C_INT_UNSIGNED: _crow_int_unsigned_to_python,
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FieldType.C_BIGINT_UNSIGNED: _crow_bigint_unsigned_to_python
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}
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_CONVERT_FUNC_BLOCK = {
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@ -225,7 +306,11 @@ _CONVERT_FUNC_BLOCK = {
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FieldType.C_DOUBLE: _crow_double_to_python,
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FieldType.C_BINARY: _crow_binary_to_python_block,
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FieldType.C_TIMESTAMP: _crow_timestamp_to_python,
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FieldType.C_NCHAR: _crow_nchar_to_python_block
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FieldType.C_NCHAR: _crow_nchar_to_python_block,
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FieldType.C_TINYINT_UNSIGNED: _crow_tinyint_unsigned_to_python,
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FieldType.C_SMALLINT_UNSIGNED: _crow_smallint_unsigned_to_python,
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FieldType.C_INT_UNSIGNED: _crow_int_unsigned_to_python,
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FieldType.C_BIGINT_UNSIGNED: _crow_bigint_unsigned_to_python
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}
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# Corresponding TAOS_FIELD structure in C
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@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
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if num_of_rows > 0:
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return list(map(_timestamp_converter, ctypes.cast(
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data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
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data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
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else:
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return list(map(_timestamp_converter, ctypes.cast(
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data, ctypes.POINTER(ctypes.c_longlong))[:abs(num_of_rows)]))
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data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
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def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
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@ -56,6 +56,27 @@ def _crow_tinyint_to_python(data, num_of_rows, nbytes=None, micro=False):
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data, ctypes.POINTER(ctypes.c_byte))[:abs(num_of_rows)]]
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def _crow_tinyint_unsigned_to_python(
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data,
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num_of_rows,
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nbytes=None,
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micro=False):
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"""Function to convert C tinyint row to python row
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"""
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if num_of_rows > 0:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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else:
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return [
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None if ele == FieldType.C_TINYINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
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data, ctypes.POINTER(
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ctypes.c_ubyte))[
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:abs(num_of_rows)]]
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def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
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"""Function to convert C smallint row to python row
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"""
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|
@ -73,6 +94,24 @@ def _crow_smallint_to_python(data, num_of_rows, nbytes=None, micro=False):
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:abs(num_of_rows)]]
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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
|
||||
|
|
Loading…
Reference in New Issue