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11 September 2021
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Enumerations | Functions
dbtype.h File Reference
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Enumerations

enum  DBTYPE {
  DBTYPE_EMPTY = 0x00, DBTYPE_I2 = 0x02, DBTYPE_I4 = 0x03, DBTYPE_R4 = 0x04,
  DBTYPE_R8 = 0x05, DBTYPE_CY = 0x06, DBTYPE_ERROR = 0x0A, DBTYPE_BOOL = 0x0B,
  DBTYPE_I1 = 0x10, DBTYPE_UI1 = 0x11, DBTYPE_UI2 = 0x12, DBTYPE_UI4 = 0x13,
  DBTYPE_I8 = 0x14, DBTYPE_UI8 = 0x15, DBTYPE_FILETIME = 0x40, DBTYPE_BYTES = 0x80,
  DBTYPE_STR = 0x81, DBTYPE_WSTR = 0x82
}
 

Functions

uint8 DBTYPE_GetSizeBits (DBTYPE type)
 
uint8 DBTYPE_GetSizeBytes (DBTYPE type)
 

Enumeration Type Documentation

enum DBTYPE
Enumerator
DBTYPE_EMPTY 
DBTYPE_I2 
DBTYPE_I4 
DBTYPE_R4 
DBTYPE_R8 
DBTYPE_CY 
DBTYPE_ERROR 
DBTYPE_BOOL 
DBTYPE_I1 
DBTYPE_UI1 
DBTYPE_UI2 
DBTYPE_UI4 
DBTYPE_I8 
DBTYPE_UI8 
DBTYPE_FILETIME 
DBTYPE_BYTES 
DBTYPE_STR 
DBTYPE_WSTR 

Definition at line 67 of file dbtype.h.

68 {
69  DBTYPE_EMPTY = 0x00,
70  //DBTYPE_NULL = 0x01, // not supported
71  DBTYPE_I2 = 0x02,
72  DBTYPE_I4 = 0x03,
73  DBTYPE_R4 = 0x04,
74  DBTYPE_R8 = 0x05,
75  DBTYPE_CY = 0x06, // money
76  //DBTYPE_DATE = 0x07, // not supported
77  //DBTYPE_BSTR = 0x08, // not supported
78  //DBTYPE_IDISPATCH = 0x09, // not supported
79  DBTYPE_ERROR = 0x0A,
80  DBTYPE_BOOL = 0x0B,
81  //DBTYPE_VARIANT = 0x0C, // not supported
82  //DBTYPE_IUNKNOWN = 0x0D, // not supported
83  //DBTYPE_DECIMAL = 0x0E, // not supported
84  //DBTYPE_BLOB = 0x0F, // not supported
85  DBTYPE_I1 = 0x10,
86  DBTYPE_UI1 = 0x11,
87  DBTYPE_UI2 = 0x12,
88  DBTYPE_UI4 = 0x13,
89  DBTYPE_I8 = 0x14,
90  DBTYPE_UI8 = 0x15,
91  DBTYPE_FILETIME = 0x40, // 64-bit timestamp
92  //DBTYPE_GUID = 0x48, // not supported
93  DBTYPE_BYTES = 0x80, // client defined as 0x1fc, but error when used: Exception: <type 'exceptions.TypeError'>, DBRowDescriptor doesn't support data type 508
94  DBTYPE_STR = 0x81,
95  DBTYPE_WSTR = 0x82,
96  //DBTYPE_NUMERIC = 0x83, // not supported
97  //DBTYPE_UDT = 0x84, // not supported
98  //DBTYPE_DBDATE = 0x85, // not supported
99  //DBTYPE_DBTIME = 0x86, // not supported
100  //DBTYPE_DBTIMESTAMP = 0x87, // not supported -client has this one defined
101  //DBTYPE_HCHAPTER = 0x88, // not supported
102  //DBTYPE_PROPVARIANT = 0x8A, // not supported
103  //DBTYPE_VARNUMERIC = 0x8B // not supported
104 };

Function Documentation

uint8 DBTYPE_GetSizeBits ( DBTYPE  type)

Returns length of field of given type.

Parameters
[in]typeType of fields.
Returns
Length of field (in bits).

Definition at line 30 of file dbtype.cpp.

References DBTYPE_BOOL, DBTYPE_BYTES, DBTYPE_CY, DBTYPE_FILETIME, DBTYPE_I1, DBTYPE_I2, DBTYPE_I4, DBTYPE_I8, DBTYPE_R4, DBTYPE_R8, DBTYPE_STR, DBTYPE_UI1, DBTYPE_UI2, DBTYPE_UI4, DBTYPE_UI8, and DBTYPE_WSTR.

Referenced by DBTYPE_GetSizeBytes(), UnmarshalStream::LoadPackedRow(), and MarshalStream::VisitPackedRow().

31 {
32  switch( type )
33  {
34  case DBTYPE_I8:
35  case DBTYPE_UI8:
36  case DBTYPE_R8:
37  case DBTYPE_CY:
38  case DBTYPE_FILETIME:
39  return 64;
40  case DBTYPE_I4:
41  case DBTYPE_UI4:
42  case DBTYPE_R4:
43  return 32;
44  case DBTYPE_I2:
45  case DBTYPE_UI2:
46  return 16;
47  case DBTYPE_I1:
48  case DBTYPE_UI1:
49  return 8;
50  case DBTYPE_BOOL:
51  return 1;
52  case DBTYPE_BYTES:
53  case DBTYPE_STR:
54  case DBTYPE_WSTR:
55  return 0;
56  }
57 
58  return 0;
59 }

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uint8 DBTYPE_GetSizeBytes ( DBTYPE  type)

Returns length of field of given type.

Parameters
[in]typeType of fields.
Returns
Length of field (in bytes).

Definition at line 61 of file dbtype.cpp.

References DBTYPE_GetSizeBits().

62 {
63  return ( ( DBTYPE_GetSizeBits( type ) + 7 ) >> 3 );
64 }
DBTYPE_GetSizeBits
uint8 DBTYPE_GetSizeBits(DBTYPE type)
Definition: dbtype.cpp:30

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