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# ADO enumerated constants documented on MSDN:
# http://msdn.microsoft.com/en-us/library/ms678353(VS.85).aspx
# IsolationLevelEnum
adXactUnspecified = -1
adXactBrowse = 0x100
adXactChaos = 0x10
adXactCursorStability = 0x1000
adXactIsolated = 0x100000
adXactReadCommitted = 0x1000
adXactReadUncommitted = 0x100
adXactRepeatableRead = 0x10000
adXactSerializable = 0x100000
# CursorLocationEnum
adUseClient = 3
adUseServer = 2
# CursorTypeEnum
adOpenDynamic = 2
adOpenForwardOnly = 0
adOpenKeyset = 1
adOpenStatic = 3
adOpenUnspecified = -1
# CommandTypeEnum
adCmdText = 1
adCmdStoredProc = 4
adSchemaTables = 20
# ParameterDirectionEnum
adParamInput = 1
adParamInputOutput = 3
adParamOutput = 2
adParamReturnValue = 4
adParamUnknown = 0
directions = {
0: "Unknown",
1: "Input",
2: "Output",
3: "InputOutput",
4: "Return",
}
def ado_direction_name(ado_dir):
try:
return "adParam" + directions[ado_dir]
except:
return "unknown direction (" + str(ado_dir) + ")"
# ObjectStateEnum
adStateClosed = 0
adStateOpen = 1
adStateConnecting = 2
adStateExecuting = 4
adStateFetching = 8
# FieldAttributeEnum
adFldMayBeNull = 0x40
# ConnectModeEnum
adModeUnknown = 0
adModeRead = 1
adModeWrite = 2
adModeReadWrite = 3
adModeShareDenyRead = 4
adModeShareDenyWrite = 8
adModeShareExclusive = 12
adModeShareDenyNone = 16
adModeRecursive = 0x400000
# XactAttributeEnum
adXactCommitRetaining = 131072
adXactAbortRetaining = 262144
ado_error_TIMEOUT = -2147217871
# DataTypeEnum - ADO Data types documented at:
# http://msdn2.microsoft.com/en-us/library/ms675318.aspx
adArray = 0x2000
adEmpty = 0x0
adBSTR = 0x8
adBigInt = 0x14
adBinary = 0x80
adBoolean = 0xB
adChapter = 0x88
adChar = 0x81
adCurrency = 0x6
adDBDate = 0x85
adDBTime = 0x86
adDBTimeStamp = 0x87
adDate = 0x7
adDecimal = 0xE
adDouble = 0x5
adError = 0xA
adFileTime = 0x40
adGUID = 0x48
adIDispatch = 0x9
adIUnknown = 0xD
adInteger = 0x3
adLongVarBinary = 0xCD
adLongVarChar = 0xC9
adLongVarWChar = 0xCB
adNumeric = 0x83
adPropVariant = 0x8A
adSingle = 0x4
adSmallInt = 0x2
adTinyInt = 0x10
adUnsignedBigInt = 0x15
adUnsignedInt = 0x13
adUnsignedSmallInt = 0x12
adUnsignedTinyInt = 0x11
adUserDefined = 0x84
adVarBinary = 0xCC
adVarChar = 0xC8
adVarNumeric = 0x8B
adVarWChar = 0xCA
adVariant = 0xC
adWChar = 0x82
# Additional constants used by introspection but not ADO itself
AUTO_FIELD_MARKER = -1000
adTypeNames = {
adBSTR: "adBSTR",
adBigInt: "adBigInt",
adBinary: "adBinary",
adBoolean: "adBoolean",
adChapter: "adChapter",
adChar: "adChar",
adCurrency: "adCurrency",
adDBDate: "adDBDate",
adDBTime: "adDBTime",
adDBTimeStamp: "adDBTimeStamp",
adDate: "adDate",
adDecimal: "adDecimal",
adDouble: "adDouble",
adEmpty: "adEmpty",
adError: "adError",
adFileTime: "adFileTime",
adGUID: "adGUID",
adIDispatch: "adIDispatch",
adIUnknown: "adIUnknown",
adInteger: "adInteger",
adLongVarBinary: "adLongVarBinary",
adLongVarChar: "adLongVarChar",
adLongVarWChar: "adLongVarWChar",
adNumeric: "adNumeric",
adPropVariant: "adPropVariant",
adSingle: "adSingle",
adSmallInt: "adSmallInt",
adTinyInt: "adTinyInt",
adUnsignedBigInt: "adUnsignedBigInt",
adUnsignedInt: "adUnsignedInt",
adUnsignedSmallInt: "adUnsignedSmallInt",
adUnsignedTinyInt: "adUnsignedTinyInt",
adUserDefined: "adUserDefined",
adVarBinary: "adVarBinary",
adVarChar: "adVarChar",
adVarNumeric: "adVarNumeric",
adVarWChar: "adVarWChar",
adVariant: "adVariant",
adWChar: "adWChar",
}
def ado_type_name(ado_type):
return adTypeNames.get(ado_type, "unknown type (" + str(ado_type) + ")")
# here in decimal, sorted by value
# adEmpty 0 Specifies no value (DBTYPE_EMPTY).
# adSmallInt 2 Indicates a two-byte signed integer (DBTYPE_I2).
# adInteger 3 Indicates a four-byte signed integer (DBTYPE_I4).
# adSingle 4 Indicates a single-precision floating-point value (DBTYPE_R4).
# adDouble 5 Indicates a double-precision floating-point value (DBTYPE_R8).
# adCurrency 6 Indicates a currency value (DBTYPE_CY). Currency is a fixed-point number
# with four digits to the right of the decimal point. It is stored in an eight-byte signed integer scaled by 10,000.
# adDate 7 Indicates a date value (DBTYPE_DATE). A date is stored as a double, the whole part of which is
# the number of days since December 30, 1899, and the fractional part of which is the fraction of a day.
# adBSTR 8 Indicates a null-terminated character string (Unicode) (DBTYPE_BSTR).
# adIDispatch 9 Indicates a pointer to an IDispatch interface on a COM object (DBTYPE_IDISPATCH).
# adError 10 Indicates a 32-bit error code (DBTYPE_ERROR).
# adBoolean 11 Indicates a boolean value (DBTYPE_BOOL).
# adVariant 12 Indicates an Automation Variant (DBTYPE_VARIANT).
# adIUnknown 13 Indicates a pointer to an IUnknown interface on a COM object (DBTYPE_IUNKNOWN).
# adDecimal 14 Indicates an exact numeric value with a fixed precision and scale (DBTYPE_DECIMAL).
# adTinyInt 16 Indicates a one-byte signed integer (DBTYPE_I1).
# adUnsignedTinyInt 17 Indicates a one-byte unsigned integer (DBTYPE_UI1).
# adUnsignedSmallInt 18 Indicates a two-byte unsigned integer (DBTYPE_UI2).
# adUnsignedInt 19 Indicates a four-byte unsigned integer (DBTYPE_UI4).
# adBigInt 20 Indicates an eight-byte signed integer (DBTYPE_I8).
# adUnsignedBigInt 21 Indicates an eight-byte unsigned integer (DBTYPE_UI8).
# adFileTime 64 Indicates a 64-bit value representing the number of 100-nanosecond intervals since
# January 1, 1601 (DBTYPE_FILETIME).
# adGUID 72 Indicates a globally unique identifier (GUID) (DBTYPE_GUID).
# adBinary 128 Indicates a binary value (DBTYPE_BYTES).
# adChar 129 Indicates a string value (DBTYPE_STR).
# adWChar 130 Indicates a null-terminated Unicode character string (DBTYPE_WSTR).
# adNumeric 131 Indicates an exact numeric value with a fixed precision and scale (DBTYPE_NUMERIC).
# adUserDefined 132 Indicates a user-defined variable (DBTYPE_UDT).
# adUserDefined 132 Indicates a user-defined variable (DBTYPE_UDT).
# adDBDate 133 Indicates a date value (yyyymmdd) (DBTYPE_DBDATE).
# adDBTime 134 Indicates a time value (hhmmss) (DBTYPE_DBTIME).
# adDBTimeStamp 135 Indicates a date/time stamp (yyyymmddhhmmss plus a fraction in billionths) (DBTYPE_DBTIMESTAMP).
# adChapter 136 Indicates a four-byte chapter value that identifies rows in a child rowset (DBTYPE_HCHAPTER).
# adPropVariant 138 Indicates an Automation PROPVARIANT (DBTYPE_PROP_VARIANT).
# adVarNumeric 139 Indicates a numeric value (Parameter object only).
# adVarChar 200 Indicates a string value (Parameter object only).
# adLongVarChar 201 Indicates a long string value (Parameter object only).
# adVarWChar 202 Indicates a null-terminated Unicode character string (Parameter object only).
# adLongVarWChar 203 Indicates a long null-terminated Unicode string value (Parameter object only).
# adVarBinary 204 Indicates a binary value (Parameter object only).
# adLongVarBinary 205 Indicates a long binary value (Parameter object only).
# adArray (Does not apply to ADOX.) 0x2000 A flag value, always combined with another data type constant,
# that indicates an array of that other data type.
# Error codes to names
adoErrors = {
0xE7B: "adErrBoundToCommand",
0xE94: "adErrCannotComplete",
0xEA4: "adErrCantChangeConnection",
0xC94: "adErrCantChangeProvider",
0xE8C: "adErrCantConvertvalue",
0xE8D: "adErrCantCreate",
0xEA3: "adErrCatalogNotSet",
0xE8E: "adErrColumnNotOnThisRow",
0xD5D: "adErrDataConversion",
0xE89: "adErrDataOverflow",
0xE9A: "adErrDelResOutOfScope",
0xEA6: "adErrDenyNotSupported",
0xEA7: "adErrDenyTypeNotSupported",
0xCB3: "adErrFeatureNotAvailable",
0xEA5: "adErrFieldsUpdateFailed",
0xC93: "adErrIllegalOperation",
0xCAE: "adErrInTransaction",
0xE87: "adErrIntegrityViolation",
0xBB9: "adErrInvalidArgument",
0xE7D: "adErrInvalidConnection",
0xE7C: "adErrInvalidParamInfo",
0xE82: "adErrInvalidTransaction",
0xE91: "adErrInvalidURL",
0xCC1: "adErrItemNotFound",
0xBCD: "adErrNoCurrentRecord",
0xE83: "adErrNotExecuting",
0xE7E: "adErrNotReentrant",
0xE78: "adErrObjectClosed",
0xD27: "adErrObjectInCollection",
0xD5C: "adErrObjectNotSet",
0xE79: "adErrObjectOpen",
0xBBA: "adErrOpeningFile",
0xE80: "adErrOperationCancelled",
0xE96: "adErrOutOfSpace",
0xE88: "adErrPermissionDenied",
0xE9E: "adErrPropConflicting",
0xE9B: "adErrPropInvalidColumn",
0xE9C: "adErrPropInvalidOption",
0xE9D: "adErrPropInvalidValue",
0xE9F: "adErrPropNotAllSettable",
0xEA0: "adErrPropNotSet",
0xEA1: "adErrPropNotSettable",
0xEA2: "adErrPropNotSupported",
0xBB8: "adErrProviderFailed",
0xE7A: "adErrProviderNotFound",
0xBBB: "adErrReadFile",
0xE93: "adErrResourceExists",
0xE92: "adErrResourceLocked",
0xE97: "adErrResourceOutOfScope",
0xE8A: "adErrSchemaViolation",
0xE8B: "adErrSignMismatch",
0xE81: "adErrStillConnecting",
0xE7F: "adErrStillExecuting",
0xE90: "adErrTreePermissionDenied",
0xE8F: "adErrURLDoesNotExist",
0xE99: "adErrURLNamedRowDoesNotExist",
0xE98: "adErrUnavailable",
0xE84: "adErrUnsafeOperation",
0xE95: "adErrVolumeNotFound",
0xBBC: "adErrWriteFile",
}
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