public void SetDateTime (OciHandle handle, OciErrorHandle errorHandle,
short year, byte month, byte day,
byte hour, byte min, byte sec, uint fsec, string timezone)
{
// Get size of buffer
ulong rsize = 0;
UIntPtr rsizep = new UIntPtr (rsize);
int status = OciCalls.OCIUnicodeToCharSet (handle, null, timezone, ref rsizep);
// Fill buffer
rsize = rsizep.ToUInt64 ();
byte[] bytes = new byte[rsize];
if (status == 0 && rsize > 0)
OciCalls.OCIUnicodeToCharSet (handle, bytes, timezone, ref rsizep);
if (fsec > 0)
fsec = fsec * 1000000;
uint timezoneSize = (uint) bytes.Length;
OciCalls.OCIDateTimeConstruct (handle,
errorHandle, this.Handle,
year, month, day,
hour, min, sec, fsec,
bytes, timezoneSize);
//uint valid = 0;
//int result = OciCalls.OCIDateTimeCheck (handle,
// errorHandle, this.Handle, out valid);
}
public static void ThrowExceptionIfError (OciHandle hwnd, int status)
{
if (status == 0)
return;
OciErrorInfo info = HandleError (hwnd, status);
throw new OracleException (info.ErrorCode, info.ErrorMessage);
}
public int GetYearToMonth (OciHandle handle, OciErrorHandle errorHandle)
{
int years = 0;
int months = 0;
OciCalls.OCIIntervalGetYearMonth (handle, errorHandle, out years, out months, this.handle);
return ((years * 12) + months);
}
public TimeSpan GetDayToSecond (OciHandle handle, OciErrorHandle errorHandle)
{
int days = 0;
int hours = 0;
int mins = 0;
int secs = 0;
int fsec = 0;
int fs = 0;
OciCalls.OCIIntervalGetDaySecond (handle, errorHandle, out days, out hours,
out mins, out secs, out fsec, this.handle);
if (fsec > 0) {
int fseci = (int) fsec;
fs = fseci / 1000000;
}
return new TimeSpan (days, hours, mins, secs, fs);
}
public static OciErrorInfo HandleError (OciHandle hwnd, int status)
{
OciErrorInfo info;
info.ErrorCode = status;
info.ErrorMessage = OciGlue.ReturnCodeToString (status);
if (status == OciGlue.OCI_ERROR || status == OciGlue.OCI_SUCCESS_WITH_INFO) {
OciHandle h = hwnd;
if (h == null)
throw new Exception ("Internal driver error: handle is null.");
ulong errbufSize = 4096;
UIntPtr errbufSizep = new UIntPtr (errbufSize);
IntPtr errbuf = OciCalls.AllocateClear ((int)errbufSize);
OciCalls.OCIErrorGet (hwnd,
1,
IntPtr.Zero,
out info.ErrorCode,
errbuf,
(uint) errbufSize,
OciHandleType.Error);
byte[] bytea = new byte[errbufSize];
Marshal.Copy (errbuf, bytea, 0, (int)errbufSize);
errbufSize = 0;
// first call to OCICharSetToUnicode gets the size
OciCalls.OCICharSetToUnicode (h, null, bytea, ref errbufSizep);
errbufSize = errbufSizep.ToUInt64 ();
StringBuilder str = new StringBuilder ((int)errbufSize);
// second call to OCICharSetToUnicode gets the string
OciCalls.OCICharSetToUnicode (h, str, bytea, ref errbufSizep);
string errmsg = String.Empty;
if (errbufSize > 0) {
errmsg = str.ToString ();
info.ErrorMessage = String.Copy (errmsg);
}
Marshal.FreeHGlobal (errbuf);
}
return info;
}
public OciBindHandle (OciHandle parent)
: base (OciHandleType.Bind, parent, IntPtr.Zero)
{
}
public OciDateTimeDescriptor (OciHandle parent, IntPtr newHandle)
: base (OciHandleType.TimeStamp, parent, newHandle)
{
}
public OciHandle (OciHandleType type, OciHandle parent, IntPtr newHandle) {
this.type = type;
this.parent = parent;
this.handle = newHandle;
}
public OciLobLocator(OciHandle parent, IntPtr handle)
: base(OciHandleType.LobLocator, parent, handle)
{
}
public OciStatementHandle (OciHandle parent, IntPtr handle)
: base (OciHandleType.Statement, parent, handle)
{
moreResults = false;
}
//OciCredentialType credentialType;
#endregion // Fields
#region Constructors
public OciSessionHandle(OciHandle parent, IntPtr handle)
: base(OciHandleType.Session, parent, handle)
{
}
//OciServiceHandle service;
//OciDataType type;
#endregion // Fields
#region Constructors
public OciParameterDescriptor (OciHandle parent, IntPtr handle)
: base (OciHandleType.Parameter, parent, handle)
{
}
internal OciHandle(OciHandleType type, OciHandle parent, IntPtr newHandle)
{
this.type = type;
this.parent = parent;
this.handle = newHandle;
}
internal OciRowIdDescriptor GetAttributeRowIdDescriptor(OciErrorHandle errorHandle, OciHandle env)
{
OciRowIdDescriptor descriptor = null;
IntPtr outputPtr = IntPtr.Zero;
int outSize = 16;
int status = 0;
OciAttributeType attrType = OciAttributeType.RowId;
outputPtr = OciCalls.AllocateClear(outSize);
uint siz = (uint)outSize;
status = OCIAttrGetRowIdDesc(Handle,
HandleType,
outputPtr,
ref siz,
attrType,
errorHandle);
if (status != 0)
{
OciErrorInfo info = errorHandle.HandleError();
throw new OracleException(info.ErrorCode, info.ErrorMessage);
}
if (outputPtr != IntPtr.Zero && siz > 0)
{
descriptor = (OciRowIdDescriptor)env.Allocate(OciHandleType.RowId);
descriptor.SetHandle(outputPtr);
}
return(descriptor);
}
public OciIntervalDescriptor (OciHandle parent, OciHandleType type, IntPtr newHandle)
: base (type, parent, newHandle)
{
}
public OciBindHandle(OciHandle parent)
: base(OciHandleType.Bind, parent, IntPtr.Zero)
{
}
public OciServerHandle (OciHandle parent, IntPtr newHandle)
: base (OciHandleType.Server, parent, newHandle)
{
}
public OciErrorHandle(OciHandle parent, IntPtr newHandle)
: base(OciHandleType.Error, parent, newHandle)
{
}
// Get NLS Info
//
// handle = OciEnvironmentHandle or OciSessionHandle
// bufflen = Length of byte buffer to allocate to retrieve the NLS info
// item = OciNlsServiceType enum value
//
// if unsure how much you need, use OciNlsServiceType.MAXBUFSZ
internal string GetNlsInfo (OciHandle handle, uint bufflen, OciNlsServiceType item)
{
byte[] buffer = new Byte[bufflen];
OciCalls.OCINlsGetInfo (handle, ErrorHandle,
ref buffer, bufflen, (ushort) item);
// Get length of returned string
ulong rsize = 0;
UIntPtr rsizep = new UIntPtr (rsize);
OciCalls.OCICharSetToUnicode (Environment, null, buffer, ref rsizep);
// Get string
rsize = rsizep.ToUInt64 ();
StringBuilder ret = new StringBuilder ((int)rsize);
OciCalls.OCICharSetToUnicode (Environment, ret, buffer, ref rsizep);
return ret.ToString ();
}
public OciDescriptorHandle (OciHandleType type, OciHandle parent, IntPtr newHandle)
: base (type, parent, newHandle)
{
}
public OciTransactionHandle (OciHandle parent, IntPtr handle)
: base (OciHandleType.Transaction, parent, handle)
{
}
public OciTransactionHandle(OciHandle parent, IntPtr handle)
: base(OciHandleType.Transaction, parent, handle)
{
}
internal OciDefineHandle(OciHandle parent, IntPtr newHandle)
: base(OciHandleType.Define, parent, newHandle)
{
}
public OciServerHandle(OciHandle parent, IntPtr newHandle)
: base(OciHandleType.Server, parent, newHandle)
{
}
protected virtual void Dispose (bool disposing) {
if (!disposed) {
FreeHandle ();
if (disposing) {
parent = null;
}
disposed = true;
}
}
public DateTime GetDateTime (OciHandle handle, OciErrorHandle errorHandle)
{
short year = 0;
byte month = 0;
byte day = 0;
byte hour = 0;
byte min = 0;
byte sec = 0;
uint fsec = 0;
int fs = 0;
OciCalls.OCIDateTimeGetDate (handle, errorHandle, this.Handle,
out year, out month, out day);
OciCalls.OCIDateTimeGetTime (handle, errorHandle, this.Handle,
out hour, out min, out sec, out fsec);
// a TIMESTAMP can have up to 9 digits of millisecond but DateTime only
// can be up to 999.
if (fsec > 0) {
int fseci = (int) fsec;
fs = fseci / 1000000;
}
return new DateTime(year, month, day, hour, min, sec, fs);
}
public OciRowIdDescriptor (OciHandle parent, IntPtr newHandle)
: base (OciHandleType.RowId, parent, newHandle)
{
}
public OciErrorHandle (OciHandle parent, IntPtr newHandle)
: base (OciHandleType.Error, parent, newHandle)
{
}
internal OciRowIdDescriptor GetAttributeRowIdDescriptor (OciErrorHandle errorHandle, OciHandle env)
{
OciRowIdDescriptor descriptor = null;
IntPtr outputPtr = IntPtr.Zero;
int outSize = 16;
int status = 0;
OciAttributeType attrType = OciAttributeType.RowId;
outputPtr = OciCalls.AllocateClear (outSize);
uint siz = (uint) outSize;
status = OCIAttrGetRowIdDesc (Handle,
HandleType,
outputPtr,
ref siz,
attrType,
errorHandle);
if (status != 0) {
OciErrorInfo info = errorHandle.HandleError ();
throw new OracleException (info.ErrorCode, info.ErrorMessage);
}
if (outputPtr != IntPtr.Zero && siz > 0) {
descriptor = (OciRowIdDescriptor) env.Allocate(OciHandleType.RowId);
descriptor.SetHandle (outputPtr);
}
return descriptor;
}
//OciServiceHandle service;
//OciDataType type;
#endregion // Fields
#region Constructors
public OciParameterDescriptor(OciHandle parent, IntPtr handle)
: base(OciHandleType.Parameter, parent, handle)
{
}
public static OciErrorInfo HandleError (OciHandle hand)
{
OciErrorInfo info;
info.ErrorCode = 0;
info.ErrorMessage = String.Empty;
ulong errbufSize = 4096;
UIntPtr errbufSizep = new UIntPtr (errbufSize);
IntPtr errbuf = OciCalls.AllocateClear ((int)errbufSize);
OciCalls.OCIErrorGet (hand,
1,
IntPtr.Zero,
out info.ErrorCode,
errbuf,
(uint) errbufSize,
OciHandleType.Error);
byte[] bytea = new byte[errbufSize];
Marshal.Copy (errbuf, bytea, 0, (int)errbufSize);
errbufSize = 0;
OciHandle h = hand.Parent;
if (h == null)
h = hand;
if (h == null)
throw new Exception ("Internal driver error: handle is null.");
// first call to OCICharSetToUnicode gets the size
OciCalls.OCICharSetToUnicode (h, null, bytea, ref errbufSizep);
errbufSize = errbufSizep.ToUInt64 ();
StringBuilder str = new StringBuilder ((int)errbufSize);
// second call to OCICharSetToUnicode gets the string
OciCalls.OCICharSetToUnicode (h, str, bytea, ref errbufSizep);
string errmsg = String.Empty;
if (errbufSize > 0)
errmsg = str.ToString ();
else
errmsg = "Internal driver error. Could not retrieve error message.";
info.ErrorMessage = String.Copy (errmsg);
Marshal.FreeHGlobal (errbuf);
return info;
}
public OciDateTimeDescriptor(OciHandle parent, IntPtr newHandle)
: base(OciHandleType.TimeStamp, parent, newHandle)
{
}
public OciRowIdDescriptor(OciHandle parent, IntPtr newHandle)
: base(OciHandleType.RowId, parent, newHandle)
{
}
public OciLobLocator (OciHandle parent, IntPtr handle)
: base (OciHandleType.LobLocator, parent, handle)
{
}
internal OciDefineHandle (OciHandle parent, IntPtr newHandle)
: base (OciHandleType.Define, parent, newHandle)
{
}
public OciStatementHandle(OciHandle parent, IntPtr handle)
: base(OciHandleType.Statement, parent, handle)
{
moreResults = false;
}
//OciCredentialType credentialType;
#endregion // Fields
#region Constructors
public OciSessionHandle (OciHandle parent, IntPtr handle)
: base (OciHandleType.Session, parent, handle)
{
}
internal OciDescriptorHandle(OciHandleType type, OciHandle parent, IntPtr newHandle)
: base(type, parent, newHandle)
{
}
public OciServiceHandle (OciHandle parent, IntPtr handle)
: base (OciHandleType.Service, parent, handle)
{
}
public OciServiceHandle(OciHandle parent, IntPtr handle)
: base(OciHandleType.Service, parent, handle)
{
}