internal int key_range(DB_TXN txn, DatabaseEntry key, DB_KEY_RANGE range, uint flags)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_key_range(swigCPtr, DB_TXN.getCPtr(txn), DBT.getCPtr(DatabaseEntry.getDBT(key)), DB_KEY_RANGE.getCPtr(range), flags);
DatabaseException.ThrowException(ret);
return(ret);
} finally {
GC.KeepAlive(key);
}
}
internal int key_range(DB_TXN txn, DatabaseEntry key, DB_KEY_RANGE range, uint flags)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_key_range(swigCPtr, DB_TXN.getCPtr(txn), DBT.getCPtr(DatabaseEntry.getDBT(key)), DB_KEY_RANGE.getCPtr(range), flags);
DatabaseException.ThrowException(ret);
return ret;
} finally {
GC.KeepAlive(key);
}
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(DB_KEY_RANGE obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
internal static HandleRef getCPtr(DB_KEY_RANGE obj)
{
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
/// <summary>
/// Return an estimate of the proportion of keys that are less than,
/// equal to, and greater than the specified key.
/// </summary>
/// <param name="key">The key to search for</param>
/// <param name="txn">
/// If the operation is part of an application-specified transaction,
/// <paramref name="txn"/> is a Transaction object returned from
/// <see cref="DatabaseEnvironment.BeginTransaction"/>; if
/// the operation is part of a Berkeley DB Concurrent Data Store group,
/// <paramref name="txn"/> is a handle returned from
/// <see cref="DatabaseEnvironment.BeginCDSGroup"/>; otherwise null.
/// </param>
/// <returns>
/// An estimate of the proportion of keys that are less than, equal to,
/// and greater than the specified key.
/// </returns>
public KeyRange KeyRange(DatabaseEntry key, Transaction txn)
{
DB_KEY_RANGE range = new DB_KEY_RANGE();
db.key_range(Transaction.getDB_TXN(txn), key, range, 0);
return new KeyRange(range);
}
internal KeyRange(DB_KEY_RANGE keyRange) {
kr = keyRange;
}
internal static HandleRef getCPtr(DB_KEY_RANGE obj)
{
return((obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr);
}