internal int compact(DB_TXN txn, DatabaseEntry start, DatabaseEntry stop, DB_COMPACT cdata, uint flags, DatabaseEntry end)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_compact(swigCPtr, DB_TXN.getCPtr(txn), DBT.getCPtr(DatabaseEntry.getDBT(start)), DBT.getCPtr(DatabaseEntry.getDBT(stop)), DB_COMPACT.getCPtr(cdata), flags, DBT.getCPtr(DatabaseEntry.getDBT(end)));
DatabaseException.ThrowException(ret);
return(ret);
} finally {
GC.KeepAlive(start);
GC.KeepAlive(stop);
GC.KeepAlive(end);
}
}
internal int compact(DB_TXN txn, DatabaseEntry start, DatabaseEntry stop, DB_COMPACT cdata, uint flags, DatabaseEntry end)
{
try {
int ret;
ret = libdb_csharpPINVOKE.DB_compact(swigCPtr, DB_TXN.getCPtr(txn), DBT.getCPtr(DatabaseEntry.getDBT(start)), DBT.getCPtr(DatabaseEntry.getDBT(stop)), DB_COMPACT.getCPtr(cdata), flags, DBT.getCPtr(DatabaseEntry.getDBT(end)));
DatabaseException.ThrowException(ret);
return ret;
} finally {
GC.KeepAlive(start);
GC.KeepAlive(stop);
GC.KeepAlive(end);
}
}
/// <summary>
/// Return pages to the filesystem that are already free and at the end
/// of the file.
/// </summary>
/// <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>
/// The number of database pages returned to the filesystem
/// </returns>
public uint TruncateUnusedPages(Transaction txn)
{
DB_COMPACT cdata = new DB_COMPACT();
db.compact(Transaction.getDB_TXN(txn),
null, null, cdata, DbConstants.DB_FREELIST_ONLY, null);
return cdata.compact_pages_truncated;
}
internal CompactData(DB_COMPACT dbcompact, DatabaseEntry end)
{
cdata = dbcompact;
_end = end;
}
private void doCompaction()
{
cdata = new DB_COMPACT();
if (fillPctSet)
cdata.compact_fillpercent = fillpct;
if (pgsSet)
cdata.compact_pages = pgs;
if (tmoutSet)
cdata.compact_timeout = tmout;
}
internal static HandleRef getCPtr(DB_COMPACT obj) {
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
internal static HandleRef getCPtr(DB_COMPACT obj)
{
return((obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr);
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(DB_COMPACT obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
