/// <summary>
/// Sets the prefix comparison function
/// </summary>
/// <remarks>
/// This method wraps the native ham_set_prefix_compare_func function.<br />
/// <br />
/// The <see cref="PrefixCompareFunc" /> delegate is called when an index
/// uses keys with variable length, and at least one of the keys
/// is loaded only partially.<br />
/// <br />
/// If <paramref name="foo"/> is null, hamsterdb will use the default
/// prefix compare function (which is based on memcmp(3)).<br />
/// </remarks>
/// <param name="foo">The prefix compare delegate, or null</param>
public void SetPrefixCompareFunc(PrefixCompareFunc foo)
{
int st;
lock (this) {
st = NativeMethods.SetPrefixCompareFunc(handle,
pinnedPrefixCompareFunc);
}
if (st != 0)
{
throw new DatabaseException(st);
}
PrefixCompareFoo = foo;
}
/// <summary>
/// Sets the prefix comparison function
/// </summary>
/// <remarks>
/// This method wraps the native ham_set_prefix_compare_func function.<br />
/// <br />
/// The <see cref="PrefixCompareFunc" /> delegate is called when an index
/// uses keys with variable length, and at least one of the keys
/// is loaded only partially.<br />
/// <br />
/// If <paramref name="foo"/> is null, hamsterdb will use the default
/// prefix compare function (which is based on memcmp(3)).<br />
/// </remarks>
/// <param name="foo">The prefix compare delegate, or null</param>
public void SetPrefixCompareFunc(PrefixCompareFunc foo)
{
int st;
lock (this) {
st = NativeMethods.SetPrefixCompareFunc(handle,
pinnedPrefixCompareFunc);
}
if (st != 0)
throw new DatabaseException(st);
PrefixCompareFoo = foo;
}