/// <summary>
/// </summary>
/// <param name="tx"></param>
/// <param name="page"></param>
/// <returns></returns>
public static OverflowPage ModifyPage(this ILowLevelTransaction tx, OverflowPage page)
{
var newPage = tx.ModifyPage(page.StoreId, page.PageNumber);
if (newPage == null)
{
throw new InvalidOperationException($"modify page failed,pagerid:{page.StoreId},pagenumber:{page.PageNumber}");
}
return(newPage.AsOverflow());
}
private bool ModifyEntry(TreePageEntry entry, ILowLevelTransaction tx)
{
var lastMatch = entry.LastMatch;
var lastMatchIndex = entry.LastMatchIndex;
var newPage = tx.ModifyPage(entry.Page);
if (newPage == null)
{
return(false);
}
entry.Page = newPage;
entry.LastMatch = lastMatch;
entry.LastMatchIndex = lastMatchIndex;
State.OnChanged(entry.Page, TreePageChangeFlags.Modify);
return(true);
}
/// <summary>
/// </summary>
/// <param name="tx"></param>
/// <param name="page"></param>
/// <returns></returns>
public static Page ModifyPage(this ILowLevelTransaction tx, int storeId, long pageNumber)
{
return(tx.ModifyPage(new PageNumberInfo(storeId, pageNumber)));
}