Excuse me, when we wrote Dataplugin, we found that when there is a lot of historical data,
For example, in GetQuoteEx function then nSize = 6655225 , nLastValid = 6655224 ,
I want to add tick data with 50 tick. How do I do it?
How to set nSize > nLastValid more then 1000 or some other size
It is the end user who decides how much data he/she wants, not the plugin. The end user sets the limit and you should just present nSize most recent ticks/bars. If you have more, discard oldest, replace with newest.
Many thanks for Your Answer ,
This is also the place I don't understand because I am at
Data Plugin Database setting
Number of bars is set to 500000,
However, I used debug to receive the GetQuoteEx
nLastValid = 6655224 , and nSize = 6655225
Obviously nSize is greater than 500000
So come to ask you advanced
You may have imported data using ASCII importer earlier. Such data won't be removed.
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I am using ASCII importer earlier. so how to add tick data in this way
I am a registered user.
Sorry, I forgot to ask a question with a registered account.
Thank you for reminding
In the case of this case, how can we not discard old data and add new data?
And I am wrong, nSize = 6655225, and nLastValid = 6655224
All the pQuote buffers are filled with data, so you cannot add data, without discarding old data.
I answered already in earlier post.