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[amibroker] Database EOD values gone on Intraday backfill



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I have a database that is populated by MSN for EOD values (forex).  The symbol is EUR.USD-IDEALPRO-CASH, I use the symbol translation table in Amiquote to obtain the EOD data.  

In the database setting I have checked "allow mixed EOD/intraday".

At this point I have years of EOD data for EUR.USD.  Then I turn on the IB data plugin and backfill 20 days of 1 minute data.  At this point two really strange things happen;

1.  No matter what the backfill length is set to (except 180 days), I get 5 days of data (6/6 when backfilling).  Even changing the 1 minute backfill to 1 hour doesn't change the number of days.  When I use 180 days it works but says 36/36.  I don't understand this behavour.

2. All the EOD data is gone, ALL of it.  All I have now is the intraday backfill from IB.  

Any help appeciated to solve this.  I think what I'm looking for is obvious, I'd like all the data to remain and be able to used mixed intra and EOD so I can zoom in and out from 1 minute to weekly charts.  



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