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jennys avatar image
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Running a Datastream request with more than 50 instruments per request in R Studio

Hi,
I'm tyring to run a static request for a list of stocks in "orig_sample" and get the following error message. Why am I getting this error message - is it because my "orig_sample" contains more than 50 instruments (ie, stock codes)?

static <- mydsws$snapshotRequest(instrument = orig_sample, datatype = c("NAME", "ISIN", "BETA", "ESTAT", "WC07015","INDX" ), requestDate = "0D")
Error requesting data.  HTTP message was: Server error : Internal Server Error : Server error: (500) Internal Server Error
Error in .self$.processSnapshot(format = format, myNumDatatype = myNumDatatype,  : 
  No names to use as column headings in Snapshot.  Items returned for Datatype 1.  Items in Datatype  |
datastream-apidsws-apir-studio
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2 Answers

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Monika.Stankovic avatar image
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@jennys

As we discussed offline there is possibility to divide the file for example:

mydsws <- dsws$new()

myData1 <- mydsws$snapshotRequest(instrument = orig_sample[1:50], datatype = c("NAME", "ISIN", "BETA", "ESTAT", "WC07015", "INDX"), requestDate = "0D")

mydsws <- dsws$new()

myData2 <- mydsws$snapshotRequest(instrument = orig_sample[50:76], datatype = c("NAME", "ISIN", "BETA", "ESTAT", "WC07015", "INDX"), requestDate = "0D")

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Marvin avatar image
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As far as I understood the pdf-File "DSWS for Desktop - user stats and limits", the wording is "advice" rather than a strict limit for up to 50 instruments. If this is not the case, and it is a limit, is it possible to increase that limit individually?

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