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Resolved Using PBNI to access a DataStore

  1. How-to
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  1. Roland Smith
    Roland Smith
  2. PowerBuilder
  3. Saturday, 11 May 2024 05:30 AM UTC

I am trying to figure out how to access data from a datastore in a C++ PBNI extension. I'm passing a ResultSet object to the PBNI extension.

This is the entire code example for the GetItemData method:

d_rsAccessor->GetItemData(1, 1, &sd);

It doesn't show how to declare sd. 

I have the GetColumnMetaData method working so I have the column number, name, datatype, and width.

Any help would be appreciated.

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Responses (1)
Brad Mettee
Brad Mettee Accepted Answer Pending Moderation
  1. Saturday, 11 May 2024 16:20 PM UTC
  2. PowerBuilder
  3. # 1

From the looks of the declaration of the function in the PBNI docs, you declare sd like this:
IPB_RSItemData sd;

and call it
d_rsAccessor->GetItemData(1, 1, &sd)

OR declare it like this:

IPB_RSItemData *sd;
use alloc (or one of it's friends) to assign memory to it:
sd = alloc(sizeof(sd));

and call it like this
d_rsAccessor->GetItemData(1, 1, sd)

 

Hope this helps

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