Loading image data from DB

Dave Cragg dcragg at lacscentre.co.uk
Wed Apr 5 18:55:25 EDT 2006


On 5 Apr 2006, at 23:37, Devin Asay wrote:

> I know this can be done, but it's got me stumped. Nothing  
> conclusive from archives.
>
> I want to store image data in a  mysql database and then show it in  
> an image object in Rev. I successfully loaded an image into a field  
> of type longblob. I know the data is there and that it's valid.
>
> This is what I tried to load the image data:
>
> global connID -- my connection id
>
> on mouseUp
>   if connID is empty then
>     answer "You need to connect to the database first."
>     exit to top
>   end if
>   put word 2 of the selectedline of fld "linenumbers" into tEntryNum
>   put "select illustration from vocablist where item_index = " &  
> tEntryNum into tQuery
>   put revDataFromQuery(,,connID,tQuery) into tData
>   set the imagedata of img "testImg" to tData
> end mouseUp

Did you try using revQueryDatabaseBlob instead of revDataFromQuery?

Cheers
Dave



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