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Robert Lyon authored
Older sites can end up with duplicate rows in the blocktype_externalfeed_data for the same url. This causes problems if the site is using latest mahara as it stops one being able to add /edit a feed if there are duplicate rows for that feed's url. Change-Id: I47ee3952dbe75b5643adf55105a9219a3e3e8cd9 Signed-off-by: Robert Lyon <robertl@catalyst.net.nz> Signed-off-by: Aaron Wells <aaronw@catalyst.net.nz>
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