[FIXED] SQLStore: panic when updating subscriptions pending state #828
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Issue was due to the fact that we were not keeping track of the
maximum row number, so if a subscription that are pending state
saved in row 1 and 3 and the last recovered subscription had
state in row 2, and then the next update was for the first subscription
the SQL statement would have tried to add a row with ID 3 which
already existed.
Resolves #741
Signed-off-by: Ivan Kozlovic ivan@synadia.com