Hi all,

I have a table that has data that looks something like this (fixed font on):

UserID  MessageID       MessageState
1               1               PENDING
1               2               PENDING
2               3               FAILED
3               4               DELIVERED
2               5               ACCEPTED
2               6               DELIVERED
1               7               DELIVERED

and so on.

I am trying to work out a query that for a given UserID will tell me how
many messages are in which state, without having knowledge of the possible
states.

Using the above data, a query on UserID 1 would return:
PENDING 2
DELIVERED       1

a query on UserID 2 would return:
FAILED  1
ACCEPTED        1
DELIVERED       1

Is this possible and can anyone point me in the right direction to do it
please? I know how to get a count for all the pending messages for a
particular user ID (SELECT count(MessageID) WHERE UserID='1' AND
MessageState='PENDING'), but I am not sure how to get a new row for each
message type.

Cheers,

Ben


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