The following table shows recommended actions with the different combinations
of the Allocate, StopCondition,
and TransactionMode configuration properties.
Table 5-1: State,
event, action table for transaction management
Configuration
property states and conditions
|
Event
|
Action
|
|---|
TransactionMode = short
Allocate = request
StopCondition = error or warning
|
If StopCondition is encountered
|
Roll back transaction
at StopCondition. Do not continue in request.
End the connection.
|
If end of
request with no StopCondition
|
Commit transaction and
end the connection.
|
If begin
transaction is encountered in request
|
Commit transaction. Switch
to temporary long transaction mode and turn
on begin transaction.
|
If commit or rollback is encountered
|
Issue the commit or rollback.
|
If cursor
declare or dynamic prepare is encountered
|
Commit transaction. Switch
to long transaction mode.
|
TransactionMode = short
Allocate = request
StopCondition = none
|
If error
or warning is encountered
|
Do not roll back. Continue
in request. Keep the connection until end of request.
|
If end of
request
|
Commit transaction and
end the connection.
|
If begin
transaction is encountered in request
|
Commit transaction. Switch
to temporary long transaction mode and turn
on begin transaction.
|
If commit or rollback is encountered
|
Issue the commit or rollback.
|
If cursor
declare or dynamic prepare is encountered
|
Commit transaction. Switch
to long transaction mode.
|
TransactionMode = short
Allocate = connect
StopCondition = error or warning
|
If StopCondition is encountered
|
Roll back transaction
at StopCondition. Do not continue in request.
Keep the connection.
|
If end of
request with no StopCondition
|
Commit transaction and
keep the connection.
|
If begin
transaction is encountered in request
|
Commit transaction. Switch
to temporary long transaction mode and turn
on begin transaction.
|
If commit or rollback is encountered
|
Issue the commit or rollback.
|
If cursor
declare or dynamic prepare is encountered
|
Commit transaction. Switch
to long transaction mode.
|
TransactionMode = short
Allocate = connect
StopCondition = none
|
If error
or warning is encountered
|
Do not roll back. Continue
in request and keep the connection.
|
If end of
request with no StopCondition
|
Commit transaction and
keep the connection.
|
If begin
transaction is encountered in request
|
Commit transaction. Switch
to temporary long transaction mode and turn
on begin transaction.
|
If commit or rollback is encountered
|
Issue the commit or rollback.
|
If cursor
declare or dynamic prepare is encountered
|
Commit transaction. Switch
to long transaction mode.
|
TransactionMode = long or temporary long
Allocate = request or connect
StopCondition = error or warning
|
If StopCondition is encountered
|
Do not roll back transaction
at StopCondition. Do not continue in request.
Keep the connection.
|
If end of
request with no StopCondition
|
Keep the connection.
|
If end of
request with commit or rollback
|
End the connection.
|
If begin
transaction is encountered in request
|
If not in begin
transaction block, set begin transaction.
If in begin transaction block, then ignore. Issue
message.
|
If commit or rollback is encountered
|
Issue the commit or rollback.
If in begin transaction block, end begin transaction.
|
If cursor
declare or dynamic prepare is encountered
|
Execute statement.
|
Same, plus cursor and dynamic statements
all freed and in temporary long mode
|
If commit or rollback is encountered
|
Issue the commit or rollback.
End begin transaction. Revert to previous transaction
mode.
|
Same, plus cursor and dynamic statements active and
in temporary long mode
|
If Free of
a cursor or dynamic means
that all cursors and dynamics are
now freed
|
Execute free.
If not in begin transaction block, revert to previous
transaction mode.
|
TransactionMode = long or temporary long
Allocate = request or connect
StopCondition = none
|
If StopCondition is encountered
|
Do not roll back transaction
at StopCondition. Continue in request and keep
the connection.
|
If end of
request with no StopCondition
|
Keep the connection.
|
If end of
request with commit or rollback
|
End the connection.
|
If begin
transaction is encountered in request
|
If not in begin
transaction block, set begin transaction.
If in begin transaction block, then ignore. Issue
message.
|
TransactionMode = long or temporary long
Allocate = request or connect
StopCondition = none
|
If commit or rollback is encountered
|
Issue the commit or rollback.
If in begin transaction block, end begin transaction.
|
If cursor
declare or dynamic prepare is encountered
|
Execute statement.
|
Same, plus cursor and dynamic statements
all freed and in temporary long mode
|
If commit or rollback is encountered
|
Issue the commit or rollback.
End begin transaction. Revert to previous transaction
mode.
|
Same, plus cursor and dynamic statements active and
in temporary long mode
|
If Free of
a cursor or dynamic, all cursors and dynamics are
now freed
|
Execute free.
If not in begin transaction block, revert to previous
transaction mode.
|
