Странный результат запроса, где В?
select RDB$SET_CONTEXT('USER_TRANSACTION', 'A', 'A')
from RDB$DATABASE
union all
select cv.MON$VARIABLE_NAME||'='||cv.MON$VARIABLE_VALUE
from MON$CONTEXT_VARIABLES cv
where cv.MON$TRANSACTION_ID = current_transaction
union all
select RDB$SET_CONTEXT('USER_TRANSACTION', 'B', 'B')
from RDB$DATABASE
union all
select cv.MON$VARIABLE_NAME||'='||cv.MON$VARIABLE_VALUE
from MON$CONTEXT_VARIABLES cv
where cv.MON$TRANSACTION_ID = current_transaction
0
A=A
0
A=A
сервер FB25 RC2 build 26005
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