Hi All,

Now (with 4.0.0.1190) works with one (ISQL) client but got "update conflicts with concurrent update" immediately with two or more clients.

Gabor

2018. 08. 23. 17:22 keltezéssel, Gabor Boros írta:
Hi All,

I tried Thomas' test case (see the link below) with the actual snapshot of 4.0 (4.0.0.1170 SS Win32) and got the next error instantly with one ISQL session. No problem with multiple (5) ISQL sessions if set ReadConsistency to 0. Why the engine not wait for concurrent transactions? I am missed something or is it a bug?

"Statement failed, SQLSTATE = 40001
update conflicts with concurrent update
-concurrent transaction number is 3626
-At procedure 'P_INCREMENT' line: 11, col: 7"

https://groups.yahoo.com/neo/groups/firebird-support/conversations/messages/128920

Gabor

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