Thanks. I will look into this.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp

> Thank you very much for your answer, the database only has one table with one 
> column of type integer. 
> In the first node, the table only has one value (1), in the other node , the 
> table is empty, but failover never take place when I execute this statement 
> "UPDATE tabla1 set id = 2 where id = 1;" . 
> Can you help me to resolve this problem? 
> Regards. 
> Thank you very much for your time. 
> 
> ----- "Tatsuo Ishii" <[email protected]> escribi$(D+Q(B: 
>> > Hello every one. 
>> > I have this problem. 
>> > I have one database in two nodes, I use Pgpool-II version 2.3.3. 
>> > This database has one table, in the first node (master) there is a table 
>> > with one record and in the other node this table there isn't any record, 
>> > but when I execute a Select or Update over this table, the secondary node 
>> > is never degenerate (failover is not perform). 
>> 
>> Can you please provide self contained test case? i.e. the SQL and 
>> table data please. 
>> -- 
>> Tatsuo Ishii 
>> SRA OSS, Inc. Japan 
>> English: http://www.sraoss.co.jp/index_en.php 
>> Japanese: http://www.sraoss.co.jp 
>> 
>> > I tested this problem in Pgpool-II version 3.0.1 and I have the same 
>> > situation. 
>> > 
>> > pgpool.conf of Pgpool-II version 2.3.3. 
>> > replication_stop_on_mismatch = true 
>> > 
>> > pgpool.conf of Pgpool-II version 2.3.3. 
>> > replication_stop_on_mismatch = true 
>> > failover_if_affected_tuples_mismatch = true 
>> > 
>> > The documentation of pgpool says: 
>> > failover_if_affected_tuples_mismatch 
>> > 
>> > When set to true, if a backend returns number of affected tuples by 
>> > INSERT/UPDATE/DELETE different between the backends, the backends that 
>> > differ from most frequent result set are degenerated. If set to false, the 
>> > session is terminated and the backends are not degenerated. Default is 
>> > false. replication_stop_on_mismatch 
>> > 
>> > When set to true, if a backend returns packet kind different between the 
>> > backends, the backends that differ from most frequent result set are 
>> > degenerated. Typical use case is the SELECT statement is part of a 
>> > transaction and replicate_select is set to true, and SELECT returns 
>> > diffrent number of rows among backends. Other than SELECT statement might 
>> > trigger this though. For example, a backend succeeded in an UPDATE, while 
>> > others failed. Also please note that pgpool does NOT examine content of 
>> > records returned from SELECT. If set to false, the session is terminated 
>> > and the backends are not degenerated. Default is false. 
>> > Anyone knows why is it? 
>> > 
>> > Regards. 
>> > Thank you very much for your time. 
>> > 
>>
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