Re: [BUGS] [BUG] pg9.4.10 Logical decoding did not get the correct oldtuplelen

On Wed, Dec 28, 2016 at 8:32 PM, anderson <anderson2013@qq.com> wrote:
> reproduce the step:
>
> 1. create table testcase(a int,b int,c text,d text);
>
> 2. ALTER TABLE ONLY testcase REPLICA IDENTITY FULL;
>
> 3. psql  -d postgres -p5559 -c "copy testcase from ‘/tmp/testcase.csv'
> DELIMITER E'\t'  csv QUOTE '''' ";
>
> 4. select
> pg_create_logical_replication_slot('logical_slot','test_decoding');
>
> --update one row
> 5. update testcase set b = 1;
>
> 6. select count(*) from
> pg_logical_slot_peek_binary_changes('logical_slot',NULL,NULL);
> ERROR:  compressed data is corrupt
> --The data length is incorrect and decompression fails

OK, I can see the problem. And I can see as well that things have been
tackled in this area with 9.5 thanks to commit 2c03216d...
--
Michael


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