On 10/21/22 10:50 AM, Les wrote:
Hello,

We had a support request today, and we have narrowed down the problem to a query that behaves very strangely. The actual query was much more complicated, but I came up with this minimal example.

This is what we have seen inside our application:

select * from test where id in (26643094740, 26437091668);

id         |code|regno|col_3|
-----------+----+-----+-----+
26437091668|TA-T| 2632|    1|
26643094740|PEG | 2905|    1|

select * from test where id = 26643094740;

id         |code|regno|col_3|
-----------+----+-----+-----+
26643094740|PEG | 2905|    0|

The problem: value of col_3 changes for id=26643094740 if I query two rows vs. one row. This is without changing any data. The problem is 100% repeatable, if I query two rows from the same view, then I get different data for one of the rows.

I suspect that this is a bug. But I might be wrong. Please help me!

I suspect an index problem. Have you tried reindexing the source table, kap.course if I am following correctly.

Have there been any issues with the database lately, e.g. crash or other significant event?


The actual test view looks like this:



--
Adrian Klaver
adrian.kla...@aklaver.com


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