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Re: PG8.3->10 migration data differences

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Then fix your field-based data comparing mechanism.

On 09/11/2018 03:41 AM, Csaba Ragasits wrote:
Hello,

We would like to migrate from 8.3 to 10 version. We've hundreds databases with different structures. That reason we're working on an automatic data comparing process.

I've found the following storage settings:
- pg83: Date/time type storage:               64-bit integers
- pg10: Date/time type storage:               64-bit integers

When I running the following select from psql (Select '09/10/18 07:10:25.110'::timestamp;)
The results are same:
-pg83: 2018-09-10 07:10:25.11
-pg10: 2018-09-10 07:10:25.11

When I select it from a table (Select v.entry_timestamp from t_vis v):
The results are different:
- pg83: 2015-08-28 21:25:07.70
- pg10: 2015-08-28 21:25:07.7

The field type:
entry_timestamp TIMESTAMP WITHOUT TIME ZONE NOT NULL,

Our difference every time the last 0 values. The time values are same, but our field based data comparing mechanism every time mark it as error.

thx,
Csaba

--
Angular momentum makes the world go 'round.




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