ES|QL random sample

[jan-elastic]

Squashed commit of the following:

commit dd0bd21b53abf186199dbcab17bc3a9a4bf4c9d9
Author: Jan Kuipers [email protected]
Date: Thu Mar 27 10:22:53 2025 +0100

remove extra changelog

commit 2dfd7cb
Author: Jan Kuipers [email protected]
Date: Wed Mar 26 16:43:43 2025 +0100

fix random sample csv tests

commit dcaf2aa
Author: Jan Kuipers [email protected]
Date: Wed Mar 26 15:11:00 2025 +0100

spotless

commit cfe0f19
Author: Jan Kuipers [email protected]
Date: Wed Mar 26 14:56:53 2025 +0100

Refactor sample correction once more

commit 6b4696e
Merge: 1a6bf4d 0e0214d
Author: Jan Kuipers [email protected]
Date: Wed Mar 26 14:01:19 2025 +0100

Merge branch 'main' of github.com:elastic/elasticsearch into feat/random_sample

commit 1a6bf4d
Author: Jan Kuipers [email protected]
Date: Wed Mar 26 12:41:07 2025 +0100

Refactor sample correction

commit d7b9434
Author: Jan Kuipers [email protected]
Date: Wed Mar 26 08:43:42 2025 +0100

don't correct multiple stats

commit 3d6947d
Author: Jan Kuipers [email protected]
Date: Tue Mar 25 11:04:20 2025 +0100

Update docs/changelog/125570.yaml

commit 8f55e07
Author: Jan Kuipers [email protected]
Date: Tue Mar 18 12:35:10 2025 +0100

correct aggregations for random sampling

commit 38441b9
Author: Jan Kuipers [email protected]
Date: Tue Mar 25 09:57:58 2025 +0100

Simplify RandomSampleOperator

commit 0063737
Author: Bogdan Pintea [email protected]
Date: Thu Mar 6 13:21:49 2025 +0100

Make CsvTests more node-count-induced variation tollerant

commit 8fbc684
Merge: 213634e 47706b5
Author: Bogdan Pintea [email protected]
Date: Wed Mar 5 22:06:47 2025 +0100

Merge remote-tracking branch 'upstream/main' into feat/random_sample

commit 213634e
Author: elasticsearchmachine [email protected]
Date: Wed Mar 5 19:49:18 2025 +0000

[CI] Auto commit changes from spotless

commit e5de4bf
Merge: 0f9600c a92b1d6
Author: Bogdan Pintea [email protected]
Date: Wed Mar 5 20:40:16 2025 +0100

Merge remote-tracking branch 'upstream/main' into feat/random_sample

commit 0f9600c
Author: Bogdan Pintea [email protected]
Date: Wed Mar 5 20:29:05 2025 +0100

Make seed parameter optional. Various fixes

commit 3cbd508
Author: Bogdan Pintea [email protected]
Date: Wed Mar 5 16:17:07 2025 +0100

Add non-operator-related tests

commit 15afc08
Author: elasticsearchmachine [email protected]
Date: Mon Mar 3 14:15:57 2025 +0000

[CI] Auto commit changes from spotless

commit 7abf28d
Author: Bogdan Pintea [email protected]
Date: Mon Mar 3 15:06:44 2025 +0100

Update docs/changelog/123879.yaml

commit 36acb35
Author: Bogdan Pintea [email protected]
Date: Mon Mar 3 15:00:42 2025 +0100

Add a random sample commadn

This adds RANDOM_SAMPLE <probability> <seed>? command.

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