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Aggregatefunction any supports changelog #692

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@lizhou1111 lizhou1111 commented May 9, 2024

Aggregatefunction any, any_last support changelog.

drop stream if exists test2;
create stream if not exists test2(id int, value string) primary key id settings mode = 'changelog_kv';
select first_value(value) from test2;

Output:

┌─last_value(value)─┐
│                 2 │
└───────────────────┘
┌─last_value(value)─┐
│                 3 │
└───────────────────┘
┌─last_value(value)─┐
│                 1 │
└───────────────────┘
┌─last_value(value)─┐
│                 1 │
└───────────────────┘
┌─last_value(value)─┐
│                 1 │
└───────────────────┘

No retraction operation, we just ignore the data with -1 _tp_delta value, it will implement later.
replate to #678

@lizhou1111 lizhou1111 self-assigned this May 9, 2024
@lizhou1111 lizhou1111 requested a review from yl-lisen May 9, 2024 05:07
@lizhou1111 lizhou1111 added the enhancement New feature or request label May 9, 2024
@Jasmine-ge Jasmine-ge assigned Jasmine-ge and unassigned lizhou1111 Aug 13, 2024
@Jasmine-ge Jasmine-ge force-pushed the feature/issue-678-latest-function-support-changelog branch from 35974fd to 48ab1ef Compare November 1, 2024 08:59
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