diff options
author | udovichenko-r <udovichenko-r@yandex-team.com> | 2024-11-19 14:58:38 +0300 |
---|---|---|
committer | udovichenko-r <udovichenko-r@yandex-team.com> | 2024-11-19 15:16:27 +0300 |
commit | 24521403b1c44303e043ba540c09b1fe991c7474 (patch) | |
tree | 341d1e7206bc7c143d04d2d96f05b6dc0655606d /yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql | |
parent | 72b3cd51dc3fb9d16975d353ea82fd85701393cc (diff) | |
download | ydb-24521403b1c44303e043ba540c09b1fe991c7474.tar.gz |
YQL-19206 Move contrib/ydb/library/yql/tests/sql/suites -> yql/essentials/tests/sql/suites
commit_hash:d0ef1f92b09c94db7c2408f946d2a4c62b603f00
Diffstat (limited to 'yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql')
-rw-r--r-- | yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql b/yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql new file mode 100644 index 0000000000..1b9af1d0d8 --- /dev/null +++ b/yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql @@ -0,0 +1,21 @@ +/* syntax version 1 */ +/* postgres can not */ + +$init = ($row) -> (AsStruct($row.ts ?? 0 as value, 1 as count)); + +$calculate = ($_row, $state) -> ($state.value); +-- split partition into two-element grooups, make session key to be cumulative sum of ts from partition start +$update = ($row, $state) -> { + $state = AsStruct($state.count + 1 as count, $state.value as value); + $state = AsStruct($state.count as count, $state.value + ($row.ts ?? 0) as value); + return AsTuple(Unwrap($state.count % 2) == 1, $state); +}; + +SELECT + user, + SessionStart() as session_start, + ListSort(AGGREGATE_LIST(ts ?? 100500)) as session, + COUNT(1) as session_len +FROM plato.Input +GROUP BY SessionWindow(ts, $init, $update, $calculate), user +ORDER BY user, session_start; |