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authorudovichenko-r <udovichenko-r@yandex-team.com>2024-11-19 14:58:38 +0300
committerudovichenko-r <udovichenko-r@yandex-team.com>2024-11-19 15:16:27 +0300
commit24521403b1c44303e043ba540c09b1fe991c7474 (patch)
tree341d1e7206bc7c143d04d2d96f05b6dc0655606d /yql/essentials/tests/sql/suites/aggregate/group_by_session_extended.sql
parent72b3cd51dc3fb9d16975d353ea82fd85701393cc (diff)
downloadydb-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.sql21
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;