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authorAlexander Smirnov <alex@ydb.tech>2024-11-20 11:14:58 +0000
committerAlexander Smirnov <alex@ydb.tech>2024-11-20 11:14:58 +0000
commit31773f157bf8164364649b5f470f52dece0a4317 (patch)
tree33d0f7eef45303ab68cf08ab381ce5e5e36c5240 /yql/essentials/tests/sql/suites/sampling/reduce.sql
parent2c7938962d8689e175574fc1e817c05049f27905 (diff)
parenteff600952d5dfe17942f38f510a8ac2b203bb3a5 (diff)
downloadydb-31773f157bf8164364649b5f470f52dece0a4317.tar.gz
Merge branch 'rightlib' into mergelibs-241120-1113
Diffstat (limited to 'yql/essentials/tests/sql/suites/sampling/reduce.sql')
-rw-r--r--yql/essentials/tests/sql/suites/sampling/reduce.sql11
1 files changed, 11 insertions, 0 deletions
diff --git a/yql/essentials/tests/sql/suites/sampling/reduce.sql b/yql/essentials/tests/sql/suites/sampling/reduce.sql
new file mode 100644
index 0000000000..0f72b64380
--- /dev/null
+++ b/yql/essentials/tests/sql/suites/sampling/reduce.sql
@@ -0,0 +1,11 @@
+/* postgres can not */
+/* custom check: len(yt_res_yson[0]['Write'][0]['Data']) < 8 */
+USE plato;
+
+$udf = YQL::@@(lambda '(key stream) (AsStruct
+ '('key key) '('summ (Collect (Condense stream (Uint32 '0) (lambda '(item state) (Bool 'False)) (lambda '(item state) (Add state item)))))
+))@@;
+
+$res = (REDUCE Input TABLESAMPLE BERNOULLI(30) REPEATABLE(1) ON key USING $udf(cast(value as uint32) ?? 0));
+
+select * from $res order by key;