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authorrobot-piglet <robot-piglet@yandex-team.com>2024-12-13 15:14:50 +0300
committerrobot-piglet <robot-piglet@yandex-team.com>2024-12-13 16:07:36 +0300
commit5cbdc6f2bc811da3e6104da774a30b25a54a8708 (patch)
tree68f3ddb0d928332e5ea73853f40f4670f4babb65 /yql/essentials/tests/s-expressions/suites/Optimizers/TakeLimitAfterGroup.yqls
parent1402a032649d20ffb80a541f706afcd31cd897fa (diff)
downloadydb-5cbdc6f2bc811da3e6104da774a30b25a54a8708.tar.gz
Intermediate changes
commit_hash:27af5f8a0a7836d78ffdc205213f07f79dd9f7ad
Diffstat (limited to 'yql/essentials/tests/s-expressions/suites/Optimizers/TakeLimitAfterGroup.yqls')
-rw-r--r--yql/essentials/tests/s-expressions/suites/Optimizers/TakeLimitAfterGroup.yqls34
1 files changed, 34 insertions, 0 deletions
diff --git a/yql/essentials/tests/s-expressions/suites/Optimizers/TakeLimitAfterGroup.yqls b/yql/essentials/tests/s-expressions/suites/Optimizers/TakeLimitAfterGroup.yqls
new file mode 100644
index 0000000000..d0fa6fb1dd
--- /dev/null
+++ b/yql/essentials/tests/s-expressions/suites/Optimizers/TakeLimitAfterGroup.yqls
@@ -0,0 +1,34 @@
+(
+(let mr_source (DataSource 'yt 'plato))
+(let x (Read! world mr_source
+ (Key '('table (String 'Input)))
+ (Void) '()))
+(let world (Left! x))
+(let table1 (Right! x))
+
+(let keyExtractor (lambda '(item) (Member item 'key)))
+(let handler (lambda '(stream) (FlatMap stream (lambda '(pair) (block '(
+ (let key (Nth pair '0))
+ (let list (ForwardList (Nth pair '1)))
+ (let s (Struct))
+ (let s (AddMember s 'key key))
+ (let s (AddMember s 'subkey (String '.)))
+ (let f (Fold list (Uint64 '0) (lambda '(item state) (block '(
+ (let value (Coalesce (FromString (Member item 'subkey) 'Uint64) (Uint64 '0)))
+ (return (+ value state))
+ )))))
+ (let s (AddMember s 'value (ToString f)))
+ (return (Just s))
+))))))
+
+(let table2 (PartitionByKey table1 keyExtractor (Void) (Void) handler))
+(let table2 (Take table2 (Uint64 '4)))
+(let table2 (Sort table2 (Bool 'true) (lambda '(item) (Member item 'value))))
+(let res_sink (DataSink 'result))
+(let world (Write! world res_sink
+ (Key)
+ table2 '()))
+
+(let world (Commit! world res_sink))
+(return world)
+)