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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/s-expressions/suites/ManyYamrOperations/ReduceThenSort.yql
parent2c7938962d8689e175574fc1e817c05049f27905 (diff)
parenteff600952d5dfe17942f38f510a8ac2b203bb3a5 (diff)
downloadydb-31773f157bf8164364649b5f470f52dece0a4317.tar.gz
Merge branch 'rightlib' into mergelibs-241120-1113
Diffstat (limited to 'yql/essentials/tests/s-expressions/suites/ManyYamrOperations/ReduceThenSort.yql')
-rw-r--r--yql/essentials/tests/s-expressions/suites/ManyYamrOperations/ReduceThenSort.yql24
1 files changed, 24 insertions, 0 deletions
diff --git a/yql/essentials/tests/s-expressions/suites/ManyYamrOperations/ReduceThenSort.yql b/yql/essentials/tests/s-expressions/suites/ManyYamrOperations/ReduceThenSort.yql
new file mode 100644
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+++ b/yql/essentials/tests/s-expressions/suites/ManyYamrOperations/ReduceThenSort.yql
@@ -0,0 +1,24 @@
+(
+#comment
+(let mr_source (DataSource 'yt 'plato))
+(let x (Read! world mr_source (Key '('table (String 'Input))) '('key 'subkey 'value) '()))
+(let world (Left! x))
+(let table1 (Right! x))
+(let keySelector (lambda '(x) (Member x 'key)))
+(let listHandler (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 s (AddMember s 'value (Concat (ToString (Length list)) key)))
+ (let ret (AsList s))
+ (return ret)
+))))))
+(let reducedTable (PartitionByKey table1 keySelector (Void) (Void) listHandler))
+(let sortAfterReduce (Sort reducedTable (Bool 'false) (lambda '(x) (Member x 'value) )))
+(let mr_sink (DataSink 'yt (quote plato)))
+(let world (Write! world mr_sink (Key '('table (String 'Output))) sortAfterReduce '('('mode 'append))))
+(let world (Commit! world mr_sink))
+(return world)
+)