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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/action/nested_rewrite_io.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/action/nested_rewrite_io.sql')
-rw-r--r--yql/essentials/tests/sql/suites/action/nested_rewrite_io.sql22
1 files changed, 22 insertions, 0 deletions
diff --git a/yql/essentials/tests/sql/suites/action/nested_rewrite_io.sql b/yql/essentials/tests/sql/suites/action/nested_rewrite_io.sql
new file mode 100644
index 0000000000..4150bc7e3f
--- /dev/null
+++ b/yql/essentials/tests/sql/suites/action/nested_rewrite_io.sql
@@ -0,0 +1,22 @@
+use plato;
+$input = select * from AS_TABLE([<|a:"foo",b:"123"|>]);
+
+$mapping = select {"a":"String", "b":"Int32"} from Input limit 1;
+
+$transformer = ($type)->{
+ $t = EvaluateType(ParseTypeHandle($type));
+ return ($value)->{ return cast($value as $t); };
+};
+
+$converter = ($row)->{
+ return EvaluateCode(LambdaCode(($rowCode)->{
+ return FuncCode("AsStruct", ListMap(StructMembers($row), ($name)->{
+ return ListCode(
+ AtomCode($name),
+ FuncCode("Apply", QuoteCode($transformer(Unwrap($mapping[$name]))), FuncCode("Member", $rowCode, AtomCode($name)))
+ );
+ }));
+ }))($row);
+};
+
+select * from (select $converter(TableRow()) from $input) flatten columns;