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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/expr/dict_builtins_null_lookup.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/expr/dict_builtins_null_lookup.sql')
-rw-r--r--yql/essentials/tests/sql/suites/expr/dict_builtins_null_lookup.sql27
1 files changed, 27 insertions, 0 deletions
diff --git a/yql/essentials/tests/sql/suites/expr/dict_builtins_null_lookup.sql b/yql/essentials/tests/sql/suites/expr/dict_builtins_null_lookup.sql
new file mode 100644
index 0000000000..87e1bd0ff9
--- /dev/null
+++ b/yql/essentials/tests/sql/suites/expr/dict_builtins_null_lookup.sql
@@ -0,0 +1,27 @@
+/* postgres can not */
+
+$d2 = AsDict(AsTuple(1/1, "bar"));
+$d3 = AsDict(AsTuple(1/0, "baz"));
+
+$t1 = AsDict(AsTuple(AsTuple(1, "key"), AsTuple(1, "value")));
+$t2 = AsDict(AsTuple(AsTuple(1/1, "key"), AsTuple(2/1, "value")));
+$t3 = AsDict(AsTuple(AsTuple(1/0, "key"), AsTuple(123, "value")));
+
+SELECT
+ DictContains($d2, null), -- false, no such key
+ DictContains($d3, null), -- true, null is convertible to Nothing<T> for any T
+
+ DictLookup($d2, null), -- Nothing(String?), no such key
+ DictLookup($d3, null); -- Just("baz"), null is convertible to Nothing<T> for any T
+
+
+SELECT
+ DictContains($t1, AsTuple(1, "keyy")), -- false, missing key
+ DictContains($t1, AsTuple(1, "key")), -- true, match
+ DictContains($t1, Just(AsTuple(1, "key"))), -- true, match with optional
+
+ DictContains($t2, AsTuple(null, "key")), -- false, no such key
+ DictContains($t3, AsTuple(null, "key")), -- true, null is convertible to Nothing<T> for any T
+
+ DictLookup($t2, AsTuple(null, "key")), -- Nothing(Tuple<Int32?, String>?), no such key
+ DictLookup($t3, AsTuple(null, "key")); -- Just(AsTuple(123, "value")), null is convertible to Nothing<T> for any T