=====
---- QUERY
-- Test that NULL map keys are printed correctly.
set CONVERT_LEGACY_HIVE_PARQUET_UTC_TIMESTAMPS=1;
select
 id,
 map_bool_key,
 map_tinyint_key,
 map_smallint_key,
 map_bigint_key,
 map_float_key,
 map_double_key,
 map_decimal_key,
 map_string_key,
 map_char_key,
 map_varchar_key,
 map_timestamp_key,
 map_date_key,
 struct_contains_map
from map_null_keys;
---- RESULTS
1,'{true:"true",null:"null"}','{-1:"one",null:"null"}','{-1:"one",null:"null"}','{-1:"one",null:"null"}','{-1.75:"a",null:"null"}','{-1.75:"a",null:"null"}','{-1.8:"a",null:"null"}','{"one":1,null:null}','{"Mon":1,null:null}','{"a":"A",null:null}','{"2022-12-10 08:15:12":"Saturday morning",null:"null"}','{"2022-12-10":"Saturday",null:"null"}','{"m":{1:"one",null:"null"},"s":"some_string"}'
---- TYPES
INT,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING
=====
---- QUERY
-- Test that NULL map keys are printed correctly with STRINGIFY_MAP_KEYS=true.
set CONVERT_LEGACY_HIVE_PARQUET_UTC_TIMESTAMPS=1;
set STRINGIFY_MAP_KEYS=1;
select
 id,
 map_bool_key,
 map_tinyint_key,
 map_smallint_key,
 map_bigint_key,
 map_float_key,
 map_double_key,
 map_decimal_key,
 map_string_key,
 map_char_key,
 map_varchar_key,
 map_timestamp_key,
 map_date_key,
 struct_contains_map
from map_null_keys;
---- RESULTS
1,'{"true":"true","null":"null"}','{"-1":"one","null":"null"}','{"-1":"one","null":"null"}','{"-1":"one","null":"null"}','{"-1.75":"a","null":"null"}','{"-1.75":"a","null":"null"}','{"-1.8":"a","null":"null"}','{"one":1,"null":null}','{"Mon":1,"null":null}','{"a":"A","null":null}','{"2022-12-10 08:15:12":"Saturday morning","null":"null"}','{"2022-12-10":"Saturday","null":"null"}','{"m":{"1":"one","null":"null"},"s":"some_string"}'
---- TYPES
INT,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING,STRING
=====