tests

Author: deniskuzZ

iceberg/iceberg-handler/src/test/queries/positive/iceberg_partition_pruner_cache_key.q

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+set hive.fetch.task.conversion=none;
+set hive.explain.user=false;
+
+create external table tbl_ice_pp_key(a int, b string) stored by iceberg;
+
+insert into tbl_ice_pp_key values (1, 'one'), (2, 'two');
+alter table tbl_ice_pp_key create tag s1;
+
+insert into tbl_ice_pp_key values
+  (3, 'three'), (4, 'four'), (5, 'five'),
+  (6, 'six'), (7, 'seven'),(8, 'eight'),
+  (9, 'nine'),  (10, 'ten');
+
+explain select count(*) from tbl_ice_pp_key;
+select count(*) from tbl_ice_pp_key;
+
+explain select count(*) from tbl_ice_pp_key for system_version as of 's1';
+select count(*) from tbl_ice_pp_key for system_version as of 's1';
+
+explain
+select cur.cnt as cur_cnt, snap.cnt as snap_cnt
+from (
+  select count(*) as cnt from tbl_ice_pp_key
+) cur
+cross join (
+  select count(*) as cnt from tbl_ice_pp_key for system_version as of 's1'
+) snap;
+
+select cur.cnt as cur_cnt, snap.cnt as snap_cnt
+from (
+  select count(*) as cnt from tbl_ice_pp_key
+) cur
+cross join (
+  select count(*) as cnt from tbl_ice_pp_key for system_version as of 's1'
+) snap;
+
+-- with a partition predicate
+explain
+select 'current' as ver, count(*) as cnt from tbl_ice_pp_key where a > 0
+union all
+select 'asof_s1' as ver, count(*) as cnt from tbl_ice_pp_key for system_version as of 's1'
+where a > 0;
+
+select 'current' as ver, count(*) as cnt from tbl_ice_pp_key where a > 0
+union all
+select 'asof_s1' as ver, count(*) as cnt from tbl_ice_pp_key for system_version as of 's1'
+where a > 0;
+
+drop table tbl_ice_pp_key;