From 1a31f82d1e144acb8ab911348bd476008f7b7946 Mon Sep 17 00:00:00 2001 From: Alexey Milovidov Date: Thu, 11 Aug 2022 07:44:42 +0200 Subject: [PATCH] Add a test for #10575 --- ...counting_resources_in_subqueries.reference | 0 ...00175_counting_resources_in_subqueries.sql | 20 +++++++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 tests/queries/1_stateful/00175_counting_resources_in_subqueries.reference create mode 100644 tests/queries/1_stateful/00175_counting_resources_in_subqueries.sql diff --git a/tests/queries/1_stateful/00175_counting_resources_in_subqueries.reference b/tests/queries/1_stateful/00175_counting_resources_in_subqueries.reference new file mode 100644 index 00000000000..e69de29bb2d diff --git a/tests/queries/1_stateful/00175_counting_resources_in_subqueries.sql b/tests/queries/1_stateful/00175_counting_resources_in_subqueries.sql new file mode 100644 index 00000000000..a6e441a8471 --- /dev/null +++ b/tests/queries/1_stateful/00175_counting_resources_in_subqueries.sql @@ -0,0 +1,20 @@ +-- the work for scalar subquery is properly accounted: +SET max_rows_to_read = 1000000; +SELECT 1 = (SELECT count() FROM test.hits WHERE NOT ignore(AdvEngineID)); -- { serverError 158 } + +-- the work for subquery in IN is properly accounted: +SET max_rows_to_read = 1000000; +SELECT 1 IN (SELECT count() FROM hits WHERE NOT ignore(AdvEngineID)); -- { serverError 158 } + +-- this query reads from the table twice: +SET max_rows_to_read = 15000000; +SELECT count() IN (SELECT count() FROM hits WHERE NOT ignore(AdvEngineID)) FROM hits WHERE NOT ignore(AdvEngineID); -- { serverError 158 } + +-- the resources are properly accounted even if the subquery is evaluated in advance to facilitate the index analysis. +-- this query is using index and filter out the second reading pass. +SET max_rows_to_read = 1000000; +SELECT count() FROM hits WHERE CounterID > (SELECT count() FROM hits WHERE NOT ignore(AdvEngineID)); -- { serverError 158 } + +-- this query is using index but have to read all the data twice. +SET max_rows_to_read = 15000000; +SELECT count() FROM hits WHERE CounterID < (SELECT count() FROM hits WHERE NOT ignore(AdvEngineID)); -- { serverError 158 }