Randomize query cache settings

tests/clickhouse-test

@@ -528,6 +528,8 @@ class SettingsRandomizer:
         "enable_memory_bound_merging_of_aggregation_results": lambda: random.randint(
             0, 1
         ),
+        "use_query_cache": lambda: random.randint(0, 1),
+        "enable_reads_from_query_cache": lambda: 0,
     }
 
     @staticmethod

tests/queries/0_stateless/02494_query_cache_case_agnostic_matching.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_drop_cache.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_eligible_queries.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_events.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_exception_handling.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_explain.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_analyzer = 1;
 SET allow_experimental_query_cache = true;

tests/queries/0_stateless/02494_query_cache_min_query_duration.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
--- Tag no-parallel: Messes with internal cache
+-- Tags: no-parallel, no-random-settings
+-- Tag no-parallel: The test messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_min_query_runs.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
--- Tag no-parallel: Messes with internal cache
+-- Tags: no-parallel, no-random-settings
+-- Tag no-parallel: The test messes with internal cache
+-- Tag no-random-settings: The test assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_nondeterministic_functions.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_normalize_ast.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_passive_usage.sql

@@ -1,5 +1,6 @@
--- Tags: no-parallel
+-- Tags: no-parallel, no-random-settings
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_secrets.sql

@@ -1,6 +1,7 @@
--- Tags: no-parallel, no-fasttest
+-- Tags: no-parallel, no-fasttest, no-random-settings
 -- Tag no-fasttest: Depends on OpenSSL
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;
 

tests/queries/0_stateless/02494_query_cache_ttl_long.sql

@@ -1,7 +1,8 @@
--- Tags: no-fasttest, no-parallel, long
+-- Tags: no-fasttest, no-parallel, long, no-random-settings
 -- Tag no-fasttest: Test runtime is > 6 sec
 -- Tag long: Test runtime is > 6 sec
 -- Tag no-parallel: Messes with internal cache
+-- Tag no-random-settings: Assumes default settings for the query cache.
 
 SET allow_experimental_query_cache = true;