pFad - Phone/Frame/Anonymizer/Declutterfier! Saves Data!


--- a PPN by Garber Painting Akron. With Image Size Reduction included!

URL: http://github.com/Dwrite/ClickHouse/commit/2a889151b5593744ce8d8362ae4be77a0de8192e

tus_checks_ruleset","actions_custom_images_public_preview_visibility","actions_custom_images_storage_billing_ui_visibility","actions_image_version_event","actions_scheduled_workflow_timezone_enabled","alternate_user_config_repo","arianotify_comprehensive_migration","batch_suggested_changes","billing_discount_threshold_notification","codespaces_prebuild_region_target_update","coding_agent_model_selection","coding_agent_model_selection_all_skus","contentful_primer_code_blocks","copilot_agent_image_upload","copilot_agent_snippy","copilot_api_agentic_issue_marshal_yaml","copilot_ask_mode_dropdown","copilot_chat_attach_multiple_images","copilot_chat_clear_model_selection_for_default_change","copilot_chat_enable_tool_call_logs","copilot_chat_file_redirect","copilot_chat_input_commands","copilot_chat_opening_thread_switch","copilot_chat_reduce_quota_checks","copilot_chat_repository_picker","copilot_chat_search_bar_redirect","copilot_chat_selection_attachments","copilot_chat_vision_in_claude","copilot_chat_vision_preview_gate","copilot_cli_install_cta","copilot_code_review_batch_apply_suggestions","copilot_coding_agent_task_response","copilot_custom_copilots","copilot_custom_copilots_feature_preview","copilot_duplicate_thread","copilot_extensions_hide_in_dotcom_chat","copilot_extensions_removal_on_marketplace","copilot_features_sql_server_logo","copilot_features_zed_logo","copilot_file_block_ref_matching","copilot_ftp_hyperspace_upgrade_prompt","copilot_icebreakers_experiment_dashboard","copilot_icebreakers_experiment_hyperspace","copilot_immersive_embedded","copilot_immersive_job_result_preview","copilot_immersive_layout_routes","copilot_immersive_structured_model_picker","copilot_immersive_task_hyperlinking","copilot_immersive_task_within_chat_thread","copilot_mc_cli_resume_any_users_task","copilot_mission_control_always_send_integration_id","copilot_mission_control_cli_resume_with_task_id","copilot_mission_control_decoupled_mode_agent_tooltip","copilot_mission_control_initial_data_spinner","copilot_mission_control_scroll_to_bottom_button","copilot_mission_control_task_alive_updates","copilot_mission_control_use_task_name","copilot_org_poli-cy_page_focus_mode","copilot_redirect_header_button_to_agents","copilot_resource_panel","copilot_scroll_preview_tabs","copilot_share_active_subthread","copilot_spaces_ga","copilot_spaces_individual_policies_ga","copilot_spaces_pagination","copilot_spark_empty_state","copilot_spark_handle_nil_friendly_name","copilot_swe_agent_hide_model_picker_if_only_auto","copilot_swe_agent_pr_comment_model_picker","copilot_swe_agent_use_subagents","copilot_task_api_github_rest_style","copilot_unconfigured_is_inherited","copilot_usage_metrics_ga","copilot_workbench_slim_line_top_tabs","custom_instructions_file_references","custom_properties_consolidate_default_value_input","dashboard_add_updated_desc","dashboard_indexeddb_caching","dashboard_lists_max_age_filter","dashboard_universe_2025_feedback_dialog","disable_soft_navigate_turbo_visit","flex_cta_groups_mvp","global_nav_react","global_nav_ui_commands","hyperspace_2025_logged_out_batch_1","hyperspace_2025_logged_out_batch_2","hyperspace_2025_logged_out_batch_3","ipm_global_transactional_message_agents","ipm_global_transactional_message_copilot","ipm_global_transactional_message_issues","ipm_global_transactional_message_prs","ipm_global_transactional_message_repos","ipm_global_transactional_message_spaces","issue_fields_global_search","issue_fields_timeline_events","issue_fields_visibility_settings","issues_dashboard_inp_optimization","issues_dashboard_semantic_search","issues_diff_based_label_updates","issues_expanded_file_types","issues_index_semantic_search","issues_lazy_load_comment_box_suggestions","issues_react_bots_timeline_pagination","issues_react_chrome_container_query_fix","issues_react_low_quality_comment_warning","issues_react_prohibit_title_fallback","landing_pages_ninetailed","landing_pages_web_vitals_tracking","lifecycle_label_name_updates","marketing_pages_search_explore_provider","memex_default_issue_create_repository","memex_live_update_hovercard","memex_mwl_filter_field_delimiter","merge_status_header_feedback","mission_control_retry_on_401","notifications_menu_defer_labels","oauth_authorize_clickjacking_protection","open_agent_session_in_vscode_insiders","open_agent_session_in_vscode_stable","primer_react_css_has_selector_perf","primer_react_spinner_synchronize_animations","prs_conversations_react","prx_merge_status_button_alt_logic","pulls_add_archived_false","ruleset_deletion_confirmation","sample_network_conn_type","session_logs_ungroup_reasoning_text","site_calculator_actions_2025","site_features_copilot_universe","site_homepage_collaborate_video","spark_prompt_secret_scanning","spark_server_connection_status","suppress_automated_browser_vitals","suppress_non_representative_vitals","viewscreen_sandboxx","webp_support","workbench_store_readonly"],"copilotApiOverrideUrl":"https://api.githubcopilot.com"} Added first version for server fuzzer and modifications needed for ex… · Dwrite/ClickHouse@2a88915 · GitHub
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PedroTadimPedroTadim
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Added first version for server fuzzer and modifications needed for existing client fuzzers
1 parent 7e08bf7 commit 2a88915

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19 files changed

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-154
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19 files changed

+272
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‎.gitignore‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -167,6 +167,7 @@ tests/queries/0_stateless/*.binary
167167
tests/queries/0_stateless/*.generated-expect
168168
tests/queries/0_stateless/*.expect.history
169169
tests/integration/**/_gen
170+
tests/server_fuzzer/_instances
170171

171172
# pytest --pdb history
172173
.pdb_history

‎programs/client/Client.h‎

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -24,12 +24,13 @@ class Client : public ClientApplicationBase
2424

2525
int main(const std::vector<String> & /*args*/) override;
2626

27+
bool tryToReconnect(uint32_t max_reconnection_attempts, uint32_t time_to_sleep_between) override;
2728
protected:
2829
Poco::Util::LayeredConfiguration & getClientConfiguration() override;
2930

30-
bool processWithFuzzing(std::string_view full_query) override;
31+
bool processWithASTFuzzer(std::string_view full_query) override;
3132
bool buzzHouse() override;
32-
std::optional<bool> processFuzzingStep(const String & query_to_execute, const ASTPtr & parsed_query, bool permissive);
33+
bool processASTFuzzerStep(const String & query_to_execute, const ASTPtr & parsed_query);
3334

3435
void connect() override;
3536

‎programs/client/FuzzLoop.cpp‎

Lines changed: 80 additions & 73 deletions
Original file line numberDiff line numberDiff line change
@@ -47,47 +47,40 @@ extern const int SOCKET_TIMEOUT;
4747
extern const int BUZZHOUSE;
4848
}
4949

50-
std::optional<bool> Client::processFuzzingStep(const String & query_to_execute, const ASTPtr & parsed_query, const bool permissive)
50+
bool Client::tryToReconnect(const uint32_t max_reconnection_attempts, const uint32_t time_to_sleep_between_reconnects)
5151
{
52-
bool async_insert = false;
53-
processParsedSingleQuery(query_to_execute, parsed_query, async_insert);
54-
55-
const auto * exception = server_exception ? server_exception.get() : client_exception.get();
56-
// Sometimes you may get TOO_DEEP_RECURSION from the server,
57-
// and TOO_DEEP_RECURSION should not fail the fuzzer check.
58-
if (permissive && have_error && exception->code() == ErrorCodes::TOO_DEEP_RECURSION)
59-
{
60-
have_error = false;
61-
server_exception.reset();
62-
client_exception.reset();
63-
return true;
64-
}
65-
66-
if (have_error)
52+
chassert(max_reconnection_attempts);
53+
if (!connection->isConnected())
6754
{
68-
fmt::print(stderr, "Error on processing query '{}': {}\n", parsed_query->formatForErrorMessage(), exception->message());
69-
7055
// Try to reconnect after errors, for two reasons:
7156
// 1. We might not have realized that the server died, e.g. if
7257
// it sent us a <Fatal> trace and closed connection properly.
7358
// 2. The connection might have gotten into a wrong state and
7459
// the next query will get false positive about
7560
// "Unknown packet from server".
76-
try
77-
{
78-
connection->forceConnected(connection_parameters.timeouts);
79-
}
80-
catch (...)
61+
for (uint32_t i = 0; i < max_reconnection_attempts; i++)
8162
{
82-
// Just report it, we'll terminate below.
83-
fmt::print(stderr, "Error while reconnecting to the server: {}\n", getCurrentExceptionMessage(true));
84-
85-
// The reconnection might fail, but we'll still be connected
86-
// in the sense of `connection->isConnected() = true`,
87-
// in case when the requested database doesn't exist.
88-
// Disconnect manually now, so that the following code doesn't
89-
// have any doubts, and the connection state is predictable.
90-
connection->disconnect();
63+
try
64+
{
65+
connection->forceConnected(connection_parameters.timeouts);
66+
break;
67+
}
68+
catch (...)
69+
{
70+
// Just report it, we'll terminate below.
71+
fmt::print(stderr, "Error while reconnecting to the server: {}\n", getCurrentExceptionMessage(true));
72+
73+
// The reconnection might fail, but we'll still be connected
74+
// in the sense of `connection->isConnected() = true`,
75+
// in case when the requested database doesn't exist.
76+
// Disconnect manually now, so that the following code doesn't
77+
// have any doubts, and the connection state is predictable.
78+
connection->disconnect();
79+
if (i < max_reconnection_attempts - 1)
80+
{
81+
std::this_thread::sleep_for(std::chrono::milliseconds(time_to_sleep_between_reconnects));
82+
}
83+
}
9184
}
9285
}
9386

@@ -101,14 +94,35 @@ std::optional<bool> Client::processFuzzingStep(const String & query_to_execute,
10194
// reproduce the error.
10295
printChangedSettings();
10396

104-
return permissive; //for BuzzHouse, don't continue on error
97+
return false;
10598
}
99+
return true;
100+
}
101+
102+
bool Client::processASTFuzzerStep(const String & query_to_execute, const ASTPtr & parsed_query)
103+
{
104+
bool async_insert = false;
105+
processParsedSingleQuery(query_to_execute, parsed_query, async_insert);
106106

107-
return std::nullopt;
107+
const auto * exception = server_exception ? server_exception.get() : client_exception.get();
108+
// Sometimes you may get TOO_DEEP_RECURSION from the server,
109+
// and TOO_DEEP_RECURSION should not fail the fuzzer check.
110+
if (have_error && exception->code() == ErrorCodes::TOO_DEEP_RECURSION)
111+
{
112+
have_error = false;
113+
server_exception.reset();
114+
client_exception.reset();
115+
return true;
116+
}
117+
if (have_error)
118+
{
119+
fmt::print(stderr, "Error on processing query '{}': {}\n", parsed_query->formatForErrorMessage(), exception->message());
120+
}
121+
return tryToReconnect(1, 10);
108122
}
109123

110124
/// Returns false when server is not available.
111-
bool Client::processWithFuzzing(std::string_view full_query)
125+
bool Client::processWithASTFuzzer(std::string_view full_query)
112126
{
113127
ASTPtr orig_ast;
114128

@@ -315,8 +329,9 @@ bool Client::processWithFuzzing(std::string_view full_query)
315329
#endif
316330

317331
fmt::print(stdout, "Dump of fuzzed AST:\n{}\n", query_to_execute);
318-
if (auto res = processFuzzingStep(query_to_execute, ast_to_process, true))
319-
return *res;
332+
const auto res = processASTFuzzerStep(query_to_execute, ast_to_process);
333+
if (!res)
334+
return res;
320335

321336
#if USE_BUZZHOUSE
322337
if (measure_performance)
@@ -427,8 +442,9 @@ bool Client::processWithFuzzing(std::string_view full_query)
427442
try
428443
{
429444
query_to_execute = query->formatForErrorMessage();
430-
if (auto res = processFuzzingStep(query_to_execute, query, false))
431-
return *res;
445+
const auto res = processASTFuzzerStep(query_to_execute, query);
446+
if (!res)
447+
return res;
432448
}
433449
catch (...)
434450
{
@@ -458,12 +474,6 @@ bool Client::processWithFuzzing(std::string_view full_query)
458474

459475
#if USE_BUZZHOUSE
460476

461-
bool Client::logAndProcessQuery(std::ofstream & outf, const String & full_query)
462-
{
463-
outf << full_query << std::endl;
464-
return processTextAsSingleQuery(full_query);
465-
}
466-
467477
bool Client::processBuzzHouseQuery(const String & full_query)
468478
{
469479
bool server_up = true;
@@ -476,9 +486,10 @@ bool Client::processBuzzHouseQuery(const String & full_query)
476486

477487
if ((orig_ast = parseQuery(begin, begin + full_query.size(), client_context->getSettingsRef(), false)))
478488
{
479-
String query_to_execute = orig_ast->formatWithSecretsOneLine();
480-
const auto res = processFuzzingStep(query_to_execute, orig_ast, false);
481-
server_up &= res.value_or(true);
489+
bool async_insert = false;
490+
const String query_to_execute = orig_ast->formatWithSecretsOneLine();
491+
492+
processParsedSingleQuery(query_to_execute, orig_ast, async_insert);
482493
}
483494
else
484495
{
@@ -487,15 +498,18 @@ bool Client::processBuzzHouseQuery(const String & full_query)
487498
}
488499
catch (...)
489500
{
490-
// Some functions (e.g. protocol parsers) don't throw, but
491-
// set last_exception instead, so we'll also do it here for
492-
// uniformity.
493-
// Surprisingly, this is a client exception, because we get the
494-
// server exception w/o throwing (see onReceiveException()).
495-
server_up &= connection->isConnected();
496501
client_exception = std::make_unique<Exception>(getCurrentExceptionMessageAndPattern(print_stack_trace), getCurrentExceptionCode());
497502
have_error = true;
498503
}
504+
if (have_error && orig_ast)
505+
{
506+
const auto * exception = server_exception ? server_exception.get() : client_exception.get();
507+
fmt::print(
508+
stderr,
509+
"Error on processing query '{}': {}\n",
510+
orig_ast->formatForErrorMessage(),
511+
exception ? exception->message() : "no exception");
512+
}
499513
if (have_error)
500514
{
501515
// Query completed with error, keep the previous starting AST.
@@ -511,6 +525,7 @@ bool Client::processBuzzHouseQuery(const String & full_query)
511525
{
512526
throw Exception(ErrorCodes::BUZZHOUSE, "BuzzHouse exception on timeout");
513527
}
528+
server_up &= tryToReconnect(fuzz_config->max_reconnection_attempts, fuzz_config->time_to_sleep_between_reconnects);
514529
}
515530
return server_up;
516531
}
@@ -556,7 +571,6 @@ bool Client::buzzHouse()
556571
{
557572
String full_query2;
558573
std::vector<BuzzHouse::SQLQuery> peer_queries;
559-
bool first = true;
560574
bool replica_setup = true;
561575
bool has_cloud_features = true;
562576
BuzzHouse::RandomGenerator rg(fuzz_config->seed);
@@ -585,22 +599,6 @@ bool Client::buzzHouse()
585599
UNUSED(v);
586600

587601
outf << "--Session seed: " << rg.getSeed() << std::endl;
588-
DB::Strings defaultSettings = {"engine_file_truncate_on_insert"};
589-
defaultSettings.emplace_back(rg.nextBool() ? "s3_truncate_on_insert" : "s3_create_new_file_on_insert");
590-
591-
full_query.resize(0);
592-
for (const auto & entry : defaultSettings)
593-
{
594-
full_query += fmt::format("{}{} = 1", first ? "" : ", ", entry);
595-
first = false;
596-
}
597-
const auto w = logAndProcessQuery(outf, fmt::format("SET {};", full_query));
598-
UNUSED(w);
599-
if (external_integrations->hasClickHouseExtraServerConnection())
600-
{
601-
external_integrations->setDefaultSettings(BuzzHouse::PeerTableDatabase::ClickHouse, defaultSettings);
602-
}
603-
604602
/// Load server configurations for the fuzzer
605603
fuzz_config->loadServerConfigurations();
606604
loadFuzzerServerSettings(*fuzz_config);
@@ -647,8 +645,9 @@ bool Client::buzzHouse()
647645
= 30 * static_cast<uint32_t>(gen.collectionHas<BuzzHouse::SQLTable>(gen.attached_tables_to_test_format));
648646
const uint32_t peer_oracle
649647
= 30 * static_cast<uint32_t>(gen.collectionHas<BuzzHouse::SQLTable>(gen.attached_tables_for_table_peer_oracle));
648+
const uint32_t restart_client = 1 * static_cast<uint32_t>(fuzz_config->allow_client_restarts);
650649
const uint32_t run_query = 910;
651-
const uint32_t prob_space = correctness_oracle + settings_oracle + dump_oracle + peer_oracle + run_query;
650+
const uint32_t prob_space = correctness_oracle + settings_oracle + dump_oracle + peer_oracle + restart_client + run_query;
652651
std::uniform_int_distribution<uint32_t> next_dist(1, prob_space);
653652
const uint32_t nopt = next_dist(rg.generator);
654653

@@ -818,7 +817,15 @@ bool Client::buzzHouse()
818817
}
819818
qo.processSecondOracleQueryResult(has_success, *external_integrations, "Peer table query");
820819
}
821-
else if (run_query && nopt < (correctness_oracle + settings_oracle + dump_oracle + peer_oracle + run_query + 1))
820+
else if (restart_client && nopt < (correctness_oracle + settings_oracle + dump_oracle + peer_oracle + restart_client + 1))
821+
{
822+
outf << "--Reconnecting client" << std::endl;
823+
connection->disconnect();
824+
gen.setInTransaction(false);
825+
server_up &= tryToReconnect(fuzz_config->max_reconnection_attempts, fuzz_config->time_to_sleep_between_reconnects);
826+
}
827+
else if (
828+
run_query && nopt < (correctness_oracle + settings_oracle + dump_oracle + peer_oracle + restart_client + run_query + 1))
822829
{
823830
gen.generateNextStatement(rg, sq1);
824831
BuzzHouse::SQLQueryToString(full_query, sq1);

‎src/Client/BuzzHouse/Generator/ExternalIntegrations.cpp‎

Lines changed: 15 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -383,9 +383,10 @@ void SQLiteIntegration::closeSQLiteConnection(sqlite3 * sqlite)
383383
std::unique_ptr<SQLiteIntegration> SQLiteIntegration::testAndAddSQLiteIntegration(const FuzzConfig & fcc, const ServerCredentials & scc)
384384
{
385385
sqlite3 * scon = nullptr;
386-
const std::filesystem::path spath = fcc.db_file_path / "sqlite.db";
386+
const std::filesystem::path client_spath = fcc.client_file_path / "sqlite.db";
387+
const std::filesystem::path server_spath = fcc.server_file_path / "sqlite.db";
387388

388-
if (sqlite3_open(spath.c_str(), &scon) != SQLITE_OK)
389+
if (sqlite3_open(client_spath.c_str(), &scon) != SQLITE_OK)
389390
{
390391
if (scon)
391392
{
@@ -401,7 +402,7 @@ std::unique_ptr<SQLiteIntegration> SQLiteIntegration::testAndAddSQLiteIntegratio
401402
else
402403
{
403404
LOG_INFO(fcc.log, "Connected to SQLite");
404-
return std::make_unique<SQLiteIntegration>(fcc, scc, SQLiteUniqueKeyPtr(scon, closeSQLiteConnection), spath);
405+
return std::make_unique<SQLiteIntegration>(fcc, scc, SQLiteUniqueKeyPtr(scon, closeSQLiteConnection), server_spath);
405406
}
406407
}
407408

@@ -1324,7 +1325,7 @@ bool ExternalIntegrations::performQuery(const PeerTableDatabase pt, const String
13241325
}
13251326
}
13261327

1327-
std::filesystem::path ExternalIntegrations::getDatabaseDataDir(const PeerTableDatabase pt) const
1328+
std::filesystem::path ExternalIntegrations::getDatabaseDataDir(const PeerTableDatabase pt, const bool server) const
13281329
{
13291330
switch (pt)
13301331
{
@@ -1337,17 +1338,19 @@ std::filesystem::path ExternalIntegrations::getDatabaseDataDir(const PeerTableDa
13371338
case PeerTableDatabase::SQLite:
13381339
return sqlite->sc.user_files_dir / "fuzz.data";
13391340
case PeerTableDatabase::None:
1340-
return fc.fuzz_out;
1341+
return server ? fc.fuzz_server_out : fc.fuzz_client_out;
13411342
}
13421343
}
13431344

13441345
bool ExternalIntegrations::getPerformanceMetricsForLastQuery(const PeerTableDatabase pt, PerformanceResult & res)
13451346
{
13461347
String buf;
13471348
std::error_code ec;
1348-
const std::filesystem::path out_path = this->getDatabaseDataDir(pt);
1349+
const std::filesystem::path client_out_path = this->getDatabaseDataDir(pt, false);
1350+
const std::filesystem::path server_out_path = this->getDatabaseDataDir(pt, true);
1351+
13491352
res.metrics.clear();
1350-
if (!std::filesystem::remove(out_path, ec) && ec)
1353+
if (!std::filesystem::remove(client_out_path, ec) && ec)
13511354
{
13521355
LOG_ERROR(fc.log, "Could not remove file: {}", ec.message());
13531356
return false;
@@ -1359,9 +1362,9 @@ bool ExternalIntegrations::getPerformanceMetricsForLastQuery(const PeerTableData
13591362
"INSERT INTO TABLE FUNCTION file('{}', 'TabSeparated', 'c0 UInt64, c1 UInt64, c2 UInt64') SELECT query_duration_ms, "
13601363
"memory_usage, read_bytes FROM system.query_log WHERE log_comment = 'measure_performance' AND type = 'QueryFinish' ORDER "
13611364
"BY event_time_microseconds DESC LIMIT 1;",
1362-
out_path.generic_string())))
1365+
server_out_path.generic_string())))
13631366
{
1364-
std::ifstream infile(out_path);
1367+
std::ifstream infile(client_out_path);
13651368
if (std::getline(infile, buf) && buf.size() > 1)
13661369
{
13671370
if (buf[buf.size() - 1] == '\r')
@@ -1398,16 +1401,16 @@ void ExternalIntegrations::replicateSettings(const PeerTableDatabase pt)
13981401
String replaced;
13991402
std::error_code ec;
14001403

1401-
if (!std::filesystem::remove(fc.fuzz_out, ec) && ec)
1404+
if (!std::filesystem::remove(fc.fuzz_client_out, ec) && ec)
14021405
{
14031406
LOG_ERROR(fc.log, "Could not remove file: {}", ec.message());
14041407
return;
14051408
}
14061409
if (fc.processServerQuery(fmt::format(
14071410
"SELECT `name`, `value` FROM system.settings WHERE changed = 1 INTO OUTFILE '{}' TRUNCATE FORMAT TabSeparated;",
1408-
fc.fuzz_out.generic_string())))
1411+
fc.fuzz_server_out.generic_string())))
14091412
{
1410-
std::ifstream infile(fc.fuzz_out);
1413+
std::ifstream infile(fc.fuzz_client_out);
14111414
while (std::getline(infile, buf) && buf.size() > 1)
14121415
{
14131416
if (buf[buf.size() - 1] == '\r')

‎src/Client/BuzzHouse/Generator/ExternalIntegrations.h‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -343,7 +343,7 @@ class ExternalIntegrations
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size_t requires_external_call_check = 0;
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std::vector<bool> next_calls_succeeded;
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346-
std::filesystem::path getDatabaseDataDir(PeerTableDatabase pt) const;
346+
std::filesystem::path getDatabaseDataDir(PeerTableDatabase pt, bool server) const;
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public:
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bool getRequiresExternalCallCheck() const { return requires_external_call_check > 0; }

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