set client_min_messages to warning;
create extension pgtelemetry cascade;
select count(*) > 0 from pgtelemetry.database_size;
SELECT count(*) > 0 from pgtelemetry.relation_total_size;
SELECT count(*) > 0 from pgtelemetry.catalog_total_size;
SELECT count(*) > 0 from pgtelemetry.index_size;
SELECT count(*) > 0 from pgtelemetry.relation_toast_size;
SELECT count(*) > 0 from pgtelemetry.tablespace_size;
SELECT count(*) > 0 from pgtelemetry.database_size;
SELECT count(*) > 0 from pgtelemetry.connections_by_application;
SELECT count(*) > 0 from pgtelemetry.connections_by_state;
SELECT count(*) > 0 from pgtelemetry.connections_by_ip_source;
SELECT count(*) > 0 from pgtelemetry.longest_running_active_queries;
SELECT count(*) > -1 from pgtelemetry.waiting_connections_by_event_type;
SELECT count(*) > 0 from pgtelemetry.locks_by_type;
SELECT count(*) > 0 from pgtelemetry.locks_by_mode;
SELECT pgtelemetry.count_waiting_on_locks_more_than_seconds(300) >= 0;
SELECT count(*) > 0 from pgtelemetry.tuple_access_stats;
SELECT count(*) > 0 from pgtelemetry.autovacuum_stats;
SELECT count(*) > 0 from pgtelemetry.statement_query_rows_time;
SELECT count(*) > 0 from pgtelemetry.statement_query_buffers;
SELECT count(*) > 0 from pgtelemetry.wal_telemetry();
SELECT count(*) > 0 from pgtelemetry.replication_slot_lag;
SELECT count(*) > 0 from pgtelemetry.get_autovacuum_vacuum_info();
SELECT count(*) > 0 from pgtelemetry.get_autovacuum_analyze_info();
SELECT count(*) > 0 from pgtelemetry.vacuum_progress();
SELECT count(*) > 0 from pgtelemetry.long_running_queries;