#!/usr/bin/env bash # Tags: no-random-merge-tree-settings # shellcheck disable=SC2154 CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd) # shellcheck source=../shell_config.sh . "$CURDIR"/../shell_config.sh $CLICKHOUSE_CLIENT -q "create table t(ts DateTime64) engine=MergeTree order by ts as select * from numbers_mt(1e6);" max_block_size=8192 query_id="${CLICKHOUSE_DATABASE}_02499_$RANDOM$RANDOM" $CLICKHOUSE_CLIENT --query_id="$query_id" -q "select ts from t order by toUnixTimestamp64Nano(ts) limit 10 format Null settings max_block_size = $max_block_size, optimize_read_in_order = 1;" $CLICKHOUSE_CLIENT -q "system flush logs;" $CLICKHOUSE_CLIENT --param_query_id="$query_id" -q "select read_rows <= $max_block_size from system.query_log where event_date >= yesterday() and current_database = '$CLICKHOUSE_DATABASE' and query_id = {query_id:String} and type = 'QueryFinish';"