run: select TABLE_SCHEMA as a, sum(TABLE_ROWS) as b from tables group by TABLE_SCHEMA limit 2;
old output:
TABLE_SCHEMA Nullable(Int64)_1
0 regression_test_mv_p0_sum_count 9
1 regression_test_query_p0_sql_functions_string_functions 70414
now output:
a b
0 regression_test_mv_p0_sum_count 9
1 regression_test_query_p0_sql_functions_string_functions 70414