Hello,

Please someone can to understand or solve these issues with PostgreSQL ?
when i try to run query in parallel mode i receive this error

postgres@DB:~$ psql text
psql (10.3)
Type "help" for help.

text=#
text=#
text=# select sum(l_extendedprice) / 7.0 as avg_yearly from lineitem, part, (SELECT l_partkey AS agg_partkey, 0.2 * avg(l_quantity) AS avg_quantity FROM lineitem
text(# GROUP BY l_partkey) part_agg where p_partkey = l_partkey and agg_partkey = l_partkey and p_brand = ':1' and p_container = ':2' and l_quantity < avg_quantity;
ERROR:  unrecognized token: "false"
CONTEXT:  parallel worker
text=#