1# 2# MDEV-5539 Empty results in UNION with Sphinx engine 3# 4--replace_result $SPHINXSEARCH_PORT PORT 5eval create table ts (id bigint unsigned not null, w int not null, query varchar(255) not null, index(query)) engine=sphinx connection="sphinx://127.0.0.1:$SPHINXSEARCH_PORT/*"; 6let $q1=SELECT * FROM ts si WHERE si.query=';mode=extended2;limit=1000000;maxmatches=500'; 7let $q2=SELECT * FROM ts si WHERE si.query='@* 123nothingtofind123;mode=extended2;limit=1000000;maxmatches=500'; 8eval SELECT a.* FROM ($q1) AS a UNION SELECT b.* FROM ($q2) AS b; 9eval SELECT a.* FROM ($q2) AS a UNION SELECT b.* FROM ($q1) AS b; 10drop table ts; 11 12