Description
CREATE INDEX ix1 ON default(IFNULL(a,b));
EXPLAIN SELECT 1 FROM default WHERE IFNULL(a,b) > 0;
index_projection entry keys must have 0
CREATE INDEX ix1 ON default(IFNULL(a,b));
EXPLAIN SELECT 1 FROM default WHERE IFNULL(a,b) > 0;
index_projection entry keys must have 0