Yunhong Zheng created FLINK-33691: ------------------------------------- Summary: Support agg push down for 'count(*)/count(1)/count(column not null)' Key: FLINK-33691 URL: https://issues.apache.org/jira/browse/FLINK-33691 Project: Flink Issue Type: Improvement Components: Table SQL / Planner Affects Versions: 1.19.0 Reporter: Yunhong Zheng Fix For: 1.19.0
Now,  PushLocalAggIntoScanRule cannot push down 'count(*)/count(1)/count(column not null)', but it can push down count(column nullable). The reason is that count(*) and count(n) will be optimized to a scan with calc as '0 AS $f0' to reduce read cost, which will not match the push down rule -- This message was sent by Atlassian Jira (v8.20.10#820010)