morrySnow commented on code in PR #67642:
URL: https://github.com/apache/doris/pull/67642#discussion_r3965671615
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fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java:
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@@ -2380,10 +2380,12 @@ public boolean isEnableHboNonStrictMatchingMode() {
+ "pushdown minmax on unique table.")
public boolean enablePushDownMinMaxOnUnique = false;
- // Whether enable push down string type minmax to scan node.
+ // Whether enable push down string type minmax to scan node. A string zone
map bound is cut to
+ // 512 bytes, and the storage layer skips the push down for the segments
whose bounds were
+ // actually cut, so turn this off only to stop pushing string minmax down
at all.
Review Comment:
不能改变这个开关的语义，必须要强制走zonemap，否则统计信息收集就没法用了
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