csun5285 commented on code in PR #67642:
URL: https://github.com/apache/doris/pull/67642#discussion_r4024087124
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fe/fe-core/src/main/java/org/apache/doris/statistics/analysis/OlapAnalysisTask.java:
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@@ -150,6 +150,8 @@ protected ResultRow collectMinMax() {
String sql = stringSubstitutor.replace(BASIC_STATS_TEMPLATE);
ResultRow resultRow;
try (AutoCloseConnectContext r =
StatisticsUtil.buildConnectContext(false)) {
+ // Force this statistics query to take min/max from the zone map.
+
r.connectContext.getSessionVariable().setForcePushDownZonemapMinMax(true);
Review Comment:
buildConnectContext 会被复用，导致不是统计信息的查询也会设置上这个，比如 SimpleAggCacheMgr 中的sql
`SELECT min(`col`), max(`col`) FROM `catalog`.`db`.`tbl``
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