englefly commented on code in PR #65805:
URL: https://github.com/apache/doris/pull/65805#discussion_r3644270470
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fe/fe-core/src/main/java/org/apache/doris/nereids/rules/rewrite/AccessPathExpressionCollector.java:
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@@ -365,6 +416,7 @@ public Void visitMapKeys(MapKeys mapKeys, CollectorContext
context) {
= new CollectorContext(context.statementContext,
context.bottomFilter);
removeStarContext.accessPathBuilder.accessPath.addAll(suffixPath.subList(1,
suffixPath.size()));
removeStarContext.accessPathBuilder.addPrefix(AccessPathInfo.ACCESS_MAP_KEYS);
+ removeStarContext.setType(context.type);
Review Comment:
map_keys(m)[1] IS NULL 不是判断 null, 是判断map的 size 是否大于 1, 所以这里输出 data path
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