yiguolei commented on code in PR #22442:
URL: https://github.com/apache/doris/pull/22442#discussion_r1300805351


##########
be/src/olap/reader.cpp:
##########
@@ -616,9 +616,19 @@ Status TabletReader::_init_delete_condition(const 
ReaderParams& read_params) {
                       ((read_params.reader_type == 
ReaderType::READER_CUMULATIVE_COMPACTION &&
                         config::enable_delete_when_cumu_compaction)) ||
                       read_params.reader_type == ReaderType::READER_CHECKSUM);
-
+    if (_filter_delete) {
+        // note(tsy): for compaction, keep delete sub pred v1 temporarily
+        return _delete_handler.init(_tablet_schema, 
read_params.delete_predicates,
+                                    read_params.version.second, false);
+    }
+    auto* runtime_state = read_params.runtime_state;
+    // note(tsy): for query, use session var to enable delete sub pred v2, for 
schema change, use v2 directly
+    bool enable_sub_pred_v2 =
+            runtime_state == nullptr
+                    ? true
+                    : 
runtime_state->query_options().enable_delete_sub_predicate_v2;

Review Comment:
   add a method in runtime state ---  enable_delete_predicate_v2()



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