(doris-thirdparty) branch clucene updated: [Fix](bkd) fix estimate_point_count for empty tree (#145)

[ji...@apache.org]

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jianliangqi pushed a commit to branch clucene
in repository https://gitbox.apache.org/repos/asf/doris-thirdparty.git


The following commit(s) were added to refs/heads/clucene by this push:
     new 26206be1 [Fix](bkd) fix estimate_point_count for empty tree (#145)
26206be1 is described below

commit 26206be1608775a58071d77f2d47ad363afd8028
Author: airborne12 <ai...@gmail.com>
AuthorDate: Wed Dec 6 17:14:03 2023 +0800

    [Fix](bkd) fix estimate_point_count for empty tree (#145)
---
 src/core/CLucene/util/bkd/bkd_reader.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/core/CLucene/util/bkd/bkd_reader.cpp b/src/core/CLucene/util/bkd/bkd_reader.cpp
index 4f22f348..30af9515 100644
--- a/src/core/CLucene/util/bkd/bkd_reader.cpp
+++ b/src/core/CLucene/util/bkd/bkd_reader.cpp
@@ -177,9 +177,7 @@ std::shared_ptr<bkd_reader::intersect_state> bkd_reader::get_intersect_state(bkd
                                              index);
 }
 
-void bkd_reader::intersect(bkd_reader::intersect_visitor *visitor)
-
-{
+void bkd_reader::intersect(bkd_reader::intersect_visitor *visitor) {
     if (indexFP == 0) {
         return;
     }
@@ -190,6 +188,10 @@ void bkd_reader::intersect(bkd_reader::intersect_visitor *visitor)
 }
 
 int64_t bkd_reader::estimate_point_count(bkd_reader::intersect_visitor *visitor) {
+    // indexFP is 0 means it's a empty tree, just return 0
+    if (indexFP == 0) {
+        return 0;
+    }
     // because we will modify min/max packed value in intersect, so we copy them in the first time.
     auto min_packed_value = min_packed_value_;
     auto max_packed_value = max_packed_value_;


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