(shardingsphere) branch master updated: Fix NPE when getting estimated count result set is empty (#34295)

[duanzhengqiang]

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duanzhengqiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git


The following commit(s) were added to refs/heads/master by this push:
     new 896df7b0ecd Fix NPE when getting estimated count result set is empty 
(#34295)
896df7b0ecd is described below

commit 896df7b0ecd5e132e846d14ec0f0f9bc7588d214
Author: ZhangCheng <chengzh...@apache.org>
AuthorDate: Fri Jan 10 12:34:59 2025 +0800

    Fix NPE when getting estimated count result set is empty (#34295)
---
 .../preparer/inventory/calculator/InventoryRecordsCountCalculator.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git 
a/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/preparer/inventory/calculator/InventoryRecordsCountCalculator.java
 
b/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/preparer/inventory/calculator/InventoryRecordsCountCalculator.java
index fa9276228ec..008b06421c3 100644
--- 
a/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/preparer/inventory/calculator/InventoryRecordsCountCalculator.java
+++ 
b/kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/preparer/inventory/calculator/InventoryRecordsCountCalculator.java
@@ -80,8 +80,7 @@ public final class InventoryRecordsCountCalculator {
                 Connection connection = dataSource.getConnection();
                 PreparedStatement preparedStatement = 
connection.prepareStatement(estimatedCountSQL)) {
             try (ResultSet resultSet = preparedStatement.executeQuery()) {
-                resultSet.next();
-                return resultSet.getLong(1);
+                return resultSet.next() ? resultSet.getLong(1) : 0;
             }
         }
     }