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


The following commit(s) were added to refs/heads/master by this push:
     new fd905b66b0 [refactor](jdbc) close datasource if no need to maintain 
the cache (#18724)
fd905b66b0 is described below

commit fd905b66b028fc5e8c98d5cbcbd8acc4854006f7
Author: zhangstar333 <[email protected]>
AuthorDate: Sat Apr 22 22:07:34 2023 +0800

    [refactor](jdbc) close datasource if no need to maintain the cache (#18724)
    
    after pr #18670
    could use jvm parameters to init jdbc datasource,
    but when set JDBC_MIN_POOL=0, it can be immediately closed.
    There is no need to wait for the recycling timer.
---
 fe/java-udf/src/main/java/org/apache/doris/udf/JdbcExecutor.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fe/java-udf/src/main/java/org/apache/doris/udf/JdbcExecutor.java 
b/fe/java-udf/src/main/java/org/apache/doris/udf/JdbcExecutor.java
index c25a60dff0..17cc75b168 100644
--- a/fe/java-udf/src/main/java/org/apache/doris/udf/JdbcExecutor.java
+++ b/fe/java-udf/src/main/java/org/apache/doris/udf/JdbcExecutor.java
@@ -108,6 +108,12 @@ public class JdbcExecutor {
         if (conn != null) {
             conn.close();
         }
+        if (minIdleSize == 0) {
+            // it can be immediately closed if there is no need to maintain 
the cache of datasource
+            druidDataSource.close();
+            JdbcDataSource.getDataSource().getSourcesMap().clear();
+            druidDataSource = null;
+        }
         resultSet = null;
         stmt = null;
         conn = null;


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