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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/main/thread_id_overflow.test
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/main/thread_id_overflow.test')
-rw-r--r--mysql-test/main/thread_id_overflow.test35
1 files changed, 35 insertions, 0 deletions
diff --git a/mysql-test/main/thread_id_overflow.test b/mysql-test/main/thread_id_overflow.test
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+# test 32bit overflow with connection id
+--source include/have_debug.inc
+
+
+# Connect and disconnect once, to create a "hole" in connection ids
+connect con1, localhost,root;
+disconnect con1;
+
+connect con2, localhost,root;
+connection con2;
+
+connection default;
+let $max_id = `SELECT MAX(ID) FROM INFORMATION_SCHEMA.PROCESSLIST`;
+
+SET @orig_debug=@@debug_dbug;
+SET GLOBAL DEBUG_DBUG='+d,thread_id_overflow';
+
+connect con3, localhost,root;
+connection con3;
+# next line gives UINT32_MAX -1;
+SELECT CONNECTION_ID();
+
+connection default;
+SET GLOBAL DEBUG_DBUG=@orig_debug;
+
+connect con4, localhost,root;
+connection con4;
+--replace_result $max_id max_id
+eval select IF(connection_id() - $max_id = 1,'Good','Bad') as result;
+
+disconnect con4;
+disconnect con3;
+disconnect con2;
+
+connection default;