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user:
username: root
key_file: private_key
oceanbase-ce:
servers:
- name: server1
ip: 10.0.10.11
- name: server2
ip: 10.0.10.12
- name: server3
ip: 10.0.10.13
server1:
mysql_port: 10000
rpc_port: 10001
home_path: /root/data/observer1
zone: zone1
server2:
mysql_port: 10000
rpc_port: 10001
home_path: /root/data/observer2
zone: zone2
server3:
mysql_port: 10000
rpc_port: 10001
home_path: /root/data/observer3
zone: zone3
tag: latest
include: obd/observer.include.yaml
global:
# for default system config used by farm, please see tools/deploy/obd/observer.include.yaml
# You can also specify the configuration directly below (stored locally, switching the working directory and redeploying will still take effect)
production_mode: false
devname: eth0
syslog_level: 'WARN'
syslog_io_bandwidth_limit: '30M'
log_disk_size: '30G'
# diag_syslog_per_error_limit: '4'
max_syslog_file_count: '4'
cpu_count: '6'
datafile_size: '10G'
datafile_next: '5G'
datafile_maxsize: '30G'
root_password: ''
memory_limit: '9G'
system_memory: '1G'
obproxy-ce:
servers:
- 10.0.10.8
global:
listen_port: 10004
prometheus_listen_port: 10005
syslog_level: 'WARN'
home_path: /root/data/obproxy
root_password: ''
include: obd/obproxy.include.yaml
depends:
- oceanbase-ce
租户配置:
DROP TENANT mysql FORCE;
DROP RESOURCE POOL pool_for_tenant_mysql;
CREATE RESOURCE UNIT 4c7g MAX_CPU 4, MIN_CPU 4, MEMORY_SIZE '7G';
create resource pool pool_test unit='4c7g', unit_num=1, zone_list=('zone1' ,'zone2', 'zone3');
create tenant test resource_pool_list=('pool_test'), primary_zone='RANDOM',comment 'test tenant', charset='utf8' set ob_tcp_invited_nodes='%', recyclebin=OFF, ob_query_timeout=5000000;
Describe the bug
master分支版本,对于参数为常数的
stddev_pop()
,返回了预期之外的NULLFast Reproduce Steps(Required)
先执行
init.sql
建表,随后执行error.sql
,出现预期之外的结果。可以尝试多次执行error.sql
来复现错误。如果多次尝试未果,可以尝试重新建立数据库,再次执行init.sql
建表init.sql.txt
error.sql.txt
Expected behavior
对于参数为常数的
stddev_pop()
,结果不应为NULL.Actual Behavior
MySQL结果:
OB的单节点版本有错误,多节点版本正常
多节点:
单节点:
Environment
部署配置文件
租户配置:
Additional Context
我们是来自北京航空航天大学网络空间安全学院的BASS团队,主要从事系统软件安全、操作系统和程序分析研究,研发自动化程序测试框架检测软件缺陷。我们使用自研的数据库漏洞测试工具在OceanBase中找到了上述可能的漏洞。
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