更改了内容：
看起来Zabbix在数据库升级期间创建了一个TMP表，将原始表中的数据复制到TMP表，删除原始表，用Constraint创建一个新表，尝试将数据从tmp表复制到新表并失败。我删除了trigger_discovery表的对比，然后更新了，然后跳转到graph_discovery并失败了。我会重新添加约束，但为什么会失败以及需要做什么？
Zabbix LOGS：
query: [create table graph_discovery_tmp (graphid bigint unsigned not null,parent_graphid bigint unsigned not null) engine=innodb]
query: [update dbversion set mandatory=2030012,optional=2030012]
query: [insert into graph_discovery_tmp (select graphid,parent_graphid from graph_discovery)]
query: [update dbversion set mandatory=2030013,optional=2030013]
query: [drop table graph_discovery]
query: [update dbversion set mandatory=203001,optional=203001]
query: [create table graph_discovery (graphid bigint unsigned not null,parent_graphid bigint unsigned not null,primary key (graphid)) engine=innodb]
query: [update dbversion set mandatory=2030015,optional=2030015]
query: [create index graph_discovery_1 on graph_discovery (parent_graphid)]
query: [ update dbversion set mandatory=2030016,optional=2030016]
query: [alter table graph_discovery add constraint c_graph_discovery_1 foreign key (graphid) references graphs (graphid) on delete cascade]
query: [update dbversion set mandatory=2030017,optional=2030017]
query: [alter table graph_discovery add constraint c_graph_discovery_2 foreign key (parent_graphid) references graphs (graphid)]
query: [update dbversion set mandatory=2030018,optional=2030018]
query: [insert into graph_discovery (select graphid,parent_graphid from graph_discovery_tmp)]
query failed: [1452] Cannot add or update a child row: a foreign key constraint fails (`zabbix`.`graph_discovery`, CONSTRAINT `c_graph_discovery_1` FOREIGN KEY (`graphid`) REFERENCES `graphs` (`graphid`) ON DELETE CASCADE) [insert into graph_discovery (select graphid,parent_graphid from graph_discovery_tmp)]
query: [insert into graph_discovery (select graphid,parent_graphid from graph_discovery_tmp)] failed, setting transaction as failed
database upgrade failed
End of DBcheck_version():FAIL
答案 0 :(得分：1)
/var/log/zabbix-server/zabbix_server.log
[Z3005]查询失败：[1452]无法添加或更新子行：外键约束失败（zabbix。graph_discovery，CONSTRAINT c_graph_discovery_1 FOREIGN KEY（{{1参考graphid（graphs）ON DELETE CASCADE）[插入graph_discovery（从graph_discovery_tmp中选择graphid，parent_graphid）]
graphid