iwangjie commented on code in PR #4380:
URL: https://github.com/apache/shenyu/pull/4380#discussion_r1105446548
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shenyu-admin/src/main/java/org/apache/shenyu/admin/service/impl/RuleServiceImpl.java:
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@@ -152,11 +152,17 @@ public int update(final RuleDTO ruleDTO) {
Assert.notNull(before, "the updated rule is not found");
RuleDO ruleDO = RuleDO.buildRuleDO(ruleDTO);
final int ruleCount = ruleMapper.updateSelective(ruleDO);
+
+ // need old data for cleaning
+ final List<RuleConditionDO> beforeRuleCondition =
ruleConditionMapper.selectByQuery(new RuleConditionQuery(ruleDO.getId()));
Review Comment:
because the gateway uses the prefix tree to handle the cache, I can not
clean up the history cache if Conditions change, so I pass the pre-modified
Conditions to the past for precision cleaning.
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