membphis commented on code in PR #12465:
URL: https://github.com/apache/apisix/pull/12465#discussion_r2244936391
##########
apisix/plugins/workflow.lua:
##########
@@ -123,13 +123,13 @@ function _M.check_schema(conf)
if not ok then
return false, "failed to validate the 'case' expression: " ..
err
end
- setmetatable(rule, {
- __index = function(_, key)
- if key == "__expr" then
- return expr
- end
+ local mt = getmetatable(rule) or {}
Review Comment:
pls take a look at this style:
```
local my_table = {}
local meta = getmetatable(my_table)
if not meta then
meta = {}
setmetatable(my_table, meta)
end
meta.a = "a"
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