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recognise read only error returned from Lua script #2770

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recognise read only error returned from Lua script #2770

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d1c26e1
recognise read only error returned from Lua script
zhengjilei Oct 22, 2023
b42bfae
Merge branch 'master' into fix/close-readonly-connections-for-luascript
ndyakov Jun 24, 2025
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11 changes: 9 additions & 2 deletions error.go
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,7 @@ func shouldRetry(err error, retryTimeout bool) bool {
if strings.HasPrefix(s, "LOADING ") {
return true
}
if strings.HasPrefix(s, "READONLY ") {
if isReadOnlyError(err) {
return true
}
if strings.HasPrefix(s, "MASTERDOWN ") {
Expand Down Expand Up @@ -169,7 +169,14 @@ func isLoadingError(err error) bool {
}

func isReadOnlyError(err error) bool {
return strings.HasPrefix(err.Error(), "READONLY ")
redisError := err.Error()
if strings.HasPrefix(redisError, "READONLY ") {
return true
}

// For a Lua script that includes a write command, the error string
// contains "-READONLY" rather than beginning with "READONLY "
return strings.Contains(redisError, "-READONLY")
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Can we be more strict here? I assume one can easily use a command with working on a "something-readonly" key and trigger an error that will return true for containing "-readonly"

}

func isMovedSameConnAddr(err error, addr string) bool {
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