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VTGate MoveTables Buffering: Fix panic when buffering is disabled #16922

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merged 3 commits into from
Oct 11, 2024
Merged

VTGate MoveTables Buffering: Fix panic when buffering is disabled #16922

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4632ac2
Use default timeout if buffering is not enabled and prevent a panic
rohit-nayak-ps Oct 9, 2024
cd0a392
Address code review
rohit-nayak-ps Oct 10, 2024
67ee014
test: added unit test
harshit-gangal Oct 11, 2024
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5 changes: 4 additions & 1 deletion go/vt/vtgate/plan_execute.go
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,10 @@ func (e *Executor) newExecute(
// based on the buffering configuration. This way we should be able to perform the max retries
// within the given window of time for most queries and we should not end up waiting too long
// after the traffic switch fails or the buffer window has ended, retrying old queries.
timeout := e.resolver.scatterConn.gateway.buffer.GetConfig().MaxFailoverDuration / (MaxBufferingRetries - 1)
timeout := 30 * time.Second
if e.resolver.scatterConn.gateway.buffer != nil && e.resolver.scatterConn.gateway.buffer.GetConfig() != nil {
timeout = e.resolver.scatterConn.gateway.buffer.GetConfig().MaxFailoverDuration / (MaxBufferingRetries - 1)
}
if waitForNewerVSchema(ctx, e, lastVSchemaCreated, timeout) {
vs = e.VSchema()
lastVSchemaCreated = vs.GetCreated()
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