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TabletServer: execute DDLs without timeout #16711

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TabletServer: execute DDLs without timeout #16711

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4 changes: 4 additions & 0 deletions go/vt/vttablet/tabletserver/tabletserver.go
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Original file line number Diff line number Diff line change
Expand Up @@ -822,6 +822,10 @@ func (tsv *TabletServer) execute(ctx context.Context, target *querypb.Target, sq
if err != nil {
return err
}
if plan.PlanID == planbuilder.PlanDDL {
// DDLs (especially ALTER TABLE, OPTIMIZE TABLE) can run for a very long time, so we don't want to enforce a specific timeout.
ctx = context.WithoutCancel(ctx)
}
qre := &QueryExecutor{
query: query,
marginComments: comments,
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