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Add default_route_behaviour setting #145

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merged 1 commit into from
Jun 2, 2023
Merged

Add default_route_behaviour setting #145

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3 changes: 2 additions & 1 deletion pkg/config/router.go
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,8 @@ type Router struct {
}

type QRouter struct {
MulticastUnroutableInsertStatement bool `json:"multicast_unroutable_insert_statement" toml:"multicast_unroutable_insert_statement" yaml:"multicast_unroutable_insert_statement"`
MulticastUnroutableInsertStatement bool `json:"multicast_unroutable_insert_statement" toml:"multicast_unroutable_insert_statement" yaml:"multicast_unroutable_insert_statement"`
DefaultRouteBehaviour string `json:"default_route_behaviour" toml:"default_route_behaviour" yaml:"default_route_behaviour"`
}

type BackendRule struct {
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7 changes: 6 additions & 1 deletion router/pkg/qrouter/proxy_routing.go
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Original file line number Diff line number Diff line change
Expand Up @@ -670,7 +670,12 @@ func (qr *ProxyQrouter) Route(ctx context.Context, parsedStmt *pgquery.ParseResu
}

if route == nil {
return MultiMatchState{}, nil
switch qr.cfg.DefaultRouteBehaviour {
case "BLOCK":
return SkipRoutingState{}, fmt.Errorf("failed to match query to any sharding rule")
default:
return MultiMatchState{}, nil
}
}

spqrlog.Logger.Printf(spqrlog.DEBUG1, "parsed shard route %+v", route)
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