github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/sql/execinfrapb/stats.go (about)

     1  // Copyright 2018 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package execinfrapb
    12  
    13  import "github.com/cockroachdb/cockroach/pkg/util/tracing"
    14  
    15  // FlowIDTagKey is the key used for flow id tags in tracing spans.
    16  const FlowIDTagKey = tracing.TagPrefix + "flowid"
    17  
    18  // StreamIDTagKey is the key used for stream id tags in tracing spans.
    19  const StreamIDTagKey = tracing.TagPrefix + "streamid"
    20  
    21  // ProcessorIDTagKey is the key used for processor id tags in tracing spans.
    22  const ProcessorIDTagKey = tracing.TagPrefix + "processorid"
    23  
    24  // DistSQLSpanStats is a tracing.SpanStats that returns a list of stats to
    25  // output on a query plan.
    26  type DistSQLSpanStats interface {
    27  	tracing.SpanStats
    28  	StatsForQueryPlan() []string
    29  }