(r *RootExpr)
| 104 | } |
| 105 | |
| 106 | func (f *fieldExpressionRewriter) RewriteRoot(r *RootExpr) *RootExpr { |
| 107 | if r == nil { |
| 108 | return r |
| 109 | } |
| 110 | |
| 111 | pipeline, rwCount := f.rewritePipeline(r.Pipeline) |
| 112 | |
| 113 | return &RootExpr{ |
| 114 | Pipeline: pipeline, |
| 115 | MetricsPipeline: r.MetricsPipeline, |
| 116 | MetricsSecondStage: r.MetricsSecondStage, |
| 117 | Hints: r.Hints, |
| 118 | OptimizationCount: r.OptimizationCount + rwCount, |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | func (f *fieldExpressionRewriter) rewritePipeline(p Pipeline) (Pipeline, int) { |
| 123 | var rwCount int |