Graham McIntire
6145f80c22
- point_detail response includes forecast array (score per valid_time) - SVG sparkline shows score trend across all forecast hours - Trend indicator: Improving/Declining/Steady based on first vs last score - Add covering index (band_mhz, lat, lon, valid_time) INCLUDE (score) for point_forecast queries
16 lines
671 B
Elixir
16 lines
671 B
Elixir
defmodule Microwaveprop.Repo.Migrations.AddPointForecastIndex do
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use Ecto.Migration
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def change do
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# Covers point_forecast query: WHERE band_mhz AND lat AND lon ORDER BY valid_time
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# INCLUDE score for index-only scan
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create index(:propagation_scores, [:band_mhz, :lat, :lon, :valid_time],
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include: [:score],
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name: :propagation_scores_point_forecast_idx
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)
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# Covers available_valid_times query: WHERE band_mhz SELECT DISTINCT valid_time
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# Already covered by propagation_scores_band_mhz_valid_time_index, but adding
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# the prune query: DELETE WHERE valid_time < cutoff (covered by valid_time_index)
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end
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end
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