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157 lines
7.3 KiB
SQL
157 lines
7.3 KiB
SQL
-- +goose Up
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-- Description: Updates the farm_analytics_view (Version 3) to remove financial data
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-- and fetch the *latest* weather data instead of aggregating.
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-- Drop the existing view (from migration 00009)
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DROP MATERIALIZED VIEW IF EXISTS public.farm_analytics_view;
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-- Recreate the materialized view with updated logic
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CREATE MATERIALIZED VIEW public.farm_analytics_view AS
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SELECT
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f.uuid AS farm_id,
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f.name AS farm_name,
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f.owner_id,
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f.farm_type,
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f.total_size,
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-- Determine last update time based on farm update or latest event
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COALESCE(
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(SELECT MAX(ae_max.created_at) FROM public.analytics_events ae_max WHERE ae_max.farm_id = f.uuid),
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f.updated_at
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) AS last_updated,
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-- Weather data: Select the *latest* 'weather.updated' event data for the farm
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(
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SELECT jsonb_build_object(
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'last_updated', latest_weather.created_at, -- Use the event timestamp
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'temperature', (latest_weather.event_data->>'temperature')::float,
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'humidity', (latest_weather.event_data->>'humidity')::float,
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'rainfall', (latest_weather.event_data->>'rainfall')::float, -- Assuming 'rainfall' exists
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'wind_speed', (latest_weather.event_data->>'wind_speed')::float,
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'weather_status', latest_weather.event_data->>'weather_status', -- Assuming 'weather_status' exists
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'alert_level', latest_weather.event_data->>'alert_level', -- Assuming 'alert_level' exists
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'forecast_summary', latest_weather.event_data->>'forecast_summary' -- Assuming 'forecast_summary' exists
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-- Add more fields here, ensuring they exist in your 'weather.updated' event_data JSON
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)
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FROM (
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-- Find the most recent weather event for this farm
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SELECT ae_w.event_data, ae_w.created_at
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FROM public.analytics_events ae_w
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WHERE ae_w.farm_id = f.uuid AND ae_w.event_type = 'weather.updated' -- Make sure event_type is correct
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ORDER BY ae_w.created_at DESC
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LIMIT 1
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) AS latest_weather
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) AS weather_data, -- This will be NULL if no 'weather.updated' event exists for the farm
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-- Inventory data aggregation (Keep logic from V2 or refine)
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(
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SELECT jsonb_build_object(
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'items', COALESCE(jsonb_agg(ae_i.event_data->'items' ORDER BY (ae_i.event_data->>'timestamp') DESC) FILTER (WHERE ae_i.event_data ? 'items'), '[]'::jsonb),
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'last_updated', MAX(ae_i.created_at)
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)
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FROM analytics_events ae_i
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WHERE ae_i.farm_id = f.uuid AND ae_i.event_type = 'inventory.updated' -- Ensure event type is correct
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) AS inventory_data,
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-- Plant health data aggregation (Keep logic from V2 or refine)
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(
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SELECT jsonb_build_object(
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'status', MAX(ae_p.event_data->>'status'),
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'issues', COALESCE(jsonb_agg(ae_p.event_data->'issues') FILTER (WHERE ae_p.event_data ? 'issues'), '[]'::jsonb),
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'last_updated', MAX(ae_p.created_at)
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)
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FROM analytics_events ae_p
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WHERE ae_p.farm_id = f.uuid AND ae_p.event_type = 'plant_health.updated' -- Ensure event type is correct
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) AS plant_health_data,
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-- Financial data aggregation -- REMOVED --
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-- Production data aggregation (Keep logic from V2 or refine)
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(
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SELECT jsonb_build_object(
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'yield_total', SUM((ae_pr.event_data->>'yield')::float) FILTER (WHERE ae_pr.event_data ? 'yield'),
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'forecast_latest', MAX(ae_pr.event_data->>'forecast') FILTER (WHERE ae_pr.event_data ? 'forecast'),
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'last_updated', MAX(ae_pr.created_at)
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)
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FROM analytics_events ae_pr
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WHERE ae_pr.farm_id = f.uuid AND ae_pr.event_type = 'production.updated' -- Ensure event type is correct
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) AS production_data
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FROM
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public.farms f;
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-- Recreate indexes for faster queries on the new view structure
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CREATE UNIQUE INDEX idx_farm_analytics_view_farm_id ON public.farm_analytics_view(farm_id);
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CREATE INDEX idx_farm_analytics_view_owner_id ON public.farm_analytics_view(owner_id);
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-- The refresh function and triggers from migration 00005 should still work.
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-- +goose Down
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-- Revert to the previous version (from migration 00009)
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-- Drop the modified view
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DROP MATERIALIZED VIEW IF EXISTS public.farm_analytics_view;
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-- Recreate the view from migration 00009 (including financial data and aggregated weather)
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CREATE MATERIALIZED VIEW public.farm_analytics_view AS
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SELECT
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f.uuid AS farm_id,
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f.name AS farm_name,
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f.owner_id,
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f.farm_type,
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f.total_size,
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COALESCE(
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(SELECT MAX(ae_max.created_at) FROM public.analytics_events ae_max WHERE ae_max.farm_id = f.uuid),
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f.updated_at
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) AS last_updated,
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(
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SELECT jsonb_build_object(
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'temperature_avg', AVG((ae_w.event_data->>'temperature')::float) FILTER (WHERE ae_w.event_data ? 'temperature'),
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'humidity_avg', AVG((ae_w.event_data->>'humidity')::float) FILTER (WHERE ae_w.event_data ? 'humidity'),
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'forecasts', jsonb_agg(ae_w.event_data->'forecast') FILTER (WHERE ae_w.event_data ? 'forecast')
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)
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FROM analytics_events ae_w
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WHERE ae_w.farm_id = f.uuid AND ae_w.event_type = 'weather.updated'
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) AS weather_data,
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(
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SELECT jsonb_build_object(
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'items', COALESCE(jsonb_agg(ae_i.event_data->'items' ORDER BY (ae_i.event_data->>'timestamp') DESC) FILTER (WHERE ae_i.event_data ? 'items'), '[]'::jsonb),
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'last_updated', MAX(ae_i.created_at)
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)
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FROM analytics_events ae_i
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WHERE ae_i.farm_id = f.uuid AND ae_i.event_type = 'inventory.updated'
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) AS inventory_data,
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(
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SELECT jsonb_build_object(
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'status', MAX(ae_p.event_data->>'status'),
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'issues', COALESCE(jsonb_agg(ae_p.event_data->'issues') FILTER (WHERE ae_p.event_data ? 'issues'), '[]'::jsonb),
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'last_updated', MAX(ae_p.created_at)
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)
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FROM analytics_events ae_p
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WHERE ae_p.farm_id = f.uuid AND ae_p.event_type = 'plant_health.updated'
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) AS plant_health_data,
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(
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SELECT jsonb_build_object(
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'revenue', SUM((ae_f.event_data->>'revenue')::float) FILTER (WHERE ae_f.event_data ? 'revenue'),
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'expenses', SUM((ae_f.event_data->>'expenses')::float) FILTER (WHERE ae_f.event_data ? 'expenses'),
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'profit', SUM((ae_f.event_data->>'profit')::float) FILTER (WHERE ae_f.event_data ? 'profit'),
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'last_updated', MAX(ae_f.created_at)
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)
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FROM analytics_events ae_f
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WHERE ae_f.farm_id = f.uuid AND ae_f.event_type = 'financial.updated'
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) AS financial_data,
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(
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SELECT jsonb_build_object(
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'yield_total', SUM((ae_pr.event_data->>'yield')::float) FILTER (WHERE ae_pr.event_data ? 'yield'),
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'forecast_latest', MAX(ae_pr.event_data->>'forecast') FILTER (WHERE ae_pr.event_data ? 'forecast'),
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'last_updated', MAX(ae_pr.created_at)
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)
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FROM analytics_events ae_pr
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WHERE ae_pr.farm_id = f.uuid AND ae_pr.event_type = 'production.updated'
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) AS production_data
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FROM
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public.farms f;
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-- Recreate indexes for the V2 view structure
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CREATE UNIQUE INDEX idx_farm_analytics_view_farm_id ON public.farm_analytics_view(farm_id);
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CREATE INDEX idx_farm_analytics_view_owner_id ON public.farm_analytics_view(owner_id);
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-- The refresh function and triggers from 00005 are assumed to still exist. |