7 lines
268 B
SQL
7 lines
268 B
SQL
SELECT DISTINCT ON (ep.region_id)
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ep.id, ep.region_id, ep.price_mwh, ep.demand_mw, ep.timestamp, ep.source,
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r.code as region_code, r.name as region_name
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FROM electricity_prices ep
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JOIN grid_regions r ON ep.region_id = r.id
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ORDER BY ep.region_id, ep.timestamp DESC
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