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controls-rework/trends/live/composite indexes.txt

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+-- Composite indexes for your use case
+CREATE INDEX idx_historicaldata_compound ON historicaldata (ID, TimeStamp DESC);
+CREATE INDEX idx_historicaldata_timestamp ON historicaldata (TimeStamp DESC);
+CREATE INDEX idx_id_names_lookup ON id_names (name, idnumber);
+
+-- For date range queries
+CREATE INDEX idx_historicaldata_daterange ON historicaldata (TimeStamp, ID) 
+WHERE TimeStamp >= '2020-01-01';
+
+-- Partial indexes for recent data (if most queries are recent)
+CREATE INDEX idx_recent_data ON historicaldata (ID, TimeStamp DESC) 
+WHERE TimeStamp >= NOW() - INTERVAL 30 DAY;