16 lines
426 B
SQL
16 lines
426 B
SQL
CREATE VIEW IF NOT EXISTS v_animals_weight_trend AS
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SELECT
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a.id AS animal_id,
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(SELECT m.value
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FROM measurements m
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WHERE m.animal_id = a.id AND m.type = 'weight'
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ORDER BY datetime(m.measured_at) DESC
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LIMIT 1) AS last_weight,
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(SELECT m.value
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FROM measurements m
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WHERE m.animal_id = a.id AND m.type = 'weight'
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ORDER BY datetime(m.measured_at) DESC
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LIMIT 1 OFFSET 1) AS prev_weight
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FROM animals a;
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