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Idalecio Schvartz Sobrinho
2026-06-30 11:03:57 -03:00
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parent 7dc8b8b862
commit bbc4a50760
1 changed files with 7 additions and 8 deletions
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3_triggers.md
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@@ -20,15 +20,14 @@ BEGIN
UPDATE encomenda
SET valor = (
SELECT COALESCE(
SUM(m.custo + LENGTH(i.frase) * m.valor_letra),
0.00
)
SELECT COALESCE(
SUM(m.custo + LENGTH(i.frase) * m.valor_letra), 0.00
)
-- Coalese pq ele tenta pegar sum, se ficar null, retorna 0.00 msm, como um operador ternario
FROM item i
JOIN placa p ON p.id = i.placa_id
JOIN material m ON m.id = p.material_id
WHERE i.encomenda_id = val_enc_id
FROM item i
JOIN placa p ON p.id = i.placa_id
JOIN material m ON m.id = p.material_id
WHERE i.encomenda_id = val_enc_id
)
WHERE id = val_enc_id;