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Refactor SQL query for finished productions: Update to use DISTINCT ON for unique production IDs, change JOINs to LEFT JOINs for character and director relationships, and simplify capacity checks to ensure sufficient storage for productions. Adjust ordering for improved query performance.

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This commit is contained in:
Torsten Schulz (local)
2026-02-02 15:04:56 +01:00
parent 340c658ad1
commit 2f875d6c1c
3 changed files with 19 additions and 29 deletions
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7
src/worker/produce.rs
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@@ -257,12 +257,9 @@ impl ProduceWorker {
.get("used_in_stock")
.and_then(|v| v.parse::<i32>().ok())
.unwrap_or(0);
let running_productions_quantity: i32 = row
.get("running_productions_quantity")
.and_then(|v| v.parse::<i32>().ok())
.unwrap_or(0);
let free_capacity = stock_size - used_in_stock - running_productions_quantity;
// Freier Platz = aktuell befüllte Kapazität; laufende Produktionen belegen noch keinen Lagerplatz
let free_capacity = stock_size - used_in_stock;
free_capacity >= required_quantity
}

33
src/worker/sql.rs
View File

@@ -1382,7 +1382,7 @@ WHERE b.falukant_user_id = $1 AND s.stock_type_id = $2;
"#;
// Produce worker queries
pub const QUERY_GET_FINISHED_PRODUCTIONS: &str = r#"
SELECT
SELECT DISTINCT ON (p.id)
p.id AS production_id,
p.branch_id,
p.product_id,
@@ -1409,13 +1409,13 @@ pub const QUERY_GET_FINISHED_PRODUCTIONS: &str = r#"
ON p.product_id = pr.id
JOIN falukant_data.branch br
ON p.branch_id = br.id
JOIN falukant_data.character c
LEFT JOIN falukant_data.character c
ON c.user_id = br.falukant_user_id
LEFT JOIN falukant_data.knowledge k
ON p.product_id = k.product_id
AND k.character_id = c.id
LEFT JOIN falukant_data.director d
ON d.employer_user_id = c.user_id
ON d.employer_user_id = br.falukant_user_id
LEFT JOIN falukant_data.knowledge k2
ON k2.character_id = d.director_character_id
AND k2.product_id = p.product_id
@@ -1424,29 +1424,22 @@ pub const QUERY_GET_FINISHED_PRODUCTIONS: &str = r#"
LEFT JOIN falukant_type.product_weather_effect pwe
ON pwe.product_id = p.product_id
AND pwe.weather_type_id = w.weather_type_id
-- Prüfe, ob genug freier Lagerplatz vorhanden ist
-- Prüfe, ob genug freier Lagerplatz vorhanden ist (korrelierte Subqueries, keine JOIN-Multiplikation)
LEFT JOIN (
SELECT
SELECT
br2.id AS branch_id,
COALESCE(SUM(fds.quantity), 0) AS stock_size,
COALESCE(SUM(COALESCE(fdi.quantity, 0)), 0) AS used_in_stock,
COALESCE(SUM(COALESCE(fdp2.quantity, 0)), 0) AS running_productions_quantity
(SELECT COALESCE(SUM(quantity), 0) FROM falukant_data.stock WHERE branch_id = br2.id) AS stock_size,
(SELECT COALESCE(SUM(fdi.quantity), 0) FROM falukant_data.stock fds
JOIN falukant_data.inventory fdi ON fdi.stock_id = fds.id WHERE fds.branch_id = br2.id) AS used_in_stock,
(SELECT COALESCE(SUM(quantity), 0) FROM falukant_data.production WHERE branch_id = br2.id) AS running_productions_quantity
FROM falukant_data.branch br2
LEFT JOIN falukant_data.stock fds ON fds.branch_id = br2.id
LEFT JOIN falukant_data.inventory fdi ON fdi.stock_id = fds.id
LEFT JOIN falukant_data.production fdp2 ON fdp2.branch_id = br2.id
GROUP BY br2.id
) capacity ON capacity.branch_id = p.branch_id
-- Wetter-Effekte derzeit aus der Qualitätsberechnung entfernt
WHERE p.start_timestamp + INTERVAL '1 minute' * pr.production_time <= NOW()
-- Nur Produktionen zurückgeben, für die genug Lagerplatz vorhanden ist
-- running_productions_quantity enthält bereits p.quantity
-- Nach dem Abschluss von p muss Platz sein: stock_size - used_in_stock - (running_productions_quantity - p.quantity) >= p.quantity
-- Vereinfacht: stock_size - used_in_stock - running_productions_quantity + p.quantity >= p.quantity
-- Oder: stock_size - used_in_stock - running_productions_quantity >= 0
-- ABER: Wir müssen sicherstellen, dass p.quantity auch wirklich Platz hat
AND (capacity.stock_size - capacity.used_in_stock - capacity.running_productions_quantity + p.quantity) >= p.quantity
ORDER BY p.start_timestamp;
-- Freier Platz = stock_size - used_in_stock; laufende Produktionen belegen noch keinen Platz.
-- Es muss genug Platz für p.quantity sein: (stock_size - used_in_stock) >= p.quantity
AND (capacity.stock_size - capacity.used_in_stock) >= p.quantity
ORDER BY p.id, p.start_timestamp;
"#;
pub const QUERY_DELETE_PRODUCTION: &str = r#"