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Made migration path faster (references #695)

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Bernd Bestel 2021-07-11 10:06:31 +02:00
parent dd9cae5482
commit 684aef0a42
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GPG Key ID: 71BD34C0D4891300
1 changed files with 41 additions and 6 deletions
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47
migrations/0139.sql
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@ -165,6 +165,47 @@ BEGIN
AND name NOT IN (SELECT CAST(day AS TEXT) || '#' || CAST(id AS TEXT) FROM meal_plan WHERE type = 'recipe');
END;
CREATE TRIGGER TEMPORARY_update_internal_recipe AFTER UPDATE ON meal_plan
BEGIN
/*
Temporary trigger (only needed for migration, will be dropped again below),
basically the same as update_internal_recipe,
but only contains the part for generating the new mealplan-shadow recipes
*/
-- Create a shadow recipe per meal plan recipe
INSERT OR REPLACE INTO recipes
(id, name, type)
SELECT (SELECT MIN(id) - 1 FROM recipes), CAST(NEW.day AS TEXT) || '#' || CAST(id AS TEXT), 'mealplan-shadow'
FROM meal_plan
WHERE id = NEW.id
AND type = 'recipe'
AND recipe_id IS NOT NULL;
DELETE FROM recipes_nestings
WHERE recipe_id IN (SELECT id FROM recipes WHERE name IN (SELECT CAST(NEW.day AS TEXT) || '#' || CAST(id AS TEXT) FROM meal_plan WHERE day = NEW.day) AND type = 'mealplan-shadow');
INSERT INTO recipes_nestings
(recipe_id, includes_recipe_id, servings)
SELECT (SELECT id FROM recipes WHERE name = CAST(NEW.day AS TEXT) || '#' || CAST(meal_plan.id AS TEXT) AND type = 'mealplan-shadow'), recipe_id, recipe_servings
FROM meal_plan
WHERE id = NEW.id
AND type = 'recipe'
AND recipe_id IS NOT NULL;
END;
/*
Dummy update over all existing meal-plan recipe entries
to generate the new internal mealplan-shadow recipes
(by the trigger TEMPORARY_update_internal_recipe)
*/
UPDATE meal_plan
SET day = day
WHERE type = 'recipe'
AND recipe_id IS NOT NULL;
DROP TRIGGER TEMPORARY_update_internal_recipe;
CREATE TRIGGER update_internal_recipe AFTER UPDATE ON meal_plan
BEGIN
/* This contains practically the same logic as the trigger create_internal_recipe */
@ -254,9 +295,3 @@ BEGIN
AND type = 'recipe'
AND recipe_id IS NOT NULL;
END;
-- Dummy update over all existing meal-plan recipe entries to generate the new internal mealplan-shadow recipes
UPDATE meal_plan
SET day = day
WHERE type = 'recipe'
AND recipe_id IS NOT NULL;