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botino/db/migrations/20260119100000_reco_rule_items.sql
2026-01-18 18:28:28 -03:00

40 lines
1.6 KiB
SQL

-- migrate:up
-- Nueva tabla para items de reglas de recomendación con qty/unit
create table if not exists reco_rule_items (
id bigserial primary key,
rule_id bigint not null references product_reco_rules(id) on delete cascade,
woo_product_id integer not null,
qty_per_person numeric(6,3), -- ej: 0.200 = 200g por persona
unit text, -- kg | g | unidad
reason text, -- razón opcional (ej: "base del asado")
display_order integer not null default 0,
unique (rule_id, woo_product_id)
);
create index if not exists reco_rule_items_rule_idx on reco_rule_items(rule_id);
-- Agregar tipo de regla y evento trigger a product_reco_rules
alter table product_reco_rules
add column if not exists rule_type text not null default 'crosssell',
add column if not exists trigger_event text;
-- Índice para búsqueda por tipo y evento
create index if not exists product_reco_rules_type_event_idx
on product_reco_rules(tenant_id, rule_type, trigger_event)
where active = true;
-- Migrar datos existentes: copiar recommended_product_ids a reco_rule_items
insert into reco_rule_items (rule_id, woo_product_id, display_order)
select r.id, unnest(r.recommended_product_ids), row_number() over (partition by r.id)
from product_reco_rules r
where array_length(r.recommended_product_ids, 1) > 0
on conflict (rule_id, woo_product_id) do nothing;
-- migrate:down
drop index if exists product_reco_rules_type_event_idx;
alter table product_reco_rules
drop column if exists rule_type,
drop column if exists trigger_event;
drop table if exists reco_rule_items;