zitadel/internal/eventstore/v3/unique_constraints_delete_placeholders.sql
Elio Bischof 8982e1aae3
fix(postgres <=15): delete unique constraints (#6971)
fix(postgres): delete unique constraints
2023-11-24 07:23:23 +01:00

14 lines
715 B
SQL

-- the query is so complex because we accidentally stored unique constraint case sensitive
-- the query checks first if there is a case sensitive match and afterwards if there is a case insensitive match
(instance_id = $%[1]d AND unique_type = $%[2]d AND unique_field = (
SELECT unique_field from (
SELECT instance_id, unique_type, unique_field
FROM eventstore.unique_constraints
WHERE instance_id = $%[1]d AND unique_type = $%[2]d AND unique_field = $%[3]d
UNION ALL
SELECT instance_id, unique_type, unique_field
FROM eventstore.unique_constraints
WHERE instance_id = $%[1]d AND unique_type = $%[2]d AND unique_field = LOWER($%[3]d)
) AS case_insensitive_constraints LIMIT 1)
)