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fix(postgres <=15): delete unique constraints (#6971)

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fix(postgres): delete unique constraints

(cherry picked from commit 8982e1aae3)
This commit is contained in:
Elio Bischof
2023-11-24 07:23:23 +01:00
committed by Livio Spring
parent f9859b0480
commit a2fa396ec0
2 changed files with 16 additions and 3 deletions
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13
internal/eventstore/v3/unique_constraints_delete_placeholders.sql Normal file
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@@ -0,0 +1,13 @@
-- 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)
)