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fix(restore): drop text search objects in the postgres --empty pre-clean

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A schema shipping a custom text search dictionary (taiga's english_stem_nostop) survived the pre-clean and aborted the dump replay with a duplicate pg_ts_dict_dictname_index violation under ON_ERROR_STOP. The discovery SELECT now also enumerates user-owned pg_ts_config and pg_ts_dict entries. The string-assertion unit test is replaced by real scenario data in the e2e: the seeded schema now contains an overloaded f()/f(int) pair and the nostop dictionary plus configuration, and the restored database is queried to prove each survives the backup, pre-clean and replay cycle exactly once.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Kevin Veen-Birkenbach
2026-07-18 00:34:53 +02:00
parent 53460242d8
commit bd267cc280
3 changed files with 39 additions and 57 deletions
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10
src/baudolo/restore/db/postgres.py
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@@ -99,6 +99,16 @@ SELECT format('DROP %s IF EXISTS public.%s CASCADE', obj.type, obj.name)
FROM pg_collation col JOIN pg_namespace n ON n.oid = col.collnamespace
WHERE n.nspname = 'public'
AND pg_get_userbyid(col.collowner) = current_user
UNION ALL
SELECT format('%I', ts.cfgname) AS name, 'TEXT SEARCH CONFIGURATION' AS type
FROM pg_ts_config ts JOIN pg_namespace n ON n.oid = ts.cfgnamespace
WHERE n.nspname = 'public'
AND pg_get_userbyid(ts.cfgowner) = current_user
UNION ALL
SELECT format('%I', d.dictname) AS name, 'TEXT SEARCH DICTIONARY' AS type
FROM pg_ts_dict d JOIN pg_namespace n ON n.oid = d.dictnamespace
WHERE n.nspname = 'public'
AND pg_get_userbyid(d.dictowner) = current_user
) obj
UNION ALL
SELECT format('DROP SCHEMA IF EXISTS %I CASCADE', n.nspname)