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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb7
1 files changed, 4 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 8619da8c5b..8f2ba6e6c4 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -251,7 +251,7 @@ module ActiveRecord
# First try looking for a sequence with a dependency on the
# given table's primary key.
result = execute(<<-end_sql, 'PK and serial sequence')[0]
- SELECT attr.attname, (name.nspname || '.' || seq.relname)
+ SELECT attr.attname, name.nspname, seq.relname
FROM pg_class seq,
pg_attribute attr,
pg_depend dep,
@@ -274,7 +274,7 @@ module ActiveRecord
# the 8.1+ nextval('foo'::regclass).
# TODO: assumes sequence is in same schema as table.
result = execute(<<-end_sql, 'PK and custom sequence')[0]
- SELECT attr.attname, (name.nspname || '.' || split_part(def.adsrc, '\\\'', 2))
+ SELECT attr.attname, name.nspname, split_part(def.adsrc, '\\\'', 2)
FROM pg_class t
JOIN pg_namespace name ON (t.relnamespace = name.oid)
JOIN pg_attribute attr ON (t.oid = attrelid)
@@ -285,7 +285,8 @@ module ActiveRecord
AND def.adsrc ~* 'nextval'
end_sql
end
- result
+ # check for existence of . in sequence name as in public.foo_sequence. if it does not exist, join the current namespace
+ result.last['.'] ? [result.first, result.last] : [result.first, "#{result[1]}.#{result[2]}"]
rescue
nil
end