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| author | Yasuo Honda <yasuo.honda@gmail.com> | 2017-04-18 12:16:58 +0000 |
|---|---|---|
| committer | Yasuo Honda <yasuo.honda@gmail.com> | 2017-05-30 16:45:20 +0000 |
| commit | 47cb924d9122fc00deeb9aa4db7a92685ae9e7ef (patch) | |
| tree | a919fe80ba9b08a745dc95f5f18eaed627c252ca /tasks | |
| parent | eb804ad5a783e1e97720ef55a91b6aae7ebd724f (diff) | |
| download | rails-47cb924d9122fc00deeb9aa4db7a92685ae9e7ef.tar.gz rails-47cb924d9122fc00deeb9aa4db7a92685ae9e7ef.tar.bz2 rails-47cb924d9122fc00deeb9aa4db7a92685ae9e7ef.zip | |
Support PostgreSQL 10 `pg_sequence`
Another fix for #28780 based on discussions at #28789
- In PostgreSQL 10 each sequence does not know its `min_value`.
A new system catalog `pg_sequence` shows it as `seqmin`.
Refer https://github.com/postgres/postgres/commit/1753b1b027035029c2a2a1649065762fafbf63f3
- `setval` 3rd argument needs to set to `false` only when the table has no rows
to avoid `nextval(<sequence_name>)` returns `2` where `1` is expected.
- `min_value` is only necessary when the table has no rows. It used to be necessary
since the 3rd argument of `setval` is always `false`.
Diffstat (limited to 'tasks')
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