#35180: PostgreSQL pattern ops indexes are dropped when changing between
CharField
and TextField
-------------------------------------+-------------------------------------
Reporter: Robin Ray | Owner:
| timbaginski
Type: Bug | Status: closed
Component: Database layer | Version: dev
(models, ORM) |
Severity: Normal | Resolution: duplicate
Keywords: index postgres | Triage Stage:
migration | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by Mariusz Felisiak):
* status: assigned => closed
* resolution: => duplicate
* stage: Accepted => Unreviewed
Comment:
As far as I'm aware, it is a
[https://github.com/django/django/pull/17807#discussion_r1479565648
duplicate] of #28646 and changing a data type is not crucial for this
issue. It's important that the altered field has `db_index` set to `True`,
in such cases all indexes are deleted in the
`BaseDatabaseSchemaEditor._alter_field()` but in some cases we miss
recreating `_like` indexes.
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Ticket URL: <https://code.djangoproject.com/ticket/35180#comment:5>
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