Upsert doesn't work when there's unique index

[samdark]

Description

I've got the bug using PostgreSQL.

Create a table

$b->createTable('page', [
    'id' => $cb::uuidPrimaryKey(),
    'title' => $cb::string()->notNull(),
    'slug' => $cb::string()->notNull()->unique(),
    'text' => $cb::text()->notNull(),
    'created_at' => $cb::dateTime(),
    'updated_at' => $cb::dateTime(),
]);

Do upsert:

$this->connection->createCommand()->upsert('{{%page}}', [
    'id' => $page->id,
    'title' => $page->title,
    'slug' => $page->getSlug(),
    'text' => $page->text,
    'created_at' => $page->createdAt,
    'updated_at' => $page->updatedAt,
])->execute();

Get the error:

QLSTATE[42P10]: Invalid column reference: 7 ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
The SQL being executed was: INSERT INTO "page" ("id", "title", "slug", "text", "created_at", "updated_at") VALUES ('019b5c77-1c8b-72bd-a0c9-547987f9cf9c', 'Test', 'test', 'test', '2025-12-26 21:01:08', '2025-12-26 21:01:08') ON CONFLICT ("id", "slug") DO UPDATE SET "title"=EXCLUDED."title", "text"=EXCLUDED."text", "created_at"=EXCLUDED."created_at", "updated_at"=EXCLUDED."updated_at"

Package version

2.0.0

PHP version

8.2