[lesomnus]

Closes #3.

A view could be declared like an entity and was generated as a read-only one, but nothing ever created it in the database. Wiring it up was not possible either:

• migrate.Tables held no view. Only the ent schema command reached Graph.Views, and it printed the DDL instead of applying it.
• Ent inspects tables only, so a view in the desired state would show up as missing on every run.
• The bundled Atlas (v1.3.0) has a schema.View type, but none of its open-source drivers inspect views or plan adding, changing or dropping them. So the diff half could not be wired, whatever this repository did.

What remained was the entsql.View definition. Only ent schema ever read it, and it had already drifted (wrong table name, wrong column count) without anything noticing. Nothing in this stack declares a view: I searched every cached version of protoc-gen-orm-ent, -go, -service, protobuf-orm and protobuf-merge.

Removed

• ent.View, ent.Viewer, and load.Schema.View.
• In gen:
  • Type.IsView, Graph.Views and Graph.MutableNodes. Every node is mutable now, so templates range over Nodes.
  • the notView conditions on the create, update, delete and mutation templates.
• The IsView branches in the client, ent, entql and privacy templates.
• entsql.View, entsql.ViewFor and Annotation.ViewAs/ViewFor. The annotation's err field and Err() also go, because only ViewFor ever set the error.
• schema.NewView, Table.View, the view half of Atlas.realm, and the CREATE VIEW that schema.DDL appended.
• CleanUser in entc/integration/multischema, and doc/md/schema-view.mdx.

sql.CreateView stays. It belongs to the general SQL builder, not to what ent generates.

UPSTREAM.md lists views under Removed, with what to do when an upstream change adds an IsView branch or ranges over MutableNodes.

A test expectation that was wrong

TestDDL expected owner_id twice in pets. The view next to it caused that: append(pets.Columns[:2], pets.Columns[3]) overwrote fur_color through the shared slice. Without the view, pets has the columns it declares, and the expectations now include fur_color.

Tests

All of the following pass locally:

• go vet and go test in the root, examples, and dialect/sql/schema/integration.
• The whole entc/integration matrix with -race -count=2 on SQLite, MySQL 8.0 and 8.4, MariaDB 10.11 and 11.4, and PostgreSQL 14 and 17.
• The generate gate, which is clean.
• .github/lint.sh.

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