vantage-sql 0.4.5

Vantage extension for SQL databases (Postgres, MySQL, SQLite)
Documentation
# Changelog

## 0.4.5 — 2026-05-09

- Pins `vantage-types` to `>= 0.4.2`. The `RichText`-returning `TerminalRender` impls landed in 0.4.4 alongside `vantage-types 0.4.2`; without an explicit floor, cargo could resolve `vantage-types` to 0.4.0/0.4.1 and fail to compile against the old trait shape.

## 0.4.4 — 2026-05-04

- New optional `vista` feature wires SQLite, Postgres, and MySQL into [`vantage-vista`]https://docs.rs/vantage-vista. Call `db.vista_factory().from_table(table)` to expose any typed `Table<…>` as a `Vista`, or load a YAML spec via `build_from_spec` for config-driven setups.
- Each backend ships its own `*VistaSpec` / `*VistaFactory` / `*TableShell` triple under `mysql::vista`, `postgres::vista`, and `sqlite::vista`, with full read/write/count capabilities and `eq` filtering through the existing typed-column path.
- Backend-specific `sqlite:` / `postgres:` / `mysql:` blocks in the YAML spec let you override table and column names without leaving the spec.
- `from_table` now preserves the original entity type instead of erasing to `EmptyEntity``Table<Db, E>` survives the wrap so user-defined `with_expression` closures parameterised over `E` still typecheck. The boxed `TableShell` in `Vista` keeps the dyn-erasure boundary at one place.
- `*TableShell` implements [`driver_name`]https://docs.rs/vantage-vista/0.4.4/vantage_vista/trait.TableShell.html#method.driver_name so [`Vista::driver()`]https://docs.rs/vantage-vista/0.4.4/vantage_vista/struct.Vista.html#method.driver reports `"sqlite"` / `"postgres"` / `"mysql"` for diagnostics.
- Bumps minimum [`vantage-vista`]https://docs.rs/vantage-vista/0.4.4/ requirement to 0.4.4.

## 0.4.3 — 2026-04-19

- SQL `is_null` / `is_not_null` operations rendered as `{} IS NULL` / `{} IS NOT NULL` for sqlite, postgres, mysql.
- Doc fixes in `docs4`.