v0.19.0

Welcome to pgrx v0.19.0. Among other things, this brings support for Postgres v19beta1.

As usual, install cargo-pgrx with cargo install cargo-pgrx --version 0.19.0 --locked, and if you want Postgres 19beta1 support you'll also need to run cargo pgrx init. And make sure to update your crate dependencies with cargo pgrx upgrade.

What's Changed

• add pg19beta1 support by @eeeebbbbrrrr in #2303

The headline item. As more betas are released we'll release new pgrx point releases supporting them.

• upgrade dependencies and rust edition to 2024 by @eeeebbbbrrrr in #2312

Notably, pgrx wants to use the Rust 2024 edition now.

cargo-pgrx

• fix(cargo-pgrx): preserve cargo rustflags for cdylib builds by @eeeebbbbrrrr in #2304

Prior to this fix, RUSTFLAGS changes in .cargo/config.toml would have been ignored.

• Retry Postgres downloads during init by @eeeebbbbrrrr in #2314
• fix: cargo pgrx schema named_sql_entity should export schema-qualified by @eeeebbbbrrrr in #2310
• Replace cargo-edit with crates-index and toml_edit by @cbandy in #2305
• feat(cargo-pgrx): accept Cargo VersionReq syntax for upgrade --to by @isdaniel in #2321

New Features

• Add #[pg_guc_hook] macro for simple GUC hooks by @cbandy in #2323

Postgres Bindings and Wrappers

• feat: expose PGLZ compression bindings + add pglz_inspect example by @isdaniel in #2326
• fix: bridge buffer page helpers via cshim on PG16+ by @mrdrivingduck in #2331
• Fix binding of struct Port on pg17 by @cbandy in #2302
• feat: add Bytea<'fcx> argument type with zero-copy return by @isdaniel in #2301
• Add wrappers for postgres geometric types. by @hamiltop in #1332

Bugfixes and Cleanup

• Guard pgrx docs.rs release builds by @eeeebbbbrrrr in #2315
• Fix docs.rs build by localizing docsrs cfg by @eeeebbbbrrrr in #2299
• remove redundant casts and improve safety in varlena functions by @isdaniel in #2298
• Update trybuild to 1.0.116 by @cbandy in #2306
• Quiet two errors from rust-analyzer by @cbandy in #2307
• fix dependabot security warnings by @eeeebbbbrrrr in #2313
• refactor: unify #[pg_extern] attribute parsing via syn by @isdaniel in #2317
• chore: add examples PostgresType in/out variants and memory-context patterns by @isdaniel in #2318
• docs(spi): clarify SpiClient::select vs update for read-only vs writable SPI by @uded in #2328
• fix pg19 drift by @eeeebbbbrrrr in #2330

New Contributors

• @hamiltop made their first contribution in #1332
• @uded made their first contribution in #2328

Full Changelog: v0.18.1...v0.19.0