chore(executor): extract atomic + tx modules (#116 step 4)#514
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Pulls the transaction primitives out into their own files: - tx.rs (136 LOC) — `PoolTx<'a>` enum + `transaction_pool` user-facing helper. Per-backend `BEGIN` wrapper that hands the caller a backend-tagged transaction handle. - atomic.rs (178 LOC) — Django-shape `atomic(&pool, |tx| ...)` + `on_commit(callback)` + `on_commit_pending()` (issue #44). Uses a `tokio::task_local!` to queue commit-time callbacks. The `atomic!` declarative macro stays `#[macro_export]`-mounted at the crate root, co-located with the `atomic` fn for readability. mod.rs: 4139 → 3852 LOC (-287). Both new files are sibling leaves with zero cross-module dependencies beyond `super::{Pool, ExecError, Dialect}` + the public `PoolTx` enum. 1482 lib tests pass on the sqlite,tenancy litmus.
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## Summary Rolls 11 PRs from \`develop\` into \`main\`. ## Features (5) - **#507** \`i18n::middleware::LocaleMiddleware\` — tower layer (cookie + Accept-Language) + documented \`Router::nest(\"/<lang>\", ...)\` pattern for URL-prefix locales. Closes #406, #424. - **#508** \`Translator::with_fallback_chain(&[...])\` — explicit fallback locale chain. Closes #425. - **#509** \`notifications::slack::webhook_callback(url)\` — Slack incoming-webhook provider for the \`broadcast\` channel. Closes #418. Also bumps \`free-disk-space\` reclaim (\`large-packages: true\`). - **#510** Notifications fix — gate the \`database\` channel behind the \`postgres\` feature so non-PG builds compile. ## Refactor: executor reorg (#116, 7 PRs) Pulled \`crates/rustango/src/sql/executor.rs\` (4830 LOC) apart into \`crates/rustango/src/sql/executor/\` with 9 sibling files. - **#511** Mount as dir. - **#512** \`page.rs\` + \`iter.rs\` + \`get_or_create.rs\`. - **#513** \`values.rs\` (Django \`.values()\` / \`.values_list()\`). - **#514** \`atomic.rs\` (\`transaction.atomic\` + \`on_commit\`) + \`tx.rs\` (\`PoolTx\`). - **#515** \`explain.rs\` (tri-dialect \`EXPLAIN\`). - **#516** \`prefetch.rs\` (tri-dialect \`_pool\` prefetch). - **#517** \`row_to_json.rs\` (per-dialect dynamic row → JSON). mod.rs is now at 2923 LOC (-1907, **-39%**). Zero public-API change throughout — every symbol still reachable from \`use rustango::sql::*\`. ## Test plan Every constituent PR landed with sqlite_litmus + sqlite_live + mysql_live + postgres_test all green. The merge itself is a no-conflict fast-forward — no new code lands beyond what's already merged into develop. Re-running CI on the merged main confirms the integration shape.
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Summary
Step 4 of the executor reorg (#116). Pulls the transaction primitives out into their own files:
The `atomic!` declarative macro stays `#[macro_export]`-mounted at the crate root, co-located with the `atomic` fn for readability.
mod.rs: 4139 → 3852 LOC (-287).
Closes
#116 (partial — step 4 of 6 planned)
Test plan