claude@clouddev1
0c3847a5b9
`Cargo.toml`: add `column_metadata` to rusqlite's feature list. This pulls in the SQLite `SQLITE_ENABLE_COLUMN_METADATA` compile flag and surfaces `sqlite3_column_table_name` / `sqlite3_column_origin_name` on prepared statements via rusqlite's `Statement::columns_with_metadata()`. `do_run_select` in db.rs now calls a new `resolve_select_column_types(conn, stmt)` helper after `prepare`. The helper walks each result-column's origin metadata; when both `table_name` and `origin_name` come back populated (the result column traces back to a base-table column), it looks up the playground type in `__rdbms_playground_columns`. The per-column types thread through to `format_cell(value, ty)` so the data-table renderer (ADR-0016) gets the same per-type rendering it applies to `show data` results. Effect: ADR-0030 Phase-1 §4.5 (bool SELECT results render as `0` / `1`) is lifted for any bare-column reference whose origin the engine carries through — per ADR-0032 Amendment 1 (2026-05-20 empirical probe), that means all non-recursive CTE bodies, scalar subqueries (aliased or not), derived tables, set ops, and JOINs. Computed projections and recursive-CTE result columns remain typeless (the engine populates no origin), which the renderer handles via neutral alignment. The lookup is engine-driven verbatim — no grammar-side structural classification (ADR-0032 Amendment 1 replaces §12's original "structurally a single column reference" rule with "trust column_table_name / column_origin_name"). Tests (3 new in `tests/sql_select.rs`, all green): - `database_run_select_recovers_bool_column_type` — the Phase-1 §4.5 case: `SELECT Active FROM Products` returns `column_types = [Some(Bool)]` and rows render as `true` / `false`. - `database_run_select_recovers_text_type_through_alias` — `SELECT Name AS n FROM Users` remaps the result column name to `n` but the origin metadata still resolves the playground type to `Some(Text)`. - `database_run_select_computed_expression_stays_typeless` — `SELECT Score + 1 FROM T` keeps `column_types[0] = None`, the documented Amendment-1 exception. The CTE pass-through, scalar subquery, set-op, and JOIN cases all work for free given the empirical findings; their behaviour is asserted by the Amendment-1 probe results recorded in the ADR, so no per-case integration tests are duplicated here. Test totals: 1382 → 1385 passing (+3), 0 failed, 1 ignored. Clippy clean.
46 lines
1.4 KiB
TOML
46 lines
1.4 KiB
TOML
[package]
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name = "rdbms-playground"
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version = "0.1.0"
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edition = "2024"
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description = "A cross-platform TUI playground for learning relational databases."
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license = "MIT OR Apache-2.0"
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repository = "https://github.com/sturm/rdbms-playground"
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readme = "README.md"
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publish = false
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[dependencies]
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anyhow = "1.0.102"
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base64 = "0.22.1"
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crossterm = { version = "0.29.0", features = ["event-stream"] }
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csv = "1.4.0"
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directories = "6.0.0"
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futures-util = "0.3.32"
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gethostname = "1.1.0"
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rand = "0.10.1"
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ratatui = "0.30.0"
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rusqlite = { version = "0.39.0", features = ["bundled", "column_metadata"] }
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serde = { version = "1.0.228", features = ["derive"] }
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serde_yml = "0.0.12"
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sysinfo = { version = "0.39.0", default-features = false, features = ["system"] }
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tokio = { version = "1.52.2", features = ["full"] }
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tracing = "0.1.44"
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tracing-subscriber = { version = "0.3.23", features = ["env-filter"] }
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zip = { version = "5.1.1", default-features = false, features = ["deflate"] }
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[dev-dependencies]
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insta = { version = "1.47.2", features = ["yaml"] }
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pretty_assertions = "1.4.1"
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tempfile = "3.27.0"
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[lints.rust]
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unsafe_code = "forbid"
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unreachable_pub = "warn"
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[lints.clippy]
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all = { level = "warn", priority = -1 }
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nursery = { level = "warn", priority = -1 }
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# Allow common false-positives that don't materially improve our code.
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module_name_repetitions = "allow"
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missing_errors_doc = "allow"
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missing_panics_doc = "allow"
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