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fix(sqlite): attribute generated-column evaluation failures to the selection (#5879)

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* fix(sqlite): attribute generated-column evaluation failures to the selection

A selected virtual generated column whose expression needs a function the
read-only connection lacks (or raises an SQL error for a sampled row) was
classified by the worker's catch-all as a malformed database and projected as
an invalid_format issue on `path`.

Row reads now attribute SQLITE_ERROR from selected cells by probing each
selected virtual generated column over the sampled rows, and report a
typed capability_unavailable refusal naming the table, each failing column
with SQLite's message, and the remaining columns to select. Other causes,
including corruption, TOOBIG and NOMEM, keep their classification.

Fixes #5719

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(sqlite): recommend only probed-readable columns after evaluation failures

Record every per-column probe failure with its own reason, discover stored
columns outside an inventory-scope selection without decoding unrelated
malformed names, and present recovery as the structured columns selection
instead of shell-quoted command text built from database-supplied names.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Kaoru0822
2026-10-21 04:08:49 -07:00
committed by GitHub
parent efab044f30
commit bcfcd8b6e2
7 changed files with 473 additions and 36 deletions
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docs/sqlite-databases.md
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@@ -57,7 +57,12 @@ triggers or arbitrary SQL.
Rows are optional. `table` selects one exact ordinary-table name. `columns`
(CLI repeated `--column`) selects exact visible column names in the requested
order; omission selects all visible columns, including generated columns.
Unselected cells are not evaluated or projected. Malformed column-name bytes
Unselected cells are not evaluated or projected. A selected virtual generated
column whose expression needs a function REA's connection lacks (extensions and
application functions are not loaded), or raises an SQL error for a sampled
row, is refused as `capability_unavailable`. The error names the table and
each failing selected column with SQLite's message, and recommends only columns
whose sampled values were read; stored and other generated cells stay readable. Malformed column-name bytes
cause a format refusal when all columns are requested. In inventory scope, an explicit valid subset can
still be sampled without decoding unrelated malformed column names.
Column selection requires a