DOC-15495: Product Change- PR #158085 - sql: set the default to allow_unsafe_internals to false #22158
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In crdb-internal.md, updated Access control section. In logging-use-cases.md, updated Example: Unsafe internals section. In system-catalogs.md, removed allow_unsafe_internals warning.
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rmloveland
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Jan 15, 2026
| | Variable name | Description | Initial value | Modify with [`SET`]({% link {{ page.version.version }}/set-vars.md %})? | View with [`SHOW`]({% link {{ page.version.version }}/show-vars.md %})? | | ||
| |---|---|---|---|---| | ||
| | <a id="always-distribute-full-scans"></a> `always_distribute_full_scans` | When set to `on`, full table scans are always [distributed]({% link {{ page.version.version }}/architecture/sql-layer.md %}#distsql). | `off` | Yes | Yes | | ||
| | <a id="allow-unsafe-internals"></a>`allow_unsafe_internals` | Controls access to unsafe internals in the `system` database and the [`crdb_internal`]({% link {{ page.version.version }}/crdb-internal.md %}#access-control) schema. When set to `off`, you should access only [`information_schema` tables]({% link {{ page.version.version }}/information-schema.md %}).<br><br>**Warning**: In a future major release, this session variable will default to `off`. To [assess potential downstream impacts]({% link {{ page.version.version }}/logging-use-cases.md %}#unsafe-internals-disabled) on your setup, set `allow_unsafe_internals` to `off` in a non-production environment. | `on` | Yes | Yes | |
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this talk of future releases is ILLEGAL!!!! glad we're expunging it
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Fixes DOC-15495
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