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Ben Radford 2023-06-15 13:36:28 +01:00
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14
src/libutil/experimental-features.cc
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@ -220,17 +220,13 @@ constexpr std::array<ExperimentalFeatureDetails, 14> xpFeatureDetails = {{
.description = R"(
Allow the use of the `read-only` parameter in local store URIs.
Set this parameter to `true` to allow stores with databases on read-only
filesystems to be opened for querying; ordinarily Nix will refuse to do this.
Set this parameter to `true` to allow stores with databases on read-only filesystems to be opened for querying; ordinarily Nix will refuse to do this.
This is because SQLite requires write access to the database file to perform
the file locking operations necessary for safe concurrent access. When `read-only`
is set to `true`, the database will be opened in immutable mode.
This is because SQLite requires write access to the database file to perform the file locking operations necessary for safe concurrent access.
When `read-only` is set to `true`, the database will be opened in immutable mode.
Under this mode, SQLite will not do any locking at all, so you should be certain
that the database will not be changed. While the filesystem the database resides
on might be read-only to this process, consider whether another user, process,
or system, might have write access to it.
Under this mode, SQLite will not do any locking at all, so you should be certain that the database will not be changed.
While the filesystem the database resides on might be read-only to this process, consider whether another user, process, or system, might have write access to it.
)",
},
}};