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Support sqlite builds with DQS=off #311

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@knz knz commented Apr 3, 2024

If sqlite3 is built with double-quoted string literals disabled (which is recommended, see https://www.sqlite.org/compile.html#dqs), diskcache starts failing with the following crypting error:

no such column: "size"

This is because the syntax WHERE key = "size" in standard SQL refers to a column named "size", not a string literal. Parsing this as a string literal is a conditional sqlite extension.

This patch makes the code more robust by avoiding this optional sqlite feature.

If sqlite3 is built with double-quoted string literals disabled (which
is recommended, see https://www.sqlite.org/compile.html#dqs),
diskcache starts failing with the following crypting error:

```
no such column: "size"
```

This is because the syntax `WHERE key = "size"` in standard SQL refers
to a column named "size", not a string literal. Parsing this as a
string literal is a conditional sqlite extension.

This patch makes the code more robust by avoiding this optional sqlite
feature.
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knz commented Apr 17, 2024

cc @grantjenks

freebsd-git pushed a commit to freebsd/freebsd-ports that referenced this pull request May 22, 2024
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