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Merge 'Add unhex(X) scalar function' from Lauri Virtanen

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This commit adds `unhex(X)` scalar function. Function with `unhex(X,Y)`
two arguments is not implemented yet.
Relates to issue #144

Closes #353
This commit is contained in:
Pekka Enberg 2024-10-02 11:01:15 +03:00
commit 6fcd818160
5 changed files with 78 additions and 3 deletions
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3
core/function.rs
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@ -77,6 +77,7 @@ pub enum ScalarFunc {
SqliteVersion,
UnixEpoch,
Hex,
Unhex,
ZeroBlob,
}
@ -113,6 +114,7 @@ impl Display for ScalarFunc {
ScalarFunc::SqliteVersion => "sqlite_version".to_string(),
ScalarFunc::UnixEpoch => "unixepoch".to_string(),
ScalarFunc::Hex => "hex".to_string(),
ScalarFunc::Unhex => "unhex".to_string(),
ScalarFunc::ZeroBlob => "zeroblob".to_string(),
};
write!(f, "{}", str)
@ -184,6 +186,7 @@ impl Func {
"json" => Ok(Func::Json(JsonFunc::Json)),
"unixepoch" => Ok(Func::Scalar(ScalarFunc::UnixEpoch)),
"hex" => Ok(Func::Scalar(ScalarFunc::Hex)),
"unhex" => Ok(Func::Scalar(ScalarFunc::Unhex)),
"zeroblob" => Ok(Func::Scalar(ScalarFunc::ZeroBlob)),
_ => Err(()),
}