in crates/paimon/src/spec/types.rs [350:370]
fn from_str(s: &str) -> Result<Self, Self::Err> {
if !s.starts_with(serde_utils::CHAR::NAME) {
return DataTypeInvalidSnafu {
message: "Invalid CHAR type. Expected string to start with 'CHAR'.",
}
.fail();
}
let (open_bracket, close_bracket) = serde_utils::extract_brackets_pos(s, "CharType")?;
let length_str = &s[open_bracket + 1..close_bracket];
let length = length_str
.trim()
.parse::<usize>()
.map_err(|_| Error::DataTypeInvalid {
message: "Invalid CHAR length. Unable to parse length as a usize.".to_string(),
})?;
let nullable = !s[close_bracket..].contains("NOT NULL");
Ok(CharType { nullable, length })
}