Struct ColumnInfo 

pub struct ColumnInfo {
    pub name: String,
    pub data_type: &'static str,
    pub nullable: bool,
}

One column in a get_schema response.

Fields

name: String

Column header. Falls back to column_<idx> when the source has none.

data_type: &'static str

Inferred type as a stable lowercase string ("integer", "text", …).

nullable: bool

true when any sample row had a null/empty cell in this position.

Trait Implementations

impl Debug for ColumnInfo

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Serialize for ColumnInfo

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.