Struct google_cloud_spanner::row::Struct

pub struct Struct<'a> { /* private fields */ }

Implementations

impl<'a> Struct<'a>

pub fn new(
    metadata: &'a StructType,
    item: &'a Value,
    field: &'a Field
) -> Result<Struct<'a>, Error>

Examples found in repository

src/row.rs (line 244)

    fn try_from(item: &Value, field: &Field) -> Result<Self, Error> {
        let maybe_array = match field.r#type.as_ref() {
            None => return Err(Error::StructParseError(field.name.to_string(), "field type must not be none")),
            Some(tp) => tp.array_element_type.as_ref(),
        };
        let maybe_struct_type = match maybe_array {
            None => return Err(Error::StructParseError(field.name.to_string(), "array must not be none")),
            Some(tp) => tp.struct_type.as_ref(),
        };
        let struct_type = match maybe_struct_type {
            None => {
                return Err(Error::StructParseError(
                    field.name.to_string(),
                    "struct type in array must not be none ",
                ))
            }
            Some(struct_type) => struct_type,
        };

        T::try_from_struct(Struct::new(struct_type, item, field)?)
    }

pub fn column<T>(&self, column_index: usize) -> Result<T, Error>where
    T: TryFromValue,

Examples found in repository

src/row.rs (line 134)

    pub fn column_by_name<T>(&self, column_name: &str) -> Result<T, Error>
    where
        T: TryFromValue,
    {
        self.column(index(&self.index, column_name)?)
    }

pub fn column_by_name<T>(&self, column_name: &str) -> Result<T, Error>where
    T: TryFromValue,