Method build

datafusion/common/src/scalar/struct_builder.rs:107–113

Return a [`ScalarValue::Struct`] with the fields and values added so far # Errors If the [`StructArray`] cannot be created (for example if there is a mismatch between field types and arrays) or the arrays do not have exactly one element.

(self)

    /// mismatch between field types and arrays) or the arrays do not have
    /// exactly one element.
    pub fn build(self) -> Result<ScalarValue> {
        let Self { fields, arrays } = self;

        let struct_array =
            StructArray::try_new_with_length(Fields::from(fields), arrays, None, 1)?;
        Ok(ScalarValue::Struct(Arc::new(struct_array)))
    }
}

/// Trait for converting a type into a [`FieldRef`]