Struct JoinFromFileOperation 

pub struct JoinFromFileOperation {
    pub file_path: String,
    pub left_key: String,
    pub right_key: String,
}

Join from file operation

Performs a join operation by loading data from a file and joining on specified keys.

Fields

file_path: String

Path to the file to join with

left_key: String

Key field name in the left (current) data

right_key: String

Key field name in the right (file) data

Implementations

impl JoinFromFileOperation

pub fn new(file_path: String, left_key: String, right_key: String) -> Self

Creates a new join from file operation with the given file path and key fields

Trait Implementations

impl Operation for JoinFromFileOperation

fn apply(&self, value: &Value) -> Result<Value>

Apply the operation to a value

fn apply_with_context( &self, value: &Value, _context: &mut Option<&mut dyn Context>, ) -> Result<Value>

Apply the operation to a value with optional context

fn description(&self) -> String

Get a description of what this operation does

fn as_any(&self) -> &dyn Any

Get as Any for downcasting

fn is_applicable(&self, value: &Value) -> bool

Check if this operation can be applied to the given value type