//! Data Manipulation Language (DML) statement planners
//!
//! This module contains planners for data modification operations:
//! - DELETE: Delete vertices, edges, tags, or indexes
//! - INSERT: Insert vertices or edges
//! - MERGE: Merge nodes or edges (create if not exists)
//! - REMOVE: Remove properties or tags
//! - SET: Set properties on vertices or edges
//! - UPDATE: Update vertices or edges