How to Async Fetch All Rows in Tcl - Code Snippet

# Task: Async Fetch All Rows
# Language: Tcl

proc async_fetch_all_rows() {
    # Implementation for Async Fetch All Rows
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Fetch All Rows
    puts("Done");
}