How to Async Connect to PostgreSQL in Tcl - Code Snippet

# Task: Async Connect to PostgreSQL
# Language: Tcl

proc async_connect_to_postgresql() {
    # Implementation for Async Connect to PostgreSQL
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Connect to PostgreSQL
    puts("Done");
}