Function build_connection_string 

pub fn build_connection_string(
    user: &str,
    password: &str,
    host: &str,
    port: u16,
    database: &str,
) -> String

Builds a PostgreSQL connection string from its components.

Arguments

• user - Database user name
• password - Database password
• host - Database host (e.g., “localhost”)
• port - Database port (e.g., 5432)
• database - Database name

Returns

A formatted PostgreSQL connection string