Function extract_database_name 

pub fn extract_database_name(connection_string: &str) -> Option<String>

Extract database name from MySQL connection string

Parses the connection URL and extracts the database name if present.

Arguments

• connection_string - MySQL connection URL

Returns

Database name if present in URL, None otherwise

Examples

assert_eq!(
    extract_database_name("mysql://localhost:3306/mydb"),
    Some("mydb".to_string())
);
assert_eq!(
    extract_database_name("mysql://localhost:3306"),
    None
);