[FATAL] Function or relationship [CustomerById] already exists in catalog
in script:parserError-duplicateFunction-fail.sqrl [4:1]:

CustomerById(id INT) := SELECT * FROM Customer WHERE customerid = :id;
CustomerById(name STRING) := SELECT * FROM Customer WHERE customerid = :name;
^
A function or relationship with that name already exists.
SQRL does not support function overloading, i.e. functions or relationships
with identical names but different parameter signatures.
