[ODATA-989] 5.1.2 $expand: state that $levels=1 is equivalent to omitting it - OASIS Technical Committees Issue Tracker

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Applied as "A $levels option with a value of 1 specifies a single expand with no recursion." Did not assert that this is the same as omitting, as a service could default to expanding a certain number of levels unless specified.

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Applied as "A $levels option with a value of 1 specifies a single expand with no recursion." Did not assert that this is the same as omitting, as a service could default to expanding a certain number of levels unless specified.

We don't explicitly state that $levels=1 has no effect.

This can only be deduced from Example 99: all employees with their manager, manager's manager, and manager's manager's manager

This would mean that $expand=ReportsTo(levels=1) is all employees with their manager, i.e. same as just $expand=ReportsTo