Allows for unquoted DB API-like constant names to be bitwise OR'd together for passing into low-level database calls.
quoted or unquoted comma separated names of DB constants
The Berkeley DB (tm) database makes use of predefined constants in the C code to pass as flags to many of the function calls.
These flags may be combined, using bitwise OR logic, and the resultant value can than be used as a valid flag argument.
This function takes unquoted arguments that match the underlying API flag/constant names.
If a name is passed that is not part of the available API, a warning is returned and the argument is effectively ignored. If this value should be present, and simply isn't please submit a bug report to the RBerkeley maintainer.
All bitwise operations are within the C code to allow for maximum consistency with the API, as well as allowing as close to the API semantics as possible.
An integer suitable for use as a flags argument in the lower-level API calls.
Jeffrey A. Ryan
Oracle BerkeleyDB https://www.oracle.com
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