updating oE db_record_key


include eds.e 
namespace eds 
public function db_record_key(integer key_location, object table_name = current_table_name) 

returns the key of a record given an index.

  1. key_location : an integer, the index of the record the key is being requested.
  2. table_name : optional table name to get record key from.

Returns An object, the key of the record being queried by index.


This function calls fatal and returns a value of -1 if an error prevented the correct data being returned.


If the current table is not defined, or if the record index is invalid, an error will occur.


Each record in a Euphoria database consists of a key portion and a data portion. Each of these can be any Euphoria atom or sequence.

Example 1:
puts(1, "The 6th record has key value: ") 
? db_record_key(6) 
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