• kdb+

  Assigning QDictionary in qpython to kdb

  Posted by powerpeanuts on July 11, 2022 at 12:00 am

  This might not be directly relevant to kdb/q, as qpython is a third-party library. Let’s say we have a QDictionary qdict in python. How can we send this dictionary to kdb?

  https://qpython.readthedocs.io/en/latest/type-conversion.html#dictionaries

  pseudo code:

   

  qdict = QDictionary(qlist(numpy.array([1, 2], dtype=numpy.int64), qtype=QLONG_LIST), qlist(numpy.array(['abc', 'cdefgh']), qtype = QSYMBOL_LIST))

  with qconnection.QConnection(host = 'localhost', port = 5000) as q:
      q('mydict:', qdict)

   

  powerpeanuts replied 8 months, 1 week ago 2 Members · 1 Reply
• 1 Reply

• 

  rocuinneagain

  Member

  July 11, 2022 at 12:00 am

  You want to store it in a global variable in q?

  Then you can use a lambda and :: or set

   

  q('{`mydict set x}', qdict) 
  q('{mydict::x}', qdict)

   

   

  • https://code.kx.com/q/ref/overloads/#colon-colon
  • https://code.kx.com/q/ref/get/#set
  • https://code.kx.com/q/basics/function-notation/

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