The following program is parsing csv into in-memory table at about 22 MB/sec. I have repeated the benchmark a few times. The data is in the OS disk cache. The program is 1 core CPU-bound. My CPU is i5-3230M @ 2.60 GHz on a laptop. How can I make it f...
Hi,I'm facing a strange error with mod and . (dot) operators. Please see the session log below:===============SESSION=======================D:\DEV>qKDB+ 3.2 2015.03.05 Copyright (C) 1993-2015 Kx Systemsw32/ 4()core 4095MB Think flying-thinkpad 192.16...
I want to define a "parent" table that has only a primary key as column. Trying this fails.q) p:([k:`$()]) 'parse So based on what I am reading in Q for mortals I came up with this:q) p:flip (enlist `k)!enlist `$()Is there no table definition syntax ...
I am using C# interface as described here: http://code.kx.com/wiki/Cookbook/InterfacingWithCSharpI have a q table that has a composite foreign key and I want to bulk insert into it. How do I pass the composite key column values?I tried Array of Array...
Have folder structure: C:/dir/2014.01.01/exampleTable C:/dir/2014.01.01/sym ... do \cd dir/2014.01.01 exampleTable:get:`exampleTable If folder less than 38 GB typing exapleTable or a more specific query will work, else get +.... error. Is there a way...
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