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Is there any way to do this? `# looks to always be creating a copy of the original list for `g/`u, whether it's applied on a list reference or value. I wrote a C function to set the list object's u member (x->u) to 0, and from within q called this fu...

Hi KDB Gurus,I have the functional form of this query:select from rows where 1=(count;i) fby ([]sym;market;id;price;size;eventType)as:?[rows;enlist(=;1;(fby;(enlist;#:;`i);(+:;(!;enlist`sym`market`id`price`size`eventType;(enlist;`sym;`market;`id;`pri...

Hi KDB gurus,I've figured out that the functional form of this query: select from rows where 1=(count;i) fby ([]sym;market;id;price;size;eventType)is this:?[rows;enlist(=;1;(fby;(enlist;#:;`i);(+:;(!;enlist`sym`market`id`price`size`eventType;(enlist;...