[CWB] Catting result-sets

[Hardie, Andrew]

This involves bits of the CQP code that I don't 100% understand, so Stefan may correct me, but I strongly suspect the answer is No.  The function in question is do_size (line 2895 of cqp/parse_actions.c) and it prints 0 if it is passed a null pointer. (Actually, it might be nicer for it to print something like UNDEF to make it clearer CQP did not find the data....) So it looks as if the pointer to the data structure of the query is not available when the corpus it belongs to is not activated. This makes sense; queries are lists of corpus positions, it would be odd to make those lists available when the active context is not one to which those integer lists can actually be applied.

Andrew.

(PS glad you found a workaround!)

> -----Original Message-----
> From: cwb-bounces at sslmit.unibo.it 
> [mailto:cwb-bounces at sslmit.unibo.it] On Behalf Of Alberto Simões
> Sent: 21 December 2010 21:08
> To: Open source development of the Corpus WorkBench
> Subject: [CWB] Catting result-sets
> 
> 
> Hello
> 
> After changing the active corpus, the previous in-memory 
> stored result-sets are discarded?
> 
> CORPUS_A;
> A="query1";
> CORPUS_B;
> B="query2";
> size A     ==> gives 0...?
> 
> Is there any workaround?
> 
> Cheers
> 
> --
> Alberto Simões
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