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Data Bases > Pgsql Hackers > Re: gsoc, text ...
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Re: gsoc, text search selectivity and dllist enhancments

by heikki@[EMAIL PROTECTED] ("Heikki Linnakangas") Jul 4, 2008 at 10:32 AM

Tom Lane wrote:
> The data structure I'd suggest is a simple array of pointers
> to the underlying hash table entries.  Since you have a predetermined
> maximum number of lexemes to track, you can just palloc the array once
> --- you don't need the expansibility properties of a list. 

The number of lexemes isn't predetermined. It's 2 * (longest tsvector 
seen so far), and we don't know beforehand how long the longest tsvector
is.

repalloc()ing shouldn't be a problem, though.

-- 
   Heikki Lin****angas
   EnterpriseDB   http://www.enterprisedb.com

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 28 Posts in Topic:
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-03 15:25:44 
Re: gsoc, text search selectivity and dllist enhancments
heikki@[EMAIL PROTECTED]   2008-07-04 10:32:32 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-04 11:53:56 
Re: gsoc, text search selectivity and dllist enhancments
heikki@[EMAIL PROTECTED]   2008-07-04 22:20:08 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-06 11:43:20 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-07 11:58:45 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-07 23:53:48 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-09 00:33:48 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-08 18:43:19 
Re: gsoc, text search selectivity and dllist enhancments
alvherre@[EMAIL PROTECTED  2008-07-10 16:27:31 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-10 22:32:26 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-10 17:02:36 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-10 23:26:35 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-10 18:19:36 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-11 08:18:25 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-10 16:37:28 
Re: gsoc, text search selectivity and dllist enhancments
oleg@[EMAIL PROTECTED] (  2008-07-14 11:47:17 
Re: gsoc, text search selectivity and dllist enhancments
rlippan@[EMAIL PROTECTED]  2008-07-14 07:51:36 
Re: gsoc, text search selectivity and dllist enhancments
oleg@[EMAIL PROTECTED] (  2008-07-14 16:38:30 
Re: gsoc, text search selectivity and dllist enhancments
oleg@[EMAIL PROTECTED] (  2008-07-11 03:12:48 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-11 08:23:05 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-11 02:30:26 
Re: gsoc, text search selectivity and dllist enhancments
j.urbanski@[EMAIL PROTECT  2008-07-11 17:31:00 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-13 20:54:19 
Re: gsoc, text search selectivity and dllist enhancments
alvherre@[EMAIL PROTECTED  2008-07-13 23:52:43 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-14 00:02:39 
Re: gsoc, text search selectivity and dllist enhancments
alvherre@[EMAIL PROTECTED  2008-07-14 01:01:20 
Re: gsoc, text search selectivity and dllist enhancments
tgl@[EMAIL PROTECTED] (T  2008-07-14 01:06:43 

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