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add script for recomputing word frequencies
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sql/words.sql
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14
sql/words.sql
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CREATE TABLE word_frequencies AS
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(SELECT unnest(make_keywords(v)) as id, sum(count) as count
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FROM (select svals(name) as v, count(*)from place group by v) cnt
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WHERE v is not null
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GROUP BY id);
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select count(make_keywords(v)) from (select distinct postcode as v from place) as w where v is not null;
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select count(getorcreate_housenumber_id(make_standard_name(v))) from (select distinct housenumber as v from place where housenumber is not null) as w;
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-- copy the word frequencies
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update word set search_name_count = count from word_frequencies wf where wf.id = word.word_id;
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-- and drop the temporary frequency table again
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drop table word_frequencies;
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