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add function to recalculate counts for full-word search term

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Sarah Hoffmann
2017-10-28 18:34:22 +02:00
parent 35c7269bac
commit cbaabe7c24
2 changed files with 18 additions and 0 deletions
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11
sql/words_from_search_name.sql Normal file
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@@ -0,0 +1,11 @@
DROP TABLE IF EXISTS word_frequencies;
CREATE TABLE word_frequencies AS
SELECT unnest(name_vector) as id, count(*) FROM search_name GROUP BY id;
CREATE INDEX idx_word_frequencies ON word_frequencies(id);
UPDATE word SET search_name_count = count
FROM word_frequencies
WHERE word_token like ' %' and word_id = id;
DROP TABLE word_frequencies;

7
utils/update.php
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@@ -33,6 +33,7 @@ $aCMDOptions
array('index-instances', '', 0, 1, 1, 1, 'int', 'Number of indexing instances (threads)'),
array('deduplicate', '', 0, 1, 0, 0, 'bool', 'Deduplicate tokens'),
array('recompute-word-counts', '', 0, 1, 0, 0, 'bool', 'Compute frequency of full-word search terms'),
array('no-npi', '', 0, 1, 0, 0, 'bool', '(obsolete)'),
);
getCmdOpt($_SERVER['argv'], $aCMDOptions, $aResult, true, true);
@@ -237,6 +238,12 @@ if ($aResult['deduplicate']) {
}
}
if ($aResult['recompute-word-counts']) {
info('Recompute frequency of full-word search terms');
$sTemplate = file_get_contents(CONST_BasePath.'/sql/words_from_search_name.sql');
runSQLScript($sTemplate, true, true);
}
if ($aResult['index']) {
passthru(CONST_InstallPath.'/nominatim/nominatim -i -d '.$aDSNInfo['database'].' -P '.$aDSNInfo['port'].' -t '.$aResult['index-instances'].' -r '.$aResult['index-rank']);
}