Nominatim/utils/specialphrases.php
Sarah Hoffmann c5e69fadd0 improve import performance for special phrases
- create a temporary index on placex
- create indices on place_classtype_* tables after insert
- grant www-data permission to tables
2012-01-28 23:27:25 +00:00

106 lines
3.1 KiB
PHP
Executable File

#!/usr/bin/php -Cq
<?php
require_once(dirname(dirname(__FILE__)).'/lib/init-cmd.php');
ini_set('memory_limit', '800M');
$aCMDOptions = array(
"Import and export special phrases",
array('help', 'h', 0, 1, 0, 0, false, 'Show Help'),
array('quiet', 'q', 0, 1, 0, 0, 'bool', 'Quiet output'),
array('verbose', 'v', 0, 1, 0, 0, 'bool', 'Verbose output'),
array('wiki-import', '', 0, 1, 0, 0, 'bool', 'Create nominatim db'),
);
getCmdOpt($_SERVER['argv'], $aCMDOptions, $aCMDResult, true, true);
$aLanguageIn = array(
'af',
'ar',
'br',
'ca',
'cs',
'de',
'en',
'es',
'et',
'eu',
'fa',
'fi',
'fr',
'gl',
'hr',
'hu',
'ia',
'is',
'it',
'ja',
'mk',
'nl',
'no',
'pl',
'ps',
'pt',
'ru',
'sk',
'sv',
'uk',
'vi',
);
if ($aCMDResult['wiki-import'])
{
$aPairs = array();
foreach($aLanguageIn as $sLanguage)
{
$sURL = 'http://wiki.openstreetmap.org/wiki/Special:Export/Nominatim/Special_Phrases/'.strtoupper($sLanguage);
$sWikiPageXML = file_get_contents($sURL);
if (preg_match_all('#\\| ([^|]+) \\|\\| ([^|]+) \\|\\| ([^|]+) \\|\\| ([^|]+) \\|\\| ([\\-YN])#', $sWikiPageXML, $aMatches, PREG_SET_ORDER))
{
foreach($aMatches as $aMatch)
{
$sLabel = $aMatch[1];
$sClass = $aMatch[2];
$sType = $aMatch[3];
$aPairs[$sClass.'|'.$sType] = array($sClass, $sType);
switch(trim($aMatch[4]))
{
case 'near':
echo "select getorcreate_amenityoperator(make_standard_name('".pg_escape_string($sLabel)."'), '$sClass', '$sType', 'near');\n";
break;
case 'in':
echo "select getorcreate_amenityoperator(make_standard_name('".pg_escape_string($sLabel)."'), '$sClass', '$sType', 'in');\n";
break;
default:
echo "select getorcreate_amenity(make_standard_name('".pg_escape_string($sLabel)."'), '$sClass', '$sType');\n";
break;
}
}
}
}
echo "create index idx_placex_classtype on placex (class, type);";
foreach($aPairs as $aPair)
{
if ($aPair[1] == 'highway') continue;
echo "create table place_classtype_".pg_escape_string($aPair[0])."_".pg_escape_string($aPair[1])." as ";
echo "select place_id as place_id,st_centroid(geometry) as centroid from placex where ";
echo "class = '".pg_escape_string($aPair[0])."' and type = '".pg_escape_string($aPair[1])."';\n";
echo "CREATE INDEX idx_place_classtype_".pg_escape_string($aPair[0])."_".pg_escape_string($aPair[1])."_centroid ";
echo "ON place_classtype_".pg_escape_string($aPair[0])."_".pg_escape_string($aPair[1])." USING GIST (centroid);\n";
echo "CREATE INDEX idx_place_classtype_".pg_escape_string($aPair[0])."_".pg_escape_string($aPair[1])."_place_id ";
echo "ON place_classtype_".pg_escape_string($aPair[0])."_".pg_escape_string($aPair[1])." USING btree(place_id);\n";
echo "GRANT SELECT ON place_classtype_".pg_escape_string($aPair[0])."_".pg_escape_string($aPair[1])." TO \"www-data\";";
}
echo "drop index idx_placex_classtype;";
}