following
72 lines
2.9 KiB
PHP
72 lines
2.9 KiB
PHP
<?php
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/***************************************************************************
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* For license information see doc/license.txt
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*
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* Unicode Reminder メモ
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*
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* Execute search request for map.php
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* (use caching of the same quries)
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* TODO:cleanup
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***************************************************************************/
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global $dblink, $dbslaveid;
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$sqlchecksum = sprintf('%u', crc32($cachesFilter."\n".$sqlFilter));
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/* config */
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$opt['map']['maxcacheage'] = 3600;
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// check if query was already executed within the cache period
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$rsMapCache = sql("SELECT `result_id` FROM `map2_result` WHERE `sqlchecksum`='&1' AND DATE_ADD(`date_created`, INTERVAL '&2' SECOND)>NOW() AND `sqlquery`='&3'", $sqlchecksum, $opt['map']['maxcacheage'], $sqlFilter);
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if ($rMapCache = sql_fetch_assoc($rsMapCache))
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{
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$resultId = $rMapCache['result_id'];
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sql("UPDATE `map2_result` SET `shared_counter`=`shared_counter`+1 WHERE `result_id`='" . ($resultId+0) . "'");
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}
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else
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{
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db_connect_anyslave();
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// ensure that query is performed without errors before reserving the result_id
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sql_slave("CREATE TEMPORARY TABLE `tmpmapresult` (`cache_id` INT UNSIGNED NOT NULL, PRIMARY KEY (`cache_id`)) ENGINE=MEMORY");
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sql_slave("INSERT INTO `tmpmapresult` (`cache_id`) " . $sqlFilter);
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sql("INSERT INTO `map2_result` (`slave_id`, `sqlchecksum`, `sqlquery`, `date_created`, `date_lastqueried`) VALUES ('&1', '&2', '&3', NOW(), NOW())", $dbslaveid, $sqlchecksum, $cachesFilter."\n".$sqlFilter);
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$resultId = mysql_insert_id($dblink);
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sql_slave("INSERT IGNORE INTO `map2_data` (`result_id`, `cache_id`) SELECT '&1', `cache_id` FROM `tmpmapresult`", $resultId);
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sql_slave("DROP TEMPORARY TABLE `tmpmapresult`");
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}
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if ($map2_bounds)
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{
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$rs = sql_slave("SELECT MIN(`latitude`) AS `lat_min`,
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MAX(`latitude`) AS `lat_max`,
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MIN(`longitude`) AS `lon_min`,
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MAX(`longitude`) AS `lon_max`
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FROM `map2_data`, `caches`
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WHERE `result_id`='&1'
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AND `caches`.`cache_id`=`map2_data`.`cache_id`",
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$resultId);
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if (($rBounds = sql_fetch_assoc($rs)) && $rBounds['lat_min'] !== null /* >0 caches */)
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{
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if ($rBounds['lat_min'] == $rBounds['lat_max'] &&
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$rBounds['lon_min'] == $rBounds['lon_max']) // 1 Cache
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{
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$halfwin = 0.02;
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$rBounds['lat_min'] -= $halfwin;
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$rBounds['lat_max'] += $halfwin;
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$rBounds['lon_min'] -= $halfwin;
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$rBounds['lon_max'] += $halfwin;
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}
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$bounds_param = "&lat_min=" . round($rBounds['lat_min'],5) . "&lat_max=" . round($rBounds['lat_max'],5) . '&lon_min=' . round($rBounds['lon_min'],5) . '&lon_max=' . round($rBounds['lon_max'],5);
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}
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sql_free_result($rs);
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tpl_redirect('map2.php?queryid=' . $options['queryid'] . '&resultid=' . $resultId . $bounds_param);
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}
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else
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echo $resultId;
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exit;
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?>
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