Php 连接到postgres时出错(pg_关闭)
我有以下代码:Php 连接到postgres时出错(pg_关闭),php,postgresql,php-pgsql,Php,Postgresql,Php Pgsql,我有以下代码: require 'dataload.php'; function get_objects($where,$name=false) { global $epsg, $cnt_array; $db = Dataload::getDB(); $columns="osm_id, ST_AsGeoJSON(ST_Transform(way,4326)) as way2, name, ward, \"healthcare:speciality\", in
require 'dataload.php';
function get_objects($where,$name=false) {
global $epsg, $cnt_array;
$db = Dataload::getDB();
$columns="osm_id, ST_AsGeoJSON(ST_Transform(way,4326)) as way2, name, ward, \"healthcare:speciality\", information, description, social_facility, \"social_facility:for\", capacity, operator, official_name, official_status, phone, website, \"addr:full\", \"addr:city\", \"addr:district\", \"addr:postcode\", opening_hours, \"addr:hamlet\", \"addr:street\", fax, email, allhuman, adulthuman, childhuman, \"healthcare:heart\", \"healthcare:mind\", \"healthcare:maternity_light\", \"healthcare:maternity_hard\", \"healthcare:dtp\", \"ward:speciality_gynaecology\", \"ward:speciality_maternity\", \"ward:speciality_infectious_diseases\", \"ward:speciality_neurology\", \"ward:speciality_paediatrics\", \"ward:speciality_general\", \"ward:speciality_surgery\", \"internet_access:operator\", \"internet_access:speed\", \"wifi_access:ssid\"";
$query="select ".$columns." from test_point where ".$where;
$result = pg_query($query);
if (!$result) {
echo "Problem with query " . $query . "<br/>";
echo pg_last_error();
exit();
}
$geojson = array(
'type' => 'FeatureCollection',
'features' => array(),
'crs' => array(
'type' => 'EPSG',
'properties' => array('code' => '4326')
)
);
while($myrow = pg_fetch_assoc($result)) {
$gos18_work = array();
if($name=="gos18") {
$query_gos18_work = "select * from gos18_work where obj=".$myrow["osm_id"];
$result_gos18_work = pg_query($query_gos18_work);
if (!$result_gos18_work) {
echo "Problem with query " . $query_gos18_work . "<br/>";
echo pg_last_error();
exit();
}
while($myrow_gos18 = pg_fetch_assoc($result_gos18_work)) {
$gos18_work[] = array(
blah=>blah
);
}
}
$feature = array(
'type' => 'Feature',
'id' => $myrow["osm_id"],
'layer' => $epsg,
'geometry' => json_decode($myrow["way2"], true),
'geometry_name' => 'way',
'properties' => array(
'name' => $myrow["name"],
)
);
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
// Close database connection
pg_close($db);
}
if(blah) ......get_objects($where);....
如果DB连接到localhost,但另一台服务器(复制没有DB的站点)返回错误,则此操作正常:
警告:pg_close()要求参数1为资源,布尔值
在my.php在线中给出
但是!如果注释
pg_close()
这项工作没有任何错误,并从数据库返回结果。来自php手册的注释,用于pg_connect:
注意不要写像这样的东西
<?php
function getdb_FAILS() {
return pg_connect("...") or die('connection failed');
}
?>
它将返回一个布尔值。如果您不这样做,这看起来很好
将返回值用作db连接句柄,但如果
做
相反,请使用:
<?php
function getdb() {
$db = pg_connect("...") or die('connection failed');
return $db;
}
?>
它实际上返回一个句柄
希望这有帮助。为什么在pg\U close中使用显式连接参数,而在pg\U查询中不使用它?我想您的$db变量有问题。是的,$db变量不起作用。如果在pg_查询中使用$db,我也有错误。但是当localhost工作正常时。。。ббббббббббзбббббббб,phpзбзбб,phpб。获得物品,非常感谢!我的错,不明白。
<?php
function getdb() {
$db = pg_connect("...") or die('connection failed');
return $db;
}
?>