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| <?php
// scrypt for backup and restore postgres database
function dl_file($file){
if (!is_file($file)) { die("<b>404 File not found!</b>"); }
$len = filesize($file);
$filename = basename($file);
$file_extension = strtolower(substr(strrchr($filename,"."),1));
$ctype="application/force-download";
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: public");
header("Content-Description: File Transfer");
header("Content-Type: $ctype");
$header="Content-Disposition: attachment; filename=".$filename.";";
header($header );
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".$len);
@readfile($file);
exit;
}
$action = $_POST["actionButton"];
$ficheiro=$_FILES["path"]["name"];
switch ($action) {
case "Import":
$dbname = "teste"; //database name
$dbconn = pg_pconnect("host=localhost port=5432 dbname=$dbname user=postgres password=rularv"); //connectionstring
if (!$dbconn) {
echo "Can't connect.\n";
exit;
}
$back = fopen($ficheiro,"r");
$contents = fread($back, filesize($ficheiro));
$res = pg_query(utf8_encode($contents));
echo "Upload Ok";
fclose($back);
break;
case "Export":
$dbname = "MiradouroTest"; //database name
$dbconn = pg_pconnect("host=localhost port=5432 dbname=$dbname user=postgres password=rularv"); //connectionstring
if (!$dbconn) {
echo "Can't connect.\n";
exit;
}
$back = fopen("$dbname.sql","w");
$res = pg_query(" select relname as tablename
from pg_class where relkind in ('r')
and relname not like 'pg_%' and relname not like 'sql_%' order by tablename");
$str="";
while($row = pg_fetch_row($res))
{
$table = $row[0];
$str .= "\n--\n";
$str .= "-- Estrutura da tabela '$table'";
$str .= "\n--\n";
$str .= "\nDROP TABLE $table CASCADE;";
$str .= "\nCREATE TABLE $table (";
$res2 = pg_query("
SELECT attnum,attname , typname , atttypmod-4 , attnotnull ,atthasdef ,adsrc AS def
FROM pg_attribute, pg_class, pg_type, pg_attrdef WHERE pg_class.oid=attrelid
AND pg_type.oid=atttypid AND attnum>0 AND pg_class.oid=adrelid AND adnum=attnum
AND atthasdef='t' AND lower(relname)='$table' UNION
SELECT attnum,attname , typname , atttypmod-4 , attnotnull , atthasdef ,'' AS def
FROM pg_attribute, pg_class, pg_type WHERE pg_class.oid=attrelid
AND pg_type.oid=atttypid AND attnum>0 AND atthasdef='f' AND lower(relname)='$table' ");
while($r = pg_fetch_row($res2))
{
$str .= "\n" . $r[1]. " " . $r[2];
if ($r[2]=="varchar")
{
$str .= "(".$r[3] .")";
}
if ($r[4]=="t")
{
$str .= " NOT NULL";
}
if ($r[5]=="t")
{
$str .= " DEFAULT ".$r[6];
}
$str .= ",";
}
$str=rtrim($str, ",");
$str .= "\n);\n";
$str .= "\n--\n";
$str .= "-- Creating data for '$table'";
$str .= "\n--\n\n";
$res3 = pg_query("SELECT * FROM $table");
while($r = pg_fetch_row($res3))
{
$sql = "INSERT INTO $table VALUES ('";
$sql .= utf8_decode(implode("','",$r));
$sql .= "');";
$str = str_replace("''","NULL",$str);
$str .= $sql;
$str .= "\n";
}
$res1 = pg_query("SELECT pg_index.indisprimary,
pg_catalog.pg_get_indexdef(pg_index.indexrelid)
FROM pg_catalog.pg_class c, pg_catalog.pg_class c2,
pg_catalog.pg_index AS pg_index
WHERE c.relname = '$table'
AND c.oid = pg_index.indrelid
AND pg_index.indexrelid = c2.oid
AND pg_index.indisprimary");
while($r = pg_fetch_row($res1))
{
$str .= "\n\n--\n";
$str .= "-- Creating index for '$table'";
$str .= "\n--\n\n";
$t = str_replace("CREATE UNIQUE INDEX", "", $r[1]);
$t = str_replace("USING btree", "|", $t);
// Next Line Can be improved!!!
$t = str_replace("ON", "|", $t);
$Temparray = explode("|", $t);
$str .= "ALTER TABLE ONLY ". $Temparray[1] . " ADD CONSTRAINT " . $Temparray[0] . " PRIMARY KEY " . $Temparray[2] .";\n";
}
}
$res = pg_query(" SELECT
cl.relname AS tabela,ct.conname,
pg_get_constraintdef(ct.oid)
FROM pg_catalog.pg_attribute a
JOIN pg_catalog.pg_class cl ON (a.attrelid = cl.oid AND cl.relkind = 'r')
JOIN pg_catalog.pg_namespace n ON (n.oid = cl.relnamespace)
JOIN pg_catalog.pg_constraint ct ON (a.attrelid = ct.conrelid AND
ct.confrelid != 0 AND ct.conkey[1] = a.attnum)
JOIN pg_catalog.pg_class clf ON (ct.confrelid = clf.oid AND clf.relkind = 'r')
JOIN pg_catalog.pg_namespace nf ON (nf.oid = clf.relnamespace)
JOIN pg_catalog.pg_attribute af ON (af.attrelid = ct.confrelid AND
af.attnum = ct.confkey[1]) order by cl.relname ");
while($row = pg_fetch_row($res))
{
$str .= "\n\n--\n";
$str .= "-- Creating relacionships for '".$row[0]."'";
$str .= "\n--\n\n";
$str .= "ALTER TABLE ONLY ".$row[0] . " ADD CONSTRAINT " . $row[1] . " " . $row[2] . ";";
}
fwrite($back,$str);
fclose($back);
dl_file("$dbname.sql");
break;
}
?>
<html>
<head>
</head>
<body>
<form id="dataForm" name="dataForm" method="post" enctype="multipart/form-data" action="">
<input type="file" name="path" id="path" style="width:300px"/>
<input type="submit" value="Import" name="actionButton" id="actionButton" >
<input type="submit" value="Export" name="actionButton" id="actionButton" >
</form>
</body>
</html> | |
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| | | | hedi mettali wrote :1652
Hello;
I test this script it work but have same bug..
The problem ::
The script cant create the sequences for the autoincrement primary key...
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