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Respect max_allowed_packet in CSV import

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@986 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana 2009-08-20 15:05:35 +00:00
parent c5a7e2cbb6
commit cb370a8ab7
2 changed files with 31 additions and 8 deletions
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38
adminer/select.inc.php
View file

@ -83,24 +83,46 @@ if ($_POST && !$error) {
//! display edit page in case of an error
} elseif (is_string($file = get_file("csv_file"))) {
$file = preg_replace("~^\xEF\xBB\xBF~", '', $file); //! character set
$cols = "";
$rows = array(); //! packet size
preg_match_all('~("[^"]*"|[^"\\n])+~U', $file, $matches);
$affected = 0;
$length = 0;
$result = true;
$query = "INSERT INTO " . idf_escape($_GET["select"]);
$packet_size = $dbh->result($dbh->query("SELECT @@max_allowed_packet"));
$rows = array();
preg_match_all('~("[^"]*"|[^"\\n])+~', $file, $matches);
foreach ($matches[0] as $key => $val) {
$row = array();
preg_match_all('~(("[^"]*")+|[^,]*),~U', "$val,", $matches2);
preg_match_all('~(("[^"]*")+|[^,]*),~', "$val,", $matches2);
if (!$key && !array_diff($matches2[1], array_keys($fields))) { //! doesn't work with column names containing ",\n
// first row corresponds to column names - use it for table structure
$cols = " (" . implode(", ", array_map('idf_escape', $matches2[1])) . ")";
$query .= " (" . implode(", ", array_map('idf_escape', $matches2[1])) . ")";
} else {
foreach ($matches2[1] as $col) {
$row[] = (!strlen($col) ? "NULL" : $dbh->quote(str_replace('""', '"', preg_replace('~^"|"$~', '', $col))));
}
$rows[] = "\n(" . implode(", ", $row) . ")";
$s = "\n(" . implode(", ", $row) . ")";
$length += 1 + strlen($s); // 1 - separator length
if ($rows && $length > $packet_size) {
$result = queries($query . implode(",", $rows));
if (!$result) {
break;
}
$affected += $dbh->affected_rows;
$length = strlen($query);
$rows = array();
}
$rows[] = $s;
}
if (!$key) {
$query .= " VALUES";
$length += strlen($query);
}
}
$result = queries("INSERT INTO " . idf_escape($_GET["select"]) . "$cols VALUES" . implode(",", $rows));
query_redirect(queries(), remove_from_uri("page"), lang('%d row(s) have been imported.', $dbh->affected_rows), $result, false, !$result);
if ($result) {
$result = queries($query . implode(",", $rows));
$affected += $dbh->affected_rows;
}
query_redirect(queries(), remove_from_uri("page"), lang('%d row(s) have been imported.', $affected), $result, false, !$result);
} else {
$error = upload_error($file);
}

1
changes.txt
View file

@ -1,5 +1,6 @@
Adminer 2.0.1:
Display column comments in table overview
Respect max_allowed_packet in CSV import
Fix Editor date format
Fix long SQL query crash (bug #2839231)