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PostgreSQL: Support COPY FROM stdin in SQL query (fix #942)

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This commit is contained in:
Jakub Vrana
2025-04-03 11:41:43 +02:00
parent 49eefa2585
commit a70089f8ce
3 changed files with 50 additions and 11 deletions
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38
adminer/drivers/pgsql.inc.php
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@@ -6,7 +6,7 @@ add_driver("pgsql", "PostgreSQL");
if (isset($_GET["pgsql"])) {
define('Adminer\DRIVER', "pgsql");
if (extension_loaded("pgsql") && $_GET["ext"] != "pdo") {
class Db extends SqlDb {
class PgsqlDb extends SqlDb {
public string $extension = "PgSQL";
public int $timeout = 0;
private $link, $string, $database = true;
@@ -88,6 +88,19 @@ if (isset($_GET["pgsql"])) {
function warnings() {
return h(pg_last_notice($this->link)); // second parameter is available since PHP 7.1.0
}
/** Copy from array into a table
* @param list<string> $rows
*/
function copyFrom(string $table, array $rows): bool {
$this->error = '';
set_error_handler(function ($errno, $error) {
$this->error = (ini_bool('html_errors') ? html_entity_decode($error) : $error);
});
$return = pg_copy_from($this->link, $table, $rows);
restore_error_handler();
return $return;
}
}
class Result {
@@ -123,7 +136,7 @@ if (isset($_GET["pgsql"])) {
}
} elseif (extension_loaded("pdo_pgsql")) {
class Db extends PdoDb {
class PgsqlDb extends PdoDb {
public string $extension = "PDO_PgSQL";
public int $timeout = 0;
@@ -155,6 +168,12 @@ if (isset($_GET["pgsql"])) {
// not implemented in PDO_PgSQL as of PHP 7.2.1
}
function copyFrom(string $table, array $rows): bool {
$return = $this->pdo->pgsqlCopyFromArray($table, $rows);
$this->error = idx($this->pdo->errorInfo(), 2) ?: '';
return $return;
}
function close() {
}
}
@@ -163,6 +182,21 @@ if (isset($_GET["pgsql"])) {
if (class_exists('Adminer\PgsqlDb')) {
class Db extends PgsqlDb {
function multi_query(string $query) {
if (preg_match('~\bCOPY\s+(.+?)\s+FROM\s+stdin;\n?(.*)\n\\\\\.$~is', str_replace("\r\n", "\n", $query), $match)) { // no ^ to allow leading comments
$rows = explode("\n", $match[2]);
$this->affected_rows = count($rows);
return $this->copyFrom($match[1], $rows);
}
return parent::multi_query($query);
}
}
}
class Driver extends SqlDriver {
static array $extensions = array("PgSQL", "PDO_PgSQL");
static string $jush = "pgsql";