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Code Issues Releases Wiki Activity

Do not include unchanged PARTITION BY definition into ALTER TABLE query

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This commit is contained in:
Peter Knut
2024-09-22 00:33:55 +02:00
committed by Jakub Vrana
parent 99cd514a29
commit 53aad3bb62
2 changed files with 50 additions and 19 deletions
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53
adminer/create.inc.php
View File

@@ -82,20 +82,39 @@ if ($_POST && !process_fields($row["fields"]) && !$error) {
}
$partitioning = "";
if ($partition_by[$row["partition_by"]]) {
$partitions = array();
if ($row["partition_by"] == 'RANGE' || $row["partition_by"] == 'LIST') {
foreach (array_filter($row["partition_names"]) as $key => $val) {
$value = $row["partition_values"][$key];
$partitions[] = "\n PARTITION " . idf_escape($val) . " VALUES " . ($row["partition_by"] == 'RANGE' ? "LESS THAN" : "IN") . ($value != "" ? " ($value)" : " MAXVALUE"); //! SQL injection
if (support("partitioning")) {
if (isset($partition_by[$row["partition_by"]])) {
$params = array_filter($row, function ($key) {
return preg_match('~^partition~', $key);
}, ARRAY_FILTER_USE_KEY);
foreach ($params["partition_names"] as $key => $name) {
if ($name === "") {
unset($params["partition_names"][$key]);
unset($params["partition_values"][$key]);
}
}
if ($params != get_partitions_info($TABLE)) {
$partitions = array();
if ($params["partition_by"] == 'RANGE' || $params["partition_by"] == 'LIST') {
foreach ($params["partition_names"] as $key => $name) {
$value = $params["partition_values"][$key];
$partitions[] = "\n PARTITION " . idf_escape($name) . " VALUES " . ($params["partition_by"] == 'RANGE' ? "LESS THAN" : "IN") . ($value != "" ? " ($value)" : " MAXVALUE"); //! SQL injection
}
}
// $params["partition"] can be expression, not only column
$partitioning .= "\nPARTITION BY {$params["partition_by"]}({$params["partition"]})";
if ($partitions) {
$partitioning .= " (" . implode(",", $partitions) . "\n)";
} elseif ($params["partitions"]) {
$partitioning .= " PARTITIONS " . (int)$params["partitions"];
}
}
} elseif (preg_match("~partitioned~", $table_status["Create_options"])) {
$partitioning .= "\nREMOVE PARTITIONING";
}
$partitioning .= "\nPARTITION BY $row[partition_by]($row[partition])" . ($partitions // $row["partition"] can be expression, not only column
? " (" . implode(",", $partitions) . "\n)"
: ($row["partitions"] ? " PARTITIONS " . (+$row["partitions"]) : "")
);
} elseif (support("partitioning") && preg_match("~partitioned~", $table_status["Create_options"])) {
$partitioning .= "\nREMOVE PARTITIONING";
}
$message = lang('Table has been altered.');
@@ -141,13 +160,9 @@ if (!$_POST) {
}
if (support("partitioning")) {
$from = "FROM information_schema.PARTITIONS WHERE TABLE_SCHEMA = " . q(DB) . " AND TABLE_NAME = " . q($TABLE);
$result = $connection->query("SELECT PARTITION_METHOD, PARTITION_ORDINAL_POSITION, PARTITION_EXPRESSION $from ORDER BY PARTITION_ORDINAL_POSITION DESC LIMIT 1");
list($row["partition_by"], $row["partitions"], $row["partition"]) = $result->fetch_row();
$partitions = get_key_vals("SELECT PARTITION_NAME, PARTITION_DESCRIPTION $from AND PARTITION_NAME != '' ORDER BY PARTITION_ORDINAL_POSITION");
$partitions[""] = "";
$row["partition_names"] = array_keys($partitions);
$row["partition_values"] = array_values($partitions);
$row += get_partitions_info($TABLE);
$row["partition_names"][] = "";
$row["partition_values"][] = "";
}
}
}

16
adminer/include/functions.inc.php
View File

@@ -1108,6 +1108,22 @@ function search_tables() {
echo ($sep ? "<p class='message'>" . lang('No tables.') : "</ul>") . "\n";
}
/**
* @param string $table
* @return array
*/
function get_partitions_info($table) {
global $connection;
$from = "FROM information_schema.PARTITIONS WHERE TABLE_SCHEMA = " . q(DB) . " AND TABLE_NAME = " . q($table);
$result = $connection->query("SELECT PARTITION_METHOD, PARTITION_EXPRESSION, PARTITION_ORDINAL_POSITION $from ORDER BY PARTITION_ORDINAL_POSITION DESC LIMIT 1");
$info = array();
list($info["partition_by"], $info["partition"], $info["partitions"]) = $result->fetch_row();
$partitions = get_key_vals("SELECT PARTITION_NAME, PARTITION_DESCRIPTION $from AND PARTITION_NAME != '' ORDER BY PARTITION_ORDINAL_POSITION");
$info["partition_names"] = array_keys($partitions);
$info["partition_values"] = array_values($partitions);
return $info;
}
/** Send headers for export
* @param string
* @param bool