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Code Issues Releases Wiki Activity

Plugins: Add backward-keys

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This commit is contained in:
Jakub Vrana
2025-03-17 19:02:16 +01:00
parent e1f0fded69
commit a9b020452e
2 changed files with 56 additions and 1 deletions
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2
editor/include/adminer.inc.php
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@@ -121,7 +121,7 @@ FROM information_schema.KEY_COLUMN_USAGE
WHERE TABLE_SCHEMA = " . q($this->database()) . "
AND REFERENCED_TABLE_SCHEMA = " . q($this->database()) . "
AND REFERENCED_TABLE_NAME = " . q($table) . "
ORDER BY ORDINAL_POSITION", null, "") as $row //! requires MySQL 5
ORDER BY ORDINAL_POSITION", null, "") as $row
) {
$return[$row["TABLE_NAME"]]["keys"][$row["CONSTRAINT_NAME"]][$row["COLUMN_NAME"]] = $row["REFERENCED_COLUMN_NAME"];
}

55
plugins/backward-keys.php Normal file
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@@ -0,0 +1,55 @@
<?php
/** Display links to tables referencing current row, same as in Adminer Editor
* @link https://www.adminer.org/static/plugins/backward-keys.png
* @link https://www.adminer.org/plugins/#use
* @author Jakub Vrana, https://www.vrana.cz/
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
*/
class AdminerBackwardKeys {
// this is copy-pasted from Adminer Editor
function backwardKeys($table, $tableName) {
$return = array();
foreach (
Adminer\get_rows($q = "SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_COLUMN_NAME
FROM information_schema.KEY_COLUMN_USAGE
WHERE TABLE_SCHEMA = " . Adminer\q(Adminer\DB) . "
AND REFERENCED_TABLE_SCHEMA = " . Adminer\q(Adminer\DB) . "
AND REFERENCED_TABLE_NAME = " . Adminer\q($table) . "
ORDER BY ORDINAL_POSITION", null, "") as $row
) {
$return[$row["TABLE_NAME"]]["keys"][$row["CONSTRAINT_NAME"]][$row["COLUMN_NAME"]] = $row["REFERENCED_COLUMN_NAME"];
}
foreach ($return as $key => $val) {
$name = Adminer\adminer()->tableName(Adminer\table_status($key, true));
if ($name != "") {
$search = preg_quote($tableName);
$separator = '(:|\s*-)?\s+';
$return[$key]["name"] = (preg_match("(^$search$separator(.+)|^(.+?)$separator$search\$)iu", $name, $match) ? $match[2] . $match[3] : $name);
} else {
unset($return[$key]);
}
}
return $return;
}
function backwardKeysPrint($backwardKeys, $row) {
foreach ($backwardKeys as $table => $backwardKey) {
foreach ($backwardKey["keys"] as $cols) {
$link = Adminer\ME . 'select=' . urlencode($table);
$i = 0;
foreach ($cols as $column => $val) {
$link .= Adminer\where_link($i++, $column, $row[$val]);
}
echo "<a href='" . Adminer\h($link) . "'>" . Adminer\h($backwardKey["name"]) . "</a>";
$link = Adminer\ME . 'edit=' . urlencode($table);
foreach ($cols as $column => $val) {
$link .= "&set" . urlencode("[" . Adminer\bracket_escape($column) . "]") . "=" . urlencode($row[$val]);
}
echo "<a href='" . Adminer\h($link) . "' title='" . Adminer\lang('New item') . "'>+</a> ";
}
}
}
}