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Code Issues Releases Wiki Activity

AdminerBackwardKeys: Support PostgreSQL

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This commit is contained in:
Jakub Vrana
2025-06-18 16:51:29 +02:00
parent 2744538c8c
commit 27c5f6d21b
1 changed files with 15 additions and 7 deletions
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22
plugins/backward-keys.php
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@@ -11,15 +11,23 @@ class AdminerBackwardKeys extends Adminer\Plugin {
function backwardKeys($table, $tableName) {
$return = array();
// we couldn't use the same query in MySQL and PostgreSQL because unique_constraint_name is not table-specific in MySQL and referenced_table_name is not available in PostgreSQL
foreach (
Adminer\get_rows($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 $row
Adminer\get_rows("SELECT s.table_name table_name, s.constraint_name constraint_name, s.column_name column_name, " . (Adminer\JUSH == "sql" ? "referenced_column_name" : "t.column_name") . " referenced_column_name
FROM information_schema.key_column_usage s" . (Adminer\JUSH == "sql" ? "
WHERE table_schema = " . Adminer\q(Adminer\DB) . "
AND referenced_table_schema = " . Adminer\q(Adminer\DB) . "
AND referenced_table_name" : "
JOIN information_schema.referential_constraints r USING (constraint_catalog, constraint_schema, constraint_name)
JOIN information_schema.key_column_usage t ON r.unique_constraint_catalog = t.constraint_catalog
AND r.unique_constraint_schema = t.constraint_schema
AND r.unique_constraint_name = t.constraint_name
AND s.position_in_unique_constraint = t.ordinal_position
WHERE t.table_catalog = " . Adminer\q(Adminer\DB) . " AND t.table_schema = " . Adminer\q($_GET["ns"]) . "
AND t.table_name") . " = " . Adminer\q($table) . "
ORDER BY s.ordinal_position", null, "") as $row
) {
$return[$row["TABLE_NAME"]]["keys"][$row["CONSTRAINT_NAME"]][$row["COLUMN_NAME"]] = $row["REFERENCED_COLUMN_NAME"];
$return[$row["table_name"]]["keys"][$row["constraint_name"]][$row["column_name"]] = $row["referenced_column_name"];
}
foreach ($return as $key => $val) {
$name = Adminer\adminer()->tableName(Adminer\table_status1($key, true));