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Optimize retrieving columns for schema

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This commit is contained in:
Jakub Vrana
2025-03-31 21:28:40 +02:00
parent 9f3f3b9515
commit 177429d59f
4 changed files with 31 additions and 4 deletions
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17
adminer/include/driver.inc.php
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@@ -249,6 +249,21 @@ FROM INFORMATION_SCHEMA.CHECK_CONSTRAINTS c
JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS t ON c.CONSTRAINT_SCHEMA = t.CONSTRAINT_SCHEMA AND c.CONSTRAINT_NAME = t.CONSTRAINT_NAME
WHERE c.CONSTRAINT_SCHEMA = " . q($_GET["ns"] != "" ? $_GET["ns"] : DB) . "
AND t.TABLE_NAME = " . q($table) . "
AND CHECK_CLAUSE NOT LIKE '% IS NOT NULL'"); // ignore default IS NOT NULL checks in PostrgreSQL
AND CHECK_CLAUSE NOT LIKE '% IS NOT NULL'", $this->conn); // ignore default IS NOT NULL checks in PostrgreSQL
}
/** Get all fields in the current schema
* @return array<list<array{field:string, null:bool, type:string, length:?numeric-string, primary?:numeric-string}>>
*/
function allFields(): array {
$return = array();
foreach (get_rows("SELECT TABLE_NAME AS tab, COLUMN_NAME AS field, IS_NULLABLE AS nullable, DATA_TYPE AS type, CHARACTER_MAXIMUM_LENGTH AS length" . (JUSH == 'sql' ? ", COLUMN_KEY = 'PRI' AS `primary`" : "") . "
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = " . q($_GET["ns"] != "" ? $_GET["ns"] : DB) . "
ORDER BY TABLE_NAME, ORDINAL_POSITION", $this->conn) as $row) {
$row["null"] = ($row["nullable"] == "YES");
$return[$row["tab"]][] = $row;
}
return $return;
}
}