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Make users.u_id UNIQUE for use as a FK in user_teams_membership #1587

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Merged
cpeel merged 1 commit into from
Jun 4, 2026
Merged

Make users.u_id UNIQUE for use as a FK in user_teams_membership #1587

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2 changes: 1 addition & 1 deletion SETUP/db_schema.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -655,7 +655,7 @@ CREATE TABLE `users` (
`navbar_activity_menu` tinyint NOT NULL DEFAULT '1',
PRIMARY KEY (`username`),
UNIQUE KEY `api_key` (`api_key`),
KEY `u_id` (`u_id`),
UNIQUE KEY `u_id` (`u_id`),
KEY `last_login` (`last_login`),
KEY `t_last_activity` (`t_last_activity`),
KEY `api_key_username` (`api_key`,`username`),
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22 changes: 22 additions & 0 deletions SETUP/upgrade/25/20260603_make_users_u_id_unique.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
<?php
$relPath = '../../../pinc/';
include_once($relPath.'base.inc');

header('Content-type: text/plain');

// ------------------------------------------------------------

echo "Making u_id INDEX in users UNIQUE..\n";
$sql = "
ALTER TABLE users
DROP INDEX u_id,
ADD UNIQUE INDEX u_id (u_id);
";

echo "$sql\n";

mysqli_query(DPDatabase::get_connection(), $sql) or die(mysqli_error(DPDatabase::get_connection()));

// ------------------------------------------------------------

echo "\nDone!\n";