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FIX Ensure UserFormsColumnCleanTask runs safely (#1335)

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Guy Sartorelli 2024-10-15 14:54:37 +13:00 committed by GitHub
parent f5cfc22aba
commit fadfec264b
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1 changed files with 15 additions and 15 deletions
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30
code/Task/UserFormsColumnCleanTask.php
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@ -33,32 +33,32 @@ class UserFormsColumnCleanTask extends MigrationTask
$schema = DataObject::getSchema();
foreach ($this->tables as $db) {
$table = $schema->tableName($db);
$columns = $schema->databaseFields($db);
$query = "SHOW COLUMNS FROM $db";
$query = "SHOW COLUMNS FROM $table";
$liveColumns = DB::query($query)->column();
$backedUp = 0;
$query = "SHOW TABLES LIKE 'Backup_$db'";
$query = "SHOW TABLES LIKE 'Backup_$table'";
$tableExists = DB::query($query)->value();
if ($tableExists != null) {
echo "Tasks run already on $db exiting";
echo "Tasks run already on $table exiting";
return;
}
$backedUp = 0;
foreach ($liveColumns as $index => $column) {
if ($backedUp == 0) {
echo "Backing up $db <br />";
echo "Creating Backup_$db <br />";
$backedUp = false;
foreach ($liveColumns as $column) {
if (!$backedUp) {
echo "Backing up $table <br />";
echo "Creating Backup_$table <br />";
// backup table
$query = "CREATE TABLE Backup_$db LIKE $db";
$query = "CREATE TABLE Backup_$table LIKE $table";
DB::query($query);
echo "Populating Backup_$db <br />";
$query = "INSERT Backup_$db SELECT * FROM $db";
echo "Populating Backup_$table <br />";
$query = "INSERT Backup_$table SELECT * FROM $table";
DB::query($query);
$backedUp = 1;
$backedUp = true;
}
if (!isset($columns[$column]) && !in_array($column, $this->keepColumns ?? [])) {
echo "Dropping $column from $db <br />";
$query = "ALTER TABLE $db DROP COLUMN $column";
echo "Dropping $column from $table <br />";
$query = "ALTER TABLE $table DROP COLUMN $column";
DB::query($query);
}
}