* @param array $options
* - cascade: If true we delete records in other tables that depend on the one we're deleting through
* relations (default: true)
- * @param boolean $in_process Internal use: Only do a commit after the last delete
* @param array $callstack Internal use: prevent endless loops
*
- * @return boolean|array was the delete successful? When $in_process is set: deletion data
+ * @return boolean was the delete successful?
*/
- public static function delete($table, array $conditions, array $options = [], $in_process = false, array &$callstack = [])
+ public static function delete($table, array $conditions, array $options = [], array &$callstack = [])
{
if (empty($table) || empty($conditions)) {
Logger::log('Table and conditions have to be set');
if ((count($conditions) == 1) && ($field == array_keys($conditions)[0])) {
foreach ($rel_def AS $rel_table => $rel_fields) {
foreach ($rel_fields AS $rel_field) {
- $retval = self::delete($rel_table, [$rel_field => array_values($conditions)[0]], $options, true, $callstack);
- $commands = array_merge($commands, $retval);
+ $retval = self::delete($rel_table, [$rel_field => array_values($conditions)[0]], $options, $callstack);
}
}
// We quit when this key already exists in the callstack.
} elseif (!isset($callstack[$qkey])) {
-
$callstack[$qkey] = true;
// Fetch all rows that are to be deleted
$data = self::select($table, [$field], $conditions);
while ($row = self::fetch($data)) {
- // Now we accumulate the delete commands
- $retval = self::delete($table, [$field => $row[$field]], $options, true, $callstack);
- $commands = array_merge($commands, $retval);
+ self::delete($table, [$field => $row[$field]], $options, $callstack);
}
self::close($data);
}
}
- if (!$in_process) {
- // Now we finalize the process
- $do_transaction = !self::$in_transaction;
+ // Now we finalize the process
+ $do_transaction = !self::$in_transaction;
- if ($do_transaction) {
- self::transaction();
- }
+ if ($do_transaction) {
+ self::transaction();
+ }
- $compacted = [];
- $counter = [];
+ $compacted = [];
+ $counter = [];
- foreach ($commands AS $command) {
- $conditions = $command['conditions'];
- reset($conditions);
- $first_key = key($conditions);
+ foreach ($commands AS $command) {
+ $conditions = $command['conditions'];
+ reset($conditions);
+ $first_key = key($conditions);
- $condition_string = self::buildCondition($conditions);
+ $condition_string = self::buildCondition($conditions);
- if ((count($command['conditions']) > 1) || is_int($first_key)) {
- $sql = "DELETE FROM `" . $command['table'] . "`" . $condition_string;
- Logger::log(self::replaceParameters($sql, $conditions), Logger::DATA);
+ if ((count($command['conditions']) > 1) || is_int($first_key)) {
+ $sql = "DELETE FROM `" . $command['table'] . "`" . $condition_string;
+ Logger::log(self::replaceParameters($sql, $conditions), Logger::DATA);
- if (!self::e($sql, $conditions)) {
- if ($do_transaction) {
- self::rollback();
- }
- return false;
- }
- } else {
- $key_table = $command['table'];
- $key_condition = array_keys($command['conditions'])[0];
- $value = array_values($command['conditions'])[0];
-
- // Split the SQL queries in chunks of 100 values
- // We do the $i stuff here to make the code better readable
- $i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
- if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
- ++$i;
+ if (!self::e($sql, $conditions)) {
+ if ($do_transaction) {
+ self::rollback();
}
-
- $compacted[$key_table][$key_condition][$i][$value] = $value;
- $counter[$key_table][$key_condition] = $i;
+ return false;
+ }
+ } else {
+ $key_table = $command['table'];
+ $key_condition = array_keys($command['conditions'])[0];
+ $value = array_values($command['conditions'])[0];
+
+ // Split the SQL queries in chunks of 100 values
+ // We do the $i stuff here to make the code better readable
+ $i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
+ if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
+ ++$i;
}
+
+ $compacted[$key_table][$key_condition][$i][$value] = $value;
+ $counter[$key_table][$key_condition] = $i;
}
- foreach ($compacted AS $table => $values) {
- foreach ($values AS $field => $field_value_list) {
- foreach ($field_value_list AS $field_values) {
- $sql = "DELETE FROM `" . $table . "` WHERE `" . $field . "` IN (" .
- substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
+ }
+ foreach ($compacted AS $table => $values) {
+ foreach ($values AS $field => $field_value_list) {
+ foreach ($field_value_list AS $field_values) {
+ $sql = "DELETE FROM `" . $table . "` WHERE `" . $field . "` IN (" .
+ substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
- Logger::log(self::replaceParameters($sql, $field_values), Logger::DATA);
+ Logger::log(self::replaceParameters($sql, $field_values), Logger::DATA);
- if (!self::e($sql, $field_values)) {
- if ($do_transaction) {
- self::rollback();
- }
- return false;
+ if (!self::e($sql, $field_values)) {
+ if ($do_transaction) {
+ self::rollback();
}
+ return false;
}
}
}
- if ($do_transaction) {
- self::commit();
- }
- return true;
}
-
- return $commands;
+ if ($do_transaction) {
+ self::commit();
+ }
+ return true;
}
/**