/**
* Return where part of query.
*
* @param int $id
* @return string
*/
private function getWherePartById($id)
{
if (empty($id)) {
throw new InvalidArgumentException("Value '{$id}' is not a valid ID");
}
return $this->connection->prepare('(`id` = ?)', $id);
}
/**
* {@inheritdoc}
*/
public function uniqueWhere($field_name, $where, ...$context)
{
if (empty($field_name)) {
throw new InvalidArgumentException("Value '{$field_name}' is not a valid field name");
}
if (empty($context) && (!array_key_exists($field_name, $this->field_values) || $this->field_values[$field_name] === null)) {
return true;
// NULL is always good for single column keys because MySQL does not check NULL for uniqueness
}
$field_names = [$field_name];
if (count($context)) {
$field_names = array_merge($field_names, $context);
}
// Check if we have existsing columns
foreach ($field_names as $v) {
if (!array_key_exists($v, $this->field_values)) {
throw new InvalidArgumentException("Field '{$v}' is not known");
}
}
$table_name = $this->connection->escapeTableName($this->table_name);
$conditions = [];
if ($where) {
$conditions[] = $this->connection->prepareConditions($where);
}
foreach ($field_names as $v) {
$escaped_field_name = $this->connection->escapeFieldName($v);
if ($this->field_values[$v] === null) {
$conditions[] = "{$escaped_field_name} IS NULL";
} else {
$conditions[] = $this->connection->prepare("{$escaped_field_name} = ?", $this->field_values[$v]);
}
}
$conditions = implode(' AND ', $conditions);
if (empty($this->object_id)) {
$sql = sprintf("SELECT COUNT(`id`) AS 'row_count' FROM {$table_name} WHERE {$conditions}");
} else {
$sql = $this->connection->prepare("SELECT COUNT(`id`) AS 'row_count' FROM {$table_name} WHERE ({$conditions}) AND (`id` != ?)", $this->old_object_id ? $this->old_object_id : $this->object_id);
}
if ($this->connection->executeFirstCell($sql) > 0) {
if (empty($context)) {
$this->addFieldError($field_name, "Value of '{$field_name}' needs to be unique");
} else {
$this->addFieldError($field_name, "Value of '{$field_name}' needs to be unique in context of " . implode(', ', array_map(function ($field_name) {
return "'{$field_name}'";
}, $context)));
}
return false;
}
return true;
}
/**
* Insert a row with the given field values.
*
* @param mixed ...$field_values
*/
public function insert(...$field_values)
{
if ($this->is_done) {
throw new RuntimeException('This batch insert is already done');
}
if (count($field_values) == $this->fields_num) {
$this->rows[] = $this->connection->prepare($this->row_prepare_pattern, ...$field_values);
if (count($this->rows) == $this->rows_per_batch) {
$this->flush();
}
} else {
throw new BadMethodCallException('Number of arguments does not match number of fields');
}
}
