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<?php
namespace Drupal\Core\Database\Driver\mysql;
use Drupal\Core\Database\Query\Insert as QueryInsert;
/**
* MySQL implementation of \Drupal\Core\Database\Query\Insert.
*/
class Insert extends QueryInsert {
public function execute() {
if (!$this->preExecute()) {
return NULL;
}
// If we're selecting from a SelectQuery, finish building the query and
// pass it back, as any remaining options are irrelevant.
if (empty($this->fromQuery)) {
$max_placeholder = 0;
$values = [];
foreach ($this->insertValues as $insert_values) {
foreach ($insert_values as $value) {
$values[':db_insert_placeholder_' . $max_placeholder++] = $value;
}
}
}
else {
$values = $this->fromQuery->getArguments();
}
$last_insert_id = $this->connection->query((string) $this, $values, $this->queryOptions);
// Re-initialize the values array so that we can re-use this query.
$this->insertValues = [];
return $last_insert_id;
}
public function __toString() {
// Create a sanitized comment string to prepend to the query.
$comments = $this->connection->makeComment($this->comments);
// Default fields are always placed first for consistency.
$insert_fields = array_merge($this->defaultFields, $this->insertFields);
// If we're selecting from a SelectQuery, finish building the query and
// pass it back, as any remaining options are irrelevant.
if (!empty($this->fromQuery)) {
$insert_fields_string = $insert_fields ? ' (' . implode(', ', $insert_fields) . ') ' : ' ';
return $comments . 'INSERT INTO {' . $this->table . '}' . $insert_fields_string . $this->fromQuery;
}
$query = $comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $insert_fields) . ') VALUES ';
$values = $this->getInsertPlaceholderFragment($this->insertValues, $this->defaultFields);
$query .= implode(', ', $values);
return $query;
}
}