class Upsert in Zircon Profile 8

MySQL implementation of \Drupal\Core\Database\Query\Upsert.

Hierarchy

• class \Drupal\Core\Database\Query\Query implements PlaceholderInterface
  • class \Drupal\Core\Database\Query\Upsert uses InsertTrait
    • class \Drupal\Core\Database\Driver\mysql\Upsert

2 string references to 'Upsert'

Connection::upsert in core/lib/Drupal/Core/Database/Connection.php

Prepares and returns an UPSERT query object.

Connection::upsert in core/lib/Drupal/Core/Database/Driver/pgsql/Connection.php

Prepares and returns an UPSERT query object.

File

core/lib/Drupal/Core/Database/Driver/mysql/Upsert.php, line 15

Contains \Drupal\Core\Database\Driver\mysql\Upsert.

Namespace

Drupal\Core\Database\Driver\mysql

class Upsert extends QueryUpsert {

  /**
   * {@inheritdoc}
   */
  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);
    $query = $comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $insert_fields) . ') VALUES ';
    $values = $this
      ->getInsertPlaceholderFragment($this->insertValues, $this->defaultFields);
    $query .= implode(', ', $values);

    // Updating the unique / primary key is not necessary.
    unset($insert_fields[$this->key]);
    $update = [];
    foreach ($insert_fields as $field) {
      $update[] = "{$field} = VALUES({$field})";
    }
    $query .= ' ON DUPLICATE KEY UPDATE ' . implode(', ', $update);
    return $query;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
InsertTrait::$defaultFields	protected	property	An array of fields that should be set to their database-defined defaults.
InsertTrait::$insertFields	protected	property	An array of fields on which to insert.
InsertTrait::$insertValues	protected	property	A nested array of values to insert.
InsertTrait::$table	protected	property	The table on which to insert.
InsertTrait::fields	public	function	Adds a set of field->value pairs to be inserted.
InsertTrait::getInsertPlaceholderFragment	protected	function	Returns the query placeholders for values that will be inserted.
InsertTrait::useDefaults	public	function	Specifies fields for which the database defaults should be used.
InsertTrait::values	public	function	Adds another set of values to the query to be inserted.
Query::$comments	protected	property	An array of comments that can be prepended to a query.
Query::$connection	protected	property	The connection object on which to run this query.
Query::$connectionKey	protected	property	The key of the connection object.
Query::$connectionTarget	protected	property	The target of the connection object.
Query::$nextPlaceholder	protected	property	The placeholder counter.
Query::$queryOptions	protected	property	The query options to pass on to the connection object.
Query::$uniqueIdentifier	protected	property	A unique identifier for this query object.
Query::comment	public	function	Adds a comment to the query.
Query::getComments	public	function	Returns a reference to the comments array for the query.
Query::nextPlaceholder	public	function	Gets the next placeholder value for this query object. Overrides PlaceholderInterface::nextPlaceholder
Query::uniqueIdentifier	public	function	Returns a unique identifier for this object. Overrides PlaceholderInterface::uniqueIdentifier
Query::__clone	public	function	Implements the magic __clone function.	1
Query::__sleep	public	function	Implements the magic __sleep function to disconnect from the database.
Query::__wakeup	public	function	Implements the magic __wakeup function to reconnect to the database.
Upsert::$key	protected	property	The unique or primary key of the table.
Upsert::execute	public	function	Runs the query against the database. Overrides Query::execute	2
Upsert::key	public	function	Sets the unique / primary key field to be used as condition for this query.
Upsert::preExecute	protected	function	Preprocesses and validates the query.
Upsert::__construct	public	function	Constructs an Upsert object. Overrides Query::__construct
Upsert::__toString	public	function	Implements PHP magic __toString method to convert the query to a string. Overrides Query::__toString