Exception thrown by an error in a database transaction. Hierarchy class \Drupal\Core\Database\

public Connection::queryTemporary($query, array $args = array()

public Connection::prepareQuery($query)

A wrapper class for creating and managing database transactions. Not all databases or database configurations support transactions. For example

The unique or primary key of the table. Type: string File

public &SelectExtender::getUnion()

public PlaceholderInterface::nextPlaceholder()

public Truncate::__construct(Connection $connection, $table, array $options

public Schema::changeField($table, $field, $field_new, $spec, $keys_new

public Connection::getFullQualifiedTableName($table)