protected property Merge::$expressionFields in Drupal 10

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Database/Query/Merge.php \Drupal\Core\Database\Query\Merge::expressionFields
2. 9 core/lib/Drupal/Core/Database/Query/Merge.php \Drupal\Core\Database\Query\Merge::expressionFields

Array of fields to update to an expression in case of a duplicate record.

This variable is a nested array in the following format:

<some field> => array(
 'condition' => <condition to execute, as a string>,
 'arguments' => <array of arguments for condition, or NULL for none>,
);

Type: array

File

core/lib/Drupal/Core/Database/Query/Merge.php, line 117

Class

Merge

General class for an abstracted MERGE query operation.

Namespace

Drupal\Core\Database\Query

Code

protected $expressionFields = [];