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/
includes/ database/ query.inc, line 1350 - Non-specific Database query code. Used by all engines.
Class
- MergeQuery
- General class for an abstracted MERGE query operation.
Code
protected $expressionFields = array();