prepareMerge

array public
\Bitrix\Main\DB\OracleSqlHelper::prepareMerge(
 string $tableName,
 array $primaryFields,
 array $insertFields,
 array $updateFields
);

This non-static method builds the strings for the SQL MERGE command for the given table.

Parameter	Description	Version
$tableName	Table name.
$primaryFields	Primary key columns list. `Array("column")[]`
$insertFields	What to insert. `Array("column" => $value)[]`
$updateFields	How to update. `Array("column" => $value)[]`