Definition
/**
* Create an optimized bulk INSERT query for high-performance multi-row inserts.
*
* Unlike insert() which uses immutable builder patterns (O(n²) for n rows),
* this function generates SQL directly using string operations (O(n) complexity).
*
* @param string $table Table name
* @param list<string> $columns Column names
* @param int $rowCount Number of rows to insert
*/
bulk_insert(string $table, array $columns, int $rowCount) : BulkInsert