framework/db/QueryBuilder.php
public function buildSimpleCondition($operator, $operands, &$params)
    {
        array_unshift($operands, $operator);
        return $this->buildCondition($operands, $params);
    }
public function buildSimpleCondition($operator, $operands, &$params)
    {
        array_unshift($operands, $operator);
        return $this->buildCondition($operands, $params);
    }
Creates an SQL expressions like `"column" operator value`.
@param string $operator the operator to use. Anything could be used e.g. `>`, `<=`, etc.
@param array $operands contains two column names.
@param array $params the binding parameters to be populated
@return string the generated SQL expression
@throws InvalidArgumentException if wrong number of operands have been given.
@deprecated since 2.0.14. Use `buildCondition()` instead.