type) { case 'insert': $query .= (string) $this->insert; // Set method if ($this->set) { $query .= (string) $this->set; } // Columns-Values method elseif ($this->values) { if ($this->columns) { $query .= (string) $this->columns; } $elements = $this->insert->getElements(); $tableName = array_shift($elements); $query .= 'VALUES '; $query .= (string) $this->values; if ($this->autoIncrementField) { $query = 'SET IDENTITY_INSERT ' . $tableName . ' ON;' . $query . 'SET IDENTITY_INSERT ' . $tableName . ' OFF;'; } if ($this->where) { $query .= (string) $this->where; } } break; default: $query = parent::__toString(); break; } return $query; } /** * Casts a value to a char. * * Ensure that the value is properly quoted before passing to the method. * * @param string $value The value to cast as a char. * * @return string Returns the cast value. * * @since 11.1 */ public function castAsChar($value) { return 'CAST(' . $value . ' as NVARCHAR(10))'; } /** * Gets the function to determine the length of a character string. * * @param string $field A value. * @param string $operator Comparison operator between charLength integer value and $condition * @param string $condition Integer value to compare charLength with. * * @return string The required char length call. * * @since 11.1 */ public function charLength($field, $operator = null, $condition = null) { return 'DATALENGTH(' . $field . ')' . (isset($operator) && isset($condition) ? ' ' . $operator . ' ' . $condition : ''); } /** * Concatenates an array of column names or values. * * @param array $values An array of values to concatenate. * @param string $separator As separator to place between each value. * * @return string The concatenated values. * * @since 11.1 */ public function concatenate($values, $separator = null) { if ($separator) { return '(' . implode('+' . $this->quote($separator) . '+', $values) . ')'; } else { return '(' . implode('+', $values) . ')'; } } /** * Gets the current date and time. * * @return string * * @since 11.1 */ public function currentTimestamp() { return 'GETDATE()'; } /** * Get the length of a string in bytes. * * @param string $value The string to measure. * * @return integer * * @since 11.1 */ public function length($value) { return 'LEN(' . $value . ')'; } /** * Add to the current date and time. * Usage: * $query->select($query->dateAdd()); * Prefixing the interval with a - (negative sign) will cause subtraction to be used. * * @param datetime $date The date to add to; type may be time or datetime. * @param string $interval The string representation of the appropriate number of units * @param string $datePart The part of the date to perform the addition on * * @return string The string with the appropriate sql for addition of dates * * @since 13.1 * @note Not all drivers support all units. * @link http://msdn.microsoft.com/en-us/library/ms186819.aspx for more information */ public function dateAdd($date, $interval, $datePart) { return "DATEADD('" . $datePart . "', '" . $interval . "', '" . $date . "'" . ')'; } }