odbc_longreadlen

(PHP 4, PHP 5, PHP 7)

odbc_longreadlen — Handling of LONG columns

说明

odbc_longreadlen ( resource $result_id , int $length ) : bool

Enables handling of LONG and LONGVARBINARY columns.

参数

result_id

The result identifier.

length

The number of bytes returned to PHP is controlled by the parameter length. If it is set to 0, Long column data is passed through to the client.

返回值

成功时返回 TRUE， 或者在失败时返回 FALSE。

注释

Note:

Handling of LONGVARBINARY columns is also affected by odbc_binmode().