dbplus_opendbplus_prev
(PHP 4 >= 4.0.7, PECL dbplus:0.9)
dbplus_prev — Get previous tuple from relation
说明
int dbplus_prev
( resource $relation
, array &$tuple
)
Reads the data for the previous tuple for the given relation , makes it the current tuple and will pass it back as an associative array in tuple .
返回值
Returns DBPLUS_ERR_NOERR on success or a db++ error code on failure.
注释
Warning
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。
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