pg_trace

(PHP 4 >= 4.0.1, PHP 5, PHP 7)

pg_trace锟斤拷锟斤拷一锟斤拷 PostgreSQL 锟斤拷锟接碉拷追锟劫癸拷锟斤拷

说锟斤拷

pg_trace ( string $pathname [, string $mode [, resource $connection ]] ) : bool

pg_trace() 锟斤拷锟斤拷 PostgreSQL 前锟剿o拷锟斤拷锟酵ㄑ讹拷锟阶凤拷俨锟斤拷锟铰硷拷锟� pathname 指锟斤拷锟斤拷锟侥硷拷锟叫★拷要锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷没锟斤拷锟揭拷锟较� PostgreSQL 通讯协锟斤拷谋锟斤拷省锟斤拷圆锟斤拷锟较わ拷锟斤拷没锟斤拷锟剿碉拷锟阶凤拷俜锟斤拷偷锟斤拷锟斤拷锟斤拷锟斤拷牟锟窖拷锟斤拷锟斤拷锟饺伙拷锟斤拷茫锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 grep '^To backend' trace.log 锟斤拷锟介看锟斤拷些锟斤拷询实锟斤拷锟较憋拷锟斤拷锟酵碉拷锟斤拷 PostgreSQL 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷息锟轿匡拷 PostgreSQL 锟街册。

锟斤拷锟斤拷 pathname 锟斤拷 mode 锟斤拷 fopen()(mode 默锟斤拷为 'w') 锟叫碉拷一锟斤拷锟斤拷connection 指锟斤拷锟斤拷要追锟劫碉拷锟斤拷锟接o拷默锟斤拷为锟斤拷一锟斤拷锟津开碉拷锟斤拷锟接★拷

锟斤拷锟� pathname 锟斤拷锟斤拷锟斤拷为锟斤拷志锟侥硷拷锟津开o拷锟斤拷 pg_trace() 锟斤拷锟斤拷 TRUE锟斤拷锟斤拷锟津返伙拷 FALSE锟斤拷

锟轿硷拷 fopen() 锟斤拷 pg_untrace()锟斤拷