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<pg_num_fieldspg_options>
Last updated: Mon, 16 Jul 2012

pg_num_rows

(PHP 4 >= 4.2.0, PHP 5)

pg_num_rows -- 返回行的数目

说明

int pg_num_rows ( resource result )

pg_num_rows() 返回 PostgreSQL result 中的行的数目。result 参数是由 pg_query() 函数返回的查询结果资源号。如果出错则返回 -1。

注: pg_affected_rows() 函数获得被 INSERT,UPDATE 和 DELETE 命令影响到的行的数目。

注: 本函数以前的名字为 pg_numrows()

参见 pg_num_fields()pg_affected_rows()




<pg_num_fieldspg_options>
 Last updated: Mon, 16 Jul 2012
 
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