(PHP 4 >= 4.2.0, PHP 5)
pg_num_fields() PostgreSQL result い逆计ヘ把计琌パ pg_query() ㄧ计琩高挡狦戈方腹璝狦岿玥 -1
猔: セㄧ计玡 pg_numfields()
把ǎ pg_num_rows() ㎝ pg_affected_rows()