pg_cancel_query

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

pg_cancel_query — ȡ���첽��ѯ

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pg_cancel_query ( resource $connection ) : bool

pg_cancel_query() ȡ���� pg_send_query() ���͵��첽��ѯ������ȡ���� pg_query() ִ�еIJ�ѯ��

�μ� pg_send_query() �� pg_connection_busy()��