pg_cancel_query

pg_cancel_query

Cancel an asynchronous query

bool **pg_cancel_query** PgSql\Connection $connection

cancels an asynchronous query sent with 

, or . You cannot cancel a query executed using . pg_cancel_query``pg_send_query``pg_send_query_params``pg_send_execute``pg_query

connection

return.success

Voorbeeld: example

<?php
  $dbconn = pg_connect("dbname=publisher") or die("Could not connect");

  if (!pg_connection_busy($dbconn)) {
      pg_send_query($dbconn, "select * from authors; select count(*) from authors;");
  }
  
  $res1 = pg_get_result($dbconn);
  echo "First call to pg_get_result(): $res1\n";
  $rows1 = pg_num_rows($res1);
  echo "$res1 has $rows1 records\n\n";
  
  // Cancel the currently running query.  Will be the second query if it is
  // still running.
  pg_cancel_query($dbconn);
?>

First call to pg_get_result(): Resource id #3
Resource id #3 has 3 records

pg_send_query``pg_connection_busy