pg_delete

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

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pg_delete ( resource $connection , string $table_name , array $assoc_array [, int $options = PGSQL_DML_EXEC ] ) : mixed

pg_delete() ɾ�����������ļ�¼�������� assoc_array ���� field=>value ��ʽ���������ָ���� option���� pg_convert() ���ո�ѡ�������� assoc_array ֮�ϡ�

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connection

PostgreSQL database connection resource.

table_name

Name of the table from which to delete rows.

assoc_array

An array whose keys are field names in the table table_name, and whose values are the values of those fields that are to be deleted.

options

Any number of PGSQL_CONV_FORCE_NULL, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.

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�ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE�� Returns string if PGSQL_DML_STRING is passed via options.

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Example #1 pg_delete() ����

<?php 
  $db 
pg_connect('dbname=foo');
  
// This is safe, since $_POST is converted automatically
  
$res pg_delete($db'post_log'$_POST);
  if (
$res) {
      echo 
"POST data is deleted: $res\n";
  } else {
      echo 
"User must have sent wrong inputs\n";
  }
?>

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