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(PECL CUBRID >= 8.4.0)
cubrid_set_db_parameter — Sets the CUBRID database parameters
$conn_identifier   
   ,  int $param_type   
   ,  int $param_value   
   )The cubrid_set_db_parameter() function is used to set the CUBRID database parameters. It can set the following CUBRID database parameters:
PARAM_ISOLATION_LEVEL  PARAM_LOCK_TIMEOUT  Note:
The auto-commit mode can be set by using cubrid_set_autocommit() .
conn_identifier The CUBRID connection. If the connection identifier is not specified, the last link opened by cubrid_connect() is assumed.
param_type Database parameter type.
param_value Isolation level value (1-6) or lock timeout (in seconds) value.
  TRUE  on success.
  
  FALSE  on failure.
  
Example #1 cubrid_get_db_parameter() example
  <?php
$conn  =  cubrid_connect ( "localhost" ,  33000 ,  "demodb" ,  "dba" );
 $params  =  cubrid_get_db_parameter ( $conn );
 var_dump ( $params );
 cubrid_set_autocommit ( $conn ,  CUBRID_AUTOCOMMIT_TRUE );
 cubrid_set_db_parameter ( $conn ,  CUBRID_PARAM_ISOLATION_LEVEL ,  2 );
 $params_new  =  cubrid_get_db_parameter ( $conn );
 var_dump ( $params_new );
 cubrid_disconnect ( $conn );
 ?>   以上例程会输出:
array(4) {
  ["PARAM_ISOLATION_LEVEL"]=>
  int(3)
  ["PARAM_LOCK_TIMEOUT"]=>
  int(-1)
  ["PARAM_MAX_STRING_LENGTH"]=>
  int(1073741823)
  ["PARAM_AUTO_COMMIT"]=>
  int(0)
}
array(4) {
  ["PARAM_ISOLATION_LEVEL"]=>
  int(2)
  ["PARAM_LOCK_TIMEOUT"]=>
  int(-1)
  ["PARAM_MAX_STRING_LENGTH"]=>
  int(1073741823)
  ["PARAM_AUTO_COMMIT"]=>
  int(1)
}