Php/docs/function.cubrid-seq-drop

• PHP Manual
• CUBRID 函数
• Delete an element from sequence type column using OID

cubrid_seq_drop

(PECL CUBRID >= 8.3.0)

cubrid_seq_drop — Delete an element from sequence type column using OID

说明

cubrid_seq_drop ( resource $conn_identifier , string $oid , string $attr_name , int $index ) : bool

The cubrid_seq_drop() function is used to delete an element you request from the given sequence type attribute in the database.

参数

conn_identifier

Connection identifier.

oid

OID of the instance you want to work with.

attr_name

Name of the attribute that you want to delete an element from.

index

Index of the element that you want to delete (1-based).

返回值

true, when process is successful.

false, when process is unsuccessful.

范例

Example #1 cubrid_seq_drop() example

<?php$conn = cubrid_connect("localhost", 33000, "demodb", "dba");@cubrid_execute($conn, "DROP TABLE foo");cubrid_execute($conn, "CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c sequence(int), d char(10))");cubrid_execute($conn, "INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')");$req = cubrid_execute($conn, "SELECT * FROM foo", CUBRID_INCLUDE_OID);cubrid_move_cursor($req, 1, CUBRID_CURSOR_FIRST);$oid = cubrid_current_oid($req);$attr = cubrid_col_get($conn, $oid, "c");var_dump($attr);cubrid_seq_drop($conn, $oid, "c", 4);$attr = cubrid_col_get($conn, $oid, "c");var_dump($attr);cubrid_close_request($req);cubrid_disconnect($conn);?>

以上例程会输出：

array(4) {
  [0]=>
  string(2) "11"
  [1]=>
  string(2) "22"
  [2]=>
  string(2) "33"
  [3]=>
  string(3) "333"
}
array(3) {
  [0]=>
  string(2) "11"
  [1]=>
  string(2) "22"
  [2]=>
  string(2) "33"
}

参见

• cubrid_seq_insert() - Insert an element to a sequence type column using OID
• cubrid_seq_put() - Update the element value of sequence type column using OID