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

### Description

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.

### Parameters

`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).

### Return Values

Returns `true` on success or `false` on failure.

### Examples

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);
?>`

The above example will output:

    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"
    }

### See Also

- 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

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