cubrid_is_instance
(PECL CUBRID >= 8.3.0)
cubrid_is_instance — Check whether the instance pointed by OID exists
Description
int cubrid_is_instance
( resource
$conn_identifier
, string $oid
)
The cubrid_is_instance() function is used to check
whether the instance pointed by the given oid
exists or not.
Parameters
-
conn_identifier
-
Connection identifier.
-
oid
-
OID of the instance that you want to check the existence.
Return Values
1, if such instance exists;
0, if such instance does not exist;
-1, in case of error
Examples
Example #1 cubrid_is_instance() example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$sql = <<<EOD
SELECT host_year, medal, game_date
FROM game
WHERE athlete_code IN
(SELECT code FROM athlete WHERE name='Thorpe Ian');
EOD;
$req = cubrid_execute($conn, $sql, CUBRID_INCLUDE_OID);
$oid = cubrid_current_oid($req);
$res = cubrid_is_instance ($conn, $oid);
if ($res == 1) {
echo "Instance pointed by $oid exists.\n";
} else if ($res == 0){
echo "Instance pointed by $oid doesn't exist.\n";
} else {
echo "error\n";
}
cubrid_disconnect($conn);
?>
The above example will output:
Instance pointed by @0|0|0 doesn't exist.
See Also
- cubrid_drop() - Delete an instance using OID
- cubrid_get_class_name() - Get the class name using OID
- PHP Руководство
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- Расширения для работы с базами данных
- Расширения для работы с базами данных отдельных производителей
- CUBRID
- cubrid_bind
- cubrid_close_prepare
- cubrid_close_request
- cubrid_col_get
- cubrid_col_size
- cubrid_column_names
- cubrid_column_types
- cubrid_commit
- cubrid_connect_with_url
- cubrid_connect
- cubrid_current_oid
- cubrid_disconnect
- cubrid_drop
- cubrid_error_code_facility
- cubrid_error_code
- cubrid_error_msg
- cubrid_execute
- cubrid_fetch
- cubrid_free_result
- cubrid_get_autocommit
- cubrid_get_charset
- cubrid_get_class_name
- cubrid_get_client_info
- cubrid_get_db_parameter
- cubrid_get_query_timeout
- cubrid_get_server_info
- cubrid_get
- cubrid_insert_id
- cubrid_is_instance
- cubrid_lob_close
- cubrid_lob_export
- cubrid_lob_get
- cubrid_lob_send
- cubrid_lob_size
- cubrid_lob2_bind
- cubrid_lob2_close
- cubrid_lob2_export
- cubrid_lob2_import
- cubrid_lob2_new
- cubrid_lob2_read
- cubrid_lob2_seek64
- cubrid_lob2_seek
- cubrid_lob2_size64
- cubrid_lob2_size
- cubrid_lob2_tell64
- cubrid_lob2_tell
- cubrid_lob2_write
- cubrid_lock_read
- cubrid_lock_write
- cubrid_move_cursor
- cubrid_next_result
- cubrid_num_cols
- cubrid_num_rows
- cubrid_pconnect_with_url
- cubrid_pconnect
- cubrid_prepare
- cubrid_put
- cubrid_rollback
- cubrid_schema
- cubrid_seq_drop
- cubrid_seq_insert
- cubrid_seq_put
- cubrid_set_add
- cubrid_set_autocommit
- cubrid_set_db_parameter
- cubrid_set_drop
- cubrid_set_query_timeout
- cubrid_version
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