pg_result_status

(PHP 4 >= 4.2.0, PHP 5)

pg_result_status --  Get status of query result

Описание

mixed pg_result_status ( resource result [, int type] )

pg_result_status() returns the status of a result resource, or the PostgreSQL command completion tag associated with the result

Список параметров

result

PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

type

Either PGSQL_STATUS_LONG to return the numeric status of the result, or PGSQL_STATUS_STRING to return the command tag of the result. If not specified, PGSQL_STATUS_LONG is the default.

Возвращаемые значения

Possible return values are PGSQL_EMPTY_QUERY, PGSQL_COMMAND_OK, PGSQL_TUPLES_OK, PGSQL_COPY_OUT, PGSQL_COPY_IN, PGSQL_BAD_RESPONSE, PGSQL_NONFATAL_ERROR and PGSQL_FATAL_ERROR if PGSQL_STATUS_LONG is specified. Otherwise, a string containing the PostgreSQL command tag is returned.

Примеры

Пример 1. pg_result_status() example

<?php

// Connect to the database
$conn = pg_pconnect("dbname=publisher");

// Execute a COPY
$result = pg_query($conn, "COPY authors FROM STDIN;");

// Get the result status
$status = pg_result_status($result);

// Determine status
if ($status == PGSQL_COPY_IN)
   echo "Copy began.";
else
   echo "Copy failed.";
 
?>

Результат выполнения данного примера:

Copy began.

Смотрите также

pg_connection_status()



pg_result_status
Meej Vaj
08-Jun-2005 06:45
If on "accident" your program passes pg_result_status a variable that is NOT a actual pg resource, it will return an empty string.
(This is important to know if you want to make sure a pg resource is "good" before attempting some operation on it).
romix at gmx dot de
16-Oct-2002 06:29
0 = PGSQL_EMPTY_QUERY
1 = PGSQL_COMMAND_OK
2 = PGSQL_TUPLES_OK
3 = PGSQL_COPY_TO
4 = PGSQL_COPY_FROM
5 = PGSQL_BAD_RESPONSE
6 = PGSQL_NONFATAL_ERROR
7 = PGSQL_FATAL_ERROR

<pg_result_seekpg_select>
 Last updated: Tue, 15 Nov 2005