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Последние активные темы форума |
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maxdb_select_db
(no version information, might be only in CVS) maxdb_select_db -- Selects the default database for database queries
Descriptionbool maxdb_select_db ( resource link, string dbname ) The maxdb_select_db() function selects the default
database (specified by the dbname parameter) to be
used when performing queries against the database connection
represented by the link parameter.
Замечание:
This function should only be used to change the default database for the connection.
You can select the default database with 4th parameter in maxdb_connect().
Return valuesВозвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
Example
Пример 1. Процедурный стиль
<?php
$link
=
maxdb_connect
(
"localhost"
,
"MONA"
,
"RED"
);
/* check connection */
if (
maxdb_connect_errno
()) {
printf
(
"Connect failed: %s\n"
,
maxdb_connect_error
());
exit();
}
/* return name of current default database */
if (
$result
=
maxdb_query
(
$link
,
"SELECT SERVERDB FROM USERS WHERE USERNAME='MONA'"
)) {
$row
=
maxdb_fetch_row
(
$result
);
printf
(
"Default database is %s.\n"
,
$row
[
0
]);
maxdb_free_result
(
$result
);
}
/* change db to world db */
maxdb_select_db
(
$link
,
"XXXXXXXX"
);
/* return name of current default database */
if (
$result
=
maxdb_query
(
$link
,
"SELECT SERVERDB FROM USERS WHERE USERNAME='MONA'"
)) {
$row
=
maxdb_fetch_row
(
$result
);
printf
(
"Default database is %s.\n"
,
$row
[
0
]);
maxdb_free_result
(
$result
);
}
maxdb_close
(
$link
);
?>
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The above examples would produce the following output:
Default database is DB76.
Warning: maxdb_select_db(): -10709 Connection failed (RTE:database not running) <...>
Warning: maxdb_query(): -10821 Session not connected [] <...>
Warning: maxdb_close(): -10821 Session not connected [] <...> |
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