MaxDB Funktionen
PHP-Handbuch

maxdb_info

maxdb::info

Retrieves information about the most recently executed query

Beschreibung

Prozeduraler Stil

string maxdb_info ( resource $link )

Objektorientierter Stil

string$maxdb->info;

The maxdb_info function returns a string providing information about the last query executed. The nature of this string is provided below:

Possible maxdb_info return values
Query type Example result string
INSERT INTO...SELECT... Records: 100 Duplicates: 0 Warnings: 0
INSERT INTO...VALUES (...),(...),(...) Records: 3 Duplicates: 0 Warnings: 0
LOAD DATA INFILE ... Records: 1 Deleted: 0 Skipped: 0 Warnings: 0
ALTER TABLE ... Records: 3 Duplicates: 0 Warnings: 0
UPDATE ... Rows matched: 40 Changed: 40 Warnings: 0

Hinweis:

Queries which do not fall into one of the above formats are not supported. In these situations, maxdb_info will return an empty string.

Rückgabewerte

A character string representing additional information about the most recently executed query.

Beispiele

Beispiel #1 Objektorientierter Stil

<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$maxdb->query("CREATE TABLE temp.t1 LIKE hotel.city");

/* INSERT INTO .. SELECT */
$maxdb->query("INSERT INTO temp.t1 SELECT * FROM hotel.city");
printf("%s\n", $maxdb->info);

/* close connection */
$maxdb->close();
?>

Beispiel #2 Prozeduraler Stil

<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

maxdb_query($link, "CREATE TABLE temp.t1 LIKE hotel.city");

/* INSERT INTO .. SELECT */
maxdb_query($link, "INSERT INTO temp.t1 SELECT * FROM hotel.city");
printf("%s\n", maxdb_info($link));

/* close connection */
maxdb_close($link);
?>

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

Records: 25 Duplicates: 0 Warnings: 0

Siehe auch

  • maxdb_affected_rows
  • maxdb_warning_count
  • maxdb_num_rows