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HOME > PHP Manual > maxdb_stmt_affected_rows - Returns the total number of rows changed, deleted, or inserted by the last executed statement

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maxdb_stmt_affected_rows

maxdb_stmt->affected_rows

(PECL maxdb:1.0-7.6.00.38)

maxdb_stmt_affected_rows -- maxdb_stmt->affected_rows — Returns the total number of rows changed, deleted, or inserted by the last executed statement

Description

Procedural style :

int maxdb_stmt_affected_rows ( resource $stmt )

Object oriented style (property):

stmt

int $affected_rows;

maxdb_stmt_affected_rows() returns the number of rows affected by INSERT, UPDATE, or DELETE query. If the last query was invalid or the number of rows can not determined, this function will return -1.

Return Values

An integer greater than zero indicates the number of rows affected or retrieved. Zero indicates that no records where updated for an UPDATE/DELETE statement, no rows matched the WHERE clause in the query or that no query has yet been executed. -1 indicates that the query has returned an error or the number of rows can not determined.

Examples

Example #1 Object oriented style


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

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

/* create temp table */
$maxdb->query("CREATE TABLE temp.mycity LIKE hotel.city");

$query = "INSERT INTO temp.mycity SELECT * FROM hotel.city WHERE state LIKE ?";

/* prepare statement */
if ($stmt = $maxdb->prepare($query)) {

   /* Bind variable for placeholder */
   $code = 'N%';
   $stmt->bind_param("s", $code);

   /* execute statement */
   $stmt->execute();

   printf("rows inserted: %d\n", $stmt->affected_rows);

   /* close statement */
   $stmt->close();
}

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

Example #2 Procedural style


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

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

/* create temp table */
maxdb_query($link, "CREATE TABLE temp.mycity LIKE hotel.city");

$query = "INSERT INTO temp.mycity SELECT * FROM hotel.city WHERE state LIKE ?";

/* prepare statement */
if ($stmt = maxdb_prepare($link, $query)) {

   /* Bind variable for placeholder */
   $code = 'N%';
   maxdb_stmt_bind_param($stmt, "s", $code);

   /* execute statement */
   maxdb_stmt_execute($stmt);

   printf("rows inserted: %d\n", maxdb_stmt_affected_rows($stmt));

   /* close statement */
   maxdb_stmt_close($stmt);
}

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

The above example will output something similar to:

rows inserted: 4

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