maxdb_stmt_affected_rows

maxdb_stmt::affected_rows

(PECL maxdb >= 1.0)

maxdb_stmt_affected_rows -- maxdb_stmt::affected_rowsReturns the total number of rows changed, deleted, or inserted by the last executed statement

Descrição

Estilo procedural

int maxdb_stmt_affected_rows ( resource $stmt )

Estilo orientado à objeto

int $maxdb_stmt->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.

Valor Retornado

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.

Exemplos

Exemplo #1 Estilo orientado à objeto

<?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();
?>

Exemplo #2 Estilo procedural

<?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);
?>

O exemplo acima irá imprimir algo similar à:

rows inserted: 4

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