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8.81 Extension MySQL améliorée
8 Référence des fonctions
 Manuel PHP

Introduction
Pré-requis
Installation
Configuration à l'exécution
Classes pré-définies
Constantes pré-définies
mysqli_affected_rows
mysqli_autocommit
mysqli_bind_param
mysqli_bind_result
mysqli_change_user
mysqli_character_set_name
mysqli_client_encoding
mysqli_close
mysqli_commit
mysqli_connect_errno
mysqli_connect_error
mysqli_connect
mysqli_data_seek
mysqli_debug
mysqli_disable_reads_from_master
mysqli_disable_rpl_parse
mysqli_dump_debug_info
mysqli_embedded_connect
mysqli_enable_reads_from_master
mysqli_enable_rpl_parse
mysqli_errno
mysqli_error
mysqli_escape_string
mysqli_execute
mysqli_fetch_array
mysqli_fetch_assoc
mysqli_fetch_field_direct
mysqli_fetch_field
mysqli_fetch_fields
mysqli_fetch_lengths
mysqli_fetch_object
mysqli_fetch_row
mysqli_fetch
mysqli_field_count
mysqli_field_seek
mysqli_field_tell
mysqli_free_result
mysqli_get_client_info
mysqli_get_client_version
mysqli_get_host_info
mysqli_get_metadata
mysqli_get_proto_info
mysqli_get_server_info
mysqli_get_server_version
mysqli_info
mysqli_init
mysqli_insert_id
mysqli_kill
mysqli_master_query
mysqli_more_results
mysqli_multi_query
mysqli_next_result
mysqli_num_fields
mysqli_num_rows
mysqli_options
mysqli_param_count
mysqli_ping
mysqli_prepare
mysqli_query
mysqli_real_connect
mysqli_real_escape_string
mysqli_real_query
mysqli_report
->mysqli_rollback
mysqli_rpl_parse_enabled
mysqli_rpl_probe
mysqli_rpl_query_type
mysqli_select_db
mysqli_send_long_data
mysqli_send_query
mysqli_server_end
mysqli_server_init
mysqli_set_charset
mysqli_set_opt
mysqli_sqlstate
mysqli_ssl_set
mysqli_stat
mysqli_stmt_affected_rows
mysqli_stmt_bind_param
mysqli_stmt_bind_result
mysqli_stmt_close
mysqli_stmt_data_seek
mysqli_stmt_errno
mysqli_stmt_error
mysqli_stmt_execute
mysqli_stmt_fetch
mysqli_stmt_free_result
mysqli_stmt_init
mysqli_stmt_num_rows
mysqli_stmt_param_count
mysqli_stmt_prepare
mysqli_stmt_reset
mysqli_stmt_result_metadata
mysqli_stmt_send_long_data
mysqli_stmt_sqlstate
mysqli_stmt_store_result
mysqli_store_result
mysqli_thread_id
mysqli_thread_safe
mysqli_use_result
mysqli_warning_count

8.81.70 mysqli_rollback()mysqli->rollback()Annule la transaction courante

[ Exemples avec mysqli_rollback ]   PHP 5

Style procédural

bool  mysqli_rollback ( mysqli   link )

Style orienté objet (méthode)

mysqli bool  rollback ( void )

Annule la transaction courante pour la base de données spécifiée par le paramètre link .

Cette fonction retourne TRUE en cas de succès, FALSE en cas d'échec.

Style orienté objet

<?php
$mysqli
= new mysqli("localhost", "my_user", "my_password", "world");

/* Vérification de la connexion */
if (mysqli_connect_errno()) {
    
printf("Echec de la connexion : %s\n", mysqli_connect_error());
    exit();
}

/* Désactive l'auto-commit */
$mysqli->autocommit(FALSE);

$mysqli->query("CREATE TABLE myCity LIKE City");
$mysqli->query("ALTER TABLE myCity Type=InnoDB");
$mysqli->query("INSERT INTO myCity SELECT * FROM City LIMIT 50");

/* Validation */
$mysqli->commit();

/* Effacement de toutes les lignes */
$mysqli->query("DELETE FROM myCity");

if (
$result = $mysqli->query("SELECT COUNT(*) FROM myCity")) {
    
$row = $result->fetch_row();
    
printf("%d lignes dans la table myCity.\n", $row[0]);
    
/* Libération des résultats */
    
$result->close();
}

/* Annulation */
$mysqli->rollback();

if (
$result = $mysqli->query("SELECT COUNT(*) FROM myCity")) {
    
$row = $result->fetch_row();
    
printf("%d lignes dans la table myCity (après annulation).\n", $row[0]);
    
/* Libération des résultats */
    
$result->close();
}

/* Effacement de la table myCity */
$mysqli->query("DROP TABLE myCity");

$mysqli->close();
?>
Style procédural

<?php
$link
= mysqli_connect("localhost", "my_user", "my_password", "world");

/* Vérification de la connexion */
if (mysqli_connect_errno()) {
    
printf("Echec de la connexion : %s\n", mysqli_connect_error());
    exit();
}

/* Désactive l'auto-commit */
mysqli_autocommit($link, FALSE);

mysqli_query($link, "CREATE TABLE myCity LIKE City");
mysqli_query($link, "ALTER TABLE myCity Type=InnoDB");
mysqli_query($link, "INSERT INTO myCity SELECT * FROM City LIMIT 50");

/* Validation */
mysqli_commit($link);

/* Effacement de toutes les lignes */
mysqli_query($link, "DELETE FROM myCity");

if (
$result = mysqli_query($link, "SELECT COUNT(*) FROM myCity")) {
    
$row = mysqli_fetch_row($result);
    
printf("%d lignes dans la table myCity.\n", $row[0]);
    
/* Libération des résultats */
    
mysqli_free_result($result);
}

/* Annulation */
mysqli_rollback($link);

if (
$result = mysqli_query($link, "SELECT COUNT(*) FROM myCity")) {
    
$row = mysqli_fetch_row($result);
    
printf("%d lignes dans le table myCity (après annulation).\n", $row[0]);
    
/* Libération des résultats */
    
mysqli_free_result($result);
}

/* Effacement de la table myCity */
mysqli_query($link, "DROP TABLE myCity");

mysqli_close($link);
?>

L'exemple ci-dessus va afficher :


0 lignes dans la table myCity.
50 lignes dans la table myCity (après annulation).

mysqli_commit et mysqli_autocommit .

<< mysqli_rollback >>
mysqli_report Extension MySQL améliorée mysqli_rpl_parse_enabled





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