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How Mysql Connection Error to user 

fixes #207
This commit is contained in:
Felix Favre 2015-08-26 14:51:00 +02:00
parent 2df2398b87
commit 1af6b8cf20
1 changed files with 23 additions and 21 deletions
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44
includes/mysqli_provider.php
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@ -5,7 +5,7 @@
*/
function sql_close() {
global $sql_connection;
return $sql_connection->close();
}
@ -21,7 +21,7 @@ function sql_null($value = null) {
*/
function sql_transaction_start() {
global $sql_nested_transaction_level;
if ($sql_nested_transaction_level ++ == 0)
return sql_query("BEGIN");
else
@ -33,7 +33,7 @@ function sql_transaction_start() {
*/
function sql_transaction_commit() {
global $sql_nested_transaction_level;
if (-- $sql_nested_transaction_level == 0)
return sql_query("COMMIT");
else
@ -45,7 +45,7 @@ function sql_transaction_commit() {
*/
function sql_transaction_rollback() {
global $sql_nested_transaction_level;
if (-- $sql_nested_transaction_level == 0)
return sql_query("ROLLBACK");
else
@ -55,17 +55,17 @@ function sql_transaction_rollback() {
/**
* Logs an sql error.
*
* @param string $message
* @param string $message
* @return false
*/
function sql_error($message) {
sql_close();
$message = trim($message) . "\n";
$message .= debug_string_backtrace() . "\n";
error_log('mysql_provider error: ' . $message);
return false;
}
@ -84,19 +84,21 @@ function sql_error($message) {
*/
function sql_connect($host, $user, $pass, $db) {
global $sql_connection;
$sql_connection = new mysqli($host, $user, $pass, $db);
if ($sql_connection->connect_errno)
if ($sql_connection->connect_errno) {
error("Unable to connect to MySQL: " . $sql_connection->connect_error);
return sql_error("Unable to connect to MySQL: " . $sql_connection->connect_error);
}
$result = $sql_connection->query("SET CHARACTER SET utf8;");
if (! $result)
return sql_error("Unable to set utf8 character set (" . $sql_connection->errno . ") " . $sql_connection->error);
$result = $sql_connection->set_charset('utf8');
if (! $result)
return sql_error("Unable to set utf8 names (" . $sql_connection->errno . ") " . $sql_connection->error);
return $sql_connection;
}
@ -117,12 +119,12 @@ function sql_select_db($db_name) {
/**
* MySQL SELECT query
*
* @param string $query
* @param string $query
* @return Result array or false on error
*/
function sql_select($query) {
global $sql_connection;
$result = $sql_connection->query($query);
if ($result) {
$data = array();
@ -136,12 +138,12 @@ function sql_select($query) {
/**
* MySQL execute a query
*
* @param string $query
* @param string $query
* @return mysqli_result boolean resource or false on error
*/
function sql_query($query) {
global $sql_connection;
$result = $sql_connection->query($query);
if ($result) {
return $result;
@ -162,7 +164,7 @@ function sql_id() {
/**
* Escape a string for a sql query.
*
* @param string $query
* @param string $query
* @return string
*/
function sql_escape($query) {
@ -172,8 +174,8 @@ function sql_escape($query) {
/**
* Convert a boolean for mysql-queries.
*
* @param boolean $boolean
*
* @param boolean $boolean
* @return string
*/
function sql_bool($boolean) {
@ -183,7 +185,7 @@ function sql_bool($boolean) {
/**
* Count query result lines.
*
* @param string $query
* @param string $query
* @return int Count of result lines
*/
function sql_num_query($query) {