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New function to check for the existance of data

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This commit is contained in:
Michael 2017-04-24 19:23:49 +00:00
parent 0c8a2fd345
commit d67338a895
1 changed files with 74 additions and 21 deletions
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89
include/dba.php
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@ -529,27 +529,26 @@ class dba {
switch (self::$dbo->driver) {
case 'pdo':
$stmt = self::$dbo->db->prepare($sql);
if (!$stmt = self::$dbo->db->prepare($sql)) {
$errorInfo = self::$dbo->db->errorInfo();
self::$dbo->error = $errorInfo[2];
self::$dbo->errorno = $errorInfo[1];
$retval = false;
break;
}
foreach ($args AS $param => $value) {
$stmt->bindParam($param, $args[$param]);
}
$success = $stmt->execute();
if ($success) {
$retval = $stmt;
} else {
$retval = false;
}
if (!$stmt->execute()) {
$errorInfo = self::$dbo->db->errorInfo();
if ($errorInfo) {
self::$dbo->error = $errorInfo[2];
self::$dbo->errorno = $errorInfo[1];
$retval = false;
} else {
$retval = $stmt;
}
break;
case 'mysqli':
$stmt = self::$dbo->db->stmt_init();
@ -614,15 +613,22 @@ class dba {
break;
}
$a->save_timestamp($stamp1, 'database');
if (x($a->config,'system') && x($a->config['system'], 'db_log')) {
$stamp2 = microtime(true);
$duration = (float)($stamp2 - $stamp1);
$a->save_timestamp($stamp1, 'database');
if (strtolower(substr($orig_sql, 0, 6)) != "select") {
$a->save_timestamp($stamp1, "database_write");
if (($duration > $a->config["system"]["db_loglimit"])) {
$duration = round($duration, 3);
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
@file_put_contents($a->config["system"]["db_log"], datetime_convert()."\t".$duration."\t".
basename($backtrace[1]["file"])."\t".
$backtrace[1]["line"]."\t".$backtrace[2]["function"]."\t".
substr($sql, 0, 2000)."\n", FILE_APPEND);
}
}
return $retval;
}
@ -633,10 +639,49 @@ class dba {
* @return boolean Was the query successfull?
*/
static public function e($sql) {
$a = get_app();
$stamp = microtime(true);
$args = func_get_args();
$stmt = self::p();
$stmt = call_user_func_array('self::p', $args);
if (is_bool($stmt)) {
$retval = $stmt;
} elseif (is_object($stmt)) {
$retval = true;
} else {
$retval = false;
}
self::close($stmt);
$a->save_timestamp($stamp, "database_write");
return $retval;
}
/**
* @brief Check if data exists
*
* @param string $sql SQL statement
* @return boolean Are there rows for that query?
*/
static public function exists($sql) {
$args = func_get_args();
$stmt = call_user_func_array('self::p', $args);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = is_array(self::fetch($stmt));
}
self::close($stmt);
return $retval;
}
/**
@ -646,6 +691,10 @@ class dba {
* @return array current row
*/
static public function fetch($stmt) {
if (!is_object($stmt)) {
return false;
}
switch (self::$dbo->driver) {
case 'pdo':
return $stmt->fetch(PDO::FETCH_ASSOC);
@ -696,6 +745,10 @@ class dba {
* @return boolean was the close successfull?
*/
static public function close($stmt) {
if (!is_object($stmt)) {
return false;
}
switch (self::$dbo->driver) {
case 'pdo':
return $stmt->closeCursor();