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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2024 Bitrix
*/
use Bitrix\Main\DB\SqlExpression;
class CDatabaseMysql extends CAllDatabase
{
/** @var mysqli */
var $db_Conn;
public $version;
public $type = "MYSQL";
public
$escL = '`',
$escR = '`';
/**
* Closes database connection.
* @deprecated Use D7 connections.
*/
public function Disconnect()
{
if ($this->connection)
{
$this->connection->disconnect();
}
}
public static function CurrentTimeFunction()
{
return "now()";
}
public static function CurrentDateFunction()
{
return "CURRENT_DATE";
}
public function DateFormatToDB($format, $field = false)
{
static $search = [
"YYYY",
"MMMM",
"MM",
"MI",
"DD",
"HH",
"GG",
"G",
"SS",
"TT",
];
static $replace = [
"%Y",
"%M",
"%m",
"%i",
"%d",
"%H",
"%h",
"%l",
"%s",
"%p",
];
$format = str_replace($search, $replace, $format);
if (strpos($format, '%H') === false)
{
$format = str_replace("H", "%h", $format);
}
if (strpos($format, '%M') === false)
{
$format = str_replace("M", "%b", $format);
}
$lowerAmPm = false;
if (strpos($format, 'T') !== false)
{
//lowercase am/pm
$lowerAmPm = true;
$format = str_replace("T", "%p", $format);
}
if ($field === false)
{
$field = "#FIELD#";
}
if ($lowerAmPm)
{
return "REPLACE(REPLACE(DATE_FORMAT(" . $field . ", '" . $format . "'), 'PM', 'pm'), 'AM', 'am')";
}
return "DATE_FORMAT(" . $field . ", '" . $format . "')";
}
public function DatetimeToTimestampFunction($fieldName)
{
$timeZone = "";
if (CTimeZone::Enabled())
{
static $diff = false;
if ($diff === false)
{
$diff = CTimeZone::GetOffset();
}
if ($diff <> 0)
{
$timeZone = $diff > 0 ? "+" . $diff : $diff;
}
}
return "UNIX_TIMESTAMP(" . $fieldName . ")" . $timeZone;
}
public function DatetimeToDateFunction($strValue)
{
return 'DATE(' . $strValue . ')';
}
// 1 if date1 > date2
// 0 if date1 = date2
// -1 if date1 < date2
public function CompareDates($date1, $date2)
{
$s_date1 = $this->CharToDateFunction($date1);
$s_date2 = $this->CharToDateFunction($date2);
$strSql = "
SELECT
if($s_date1 > $s_date2, 1,
if ($s_date1 < $s_date2, -1,
if ($s_date1 = $s_date2, 0, 'x')
)) as RES
";
$z = $this->Query($strSql);
$zr = $z->Fetch();
return $zr["RES"];
}
public function PrepareFields($strTableName, $strPrefix = "str_", $strSuffix = "")
{
$arColumns = $this->GetTableFields($strTableName);
foreach ($arColumns as $arColumn)
{
$column = $arColumn["NAME"];
$type = $arColumn["TYPE"];
global $$column;
$var = $strPrefix . $column . $strSuffix;
global $$var;
switch ($type)
{
case "int":
$$var = intval($$column);
break;
case "real":
$$var = doubleval($$column);
break;
default:
$$var = $this->ForSql($$column);
}
}
}
public function PrepareInsert($strTableName, $arFields)
{
$strInsert1 = "";
$strInsert2 = "";
$arColumns = $this->GetTableFields($strTableName);
foreach ($arColumns as $strColumnName => $arColumnInfo)
{
$type = $arColumnInfo["TYPE"];
if (isset($arFields[$strColumnName]))
{
if ($strInsert1 != '')
{
$strInsert1 .= ', ';
$strInsert2 .= ', ';
}
$value = $arFields[$strColumnName];
$strInsert1 .= "`" . $strColumnName . "`";
if ($value === false)
{
$strInsert2 .= "NULL";
}
else
{
switch ($type)
{
case "datetime":
case "timestamp":
if ($value == '')
{
$strInsert2 .= "NULL";
}
else
{
$strInsert2 .= CDatabase::CharToDateFunction($value);
}
break;
case "date":
if ($value == '')
{
$strInsert2 .= "NULL";
}
else
{
$strInsert2 .= CDatabase::CharToDateFunction($value, "SHORT");
}
break;
case "int":
$strInsert2 .= "'" . intval($value) . "'";
break;
case "real":
$value = doubleval($value);
if (!is_finite($value))
{
$value = 0;
}
$strInsert2 .= "'" . $value . "'";
break;
default:
$strInsert2 .= "'" . $this->ForSql($value) . "'";
}
}
}
elseif (array_key_exists("~" . $strColumnName, $arFields))
{
if ($strInsert1 != '')
{
$strInsert1 .= ', ';
$strInsert2 .= ', ';
}
$strInsert1 .= "`" . $strColumnName . "`";
$strInsert2 .= $arFields["~" . $strColumnName];
}
}
return [$strInsert1, $strInsert2];
}
public function PrepareUpdate($strTableName, $arFields, $strFileDir = "", $lang = false, $strTableAlias = "")
{
$arBinds = [];
return $this->PrepareUpdateBind($strTableName, $arFields, $strFileDir, $lang, $arBinds, $strTableAlias);
}
public function PrepareUpdateBind($strTableName, $arFields, $strFileDir, $lang, &$arBinds, $strTableAlias = "")
{
$arBinds = [];
if ($strTableAlias != "")
{
$strTableAlias .= ".";
}
$strUpdate = "";
$arColumns = $this->GetTableFields($strTableName);
foreach ($arColumns as $strColumnName => $arColumnInfo)
{
$type = $arColumnInfo["TYPE"];
if (isset($arFields[$strColumnName]))
{
if ($strUpdate != '')
{
$strUpdate .= ', ';
}
$value = $arFields[$strColumnName];
if ($value === false)
{
$strUpdate .= $strTableAlias . "`" . $strColumnName . "` = NULL";
}
elseif ($value instanceof SqlExpression)
{
$strUpdate .= $strTableAlias . "`" . $strColumnName . "` = " . $value->compile();
}
else
{
switch ($type)
{
case "int":
$value = intval($value);
break;
case "real":
$value = doubleval($value);
if (!is_finite($value))
{
$value = 0;
}
break;
case "datetime":
case "timestamp":
if ($value == '')
{
$value = "NULL";
}
else
{
$value = CDatabase::CharToDateFunction($value, "FULL", $lang);
}
break;
case "date":
if ($value == '')
{
$value = "NULL";
}
else
{
$value = CDatabase::CharToDateFunction($value, "SHORT", $lang);
}
break;
default:
$value = "'" . $this->ForSql($value) . "'";
}
$strUpdate .= $strTableAlias . "`" . $strColumnName . "` = " . $value;
}
}
elseif (is_set($arFields, "~" . $strColumnName))
{
if ($strUpdate != '')
{
$strUpdate .= ', ';
}
$strUpdate .= $strTableAlias . "`" . $strColumnName . "` = " . $arFields["~" . $strColumnName];
}
}
return $strUpdate;
}
public function PrepareUpdateJoin($strTableName, $arFields, $from, $where)
{
$tables = $strTableName;
foreach ($from as $join)
{
$tables .= "\n INNER JOIN " . $join[0] . ' ON ' . $join[1];
}
$fields = '';
foreach ($arFields as $fieldName => $fieldValue)
{
$fields .= ($fields ? ",\n " : "") . $strTableName . '.' . $fieldName . '=' . $fieldValue;
}
$update = 'UPDATE ' . $tables . "\n"
. "SET\n " . $fields . "\n"
. ($where ? "\nWHERE" . $where : "");
return $update;
}
public function Insert($table, $arFields, $error_position = "", $DEBUG = false, $EXIST_ID = "", $ignore_errors = false)
{
if (!is_array($arFields))
{
return false;
}
$str1 = "";
$str2 = "";
foreach ($arFields as $field => $value)
{
$str1 .= ($str1 <> "" ? ", " : "") . $this->quote($field);
if ((string)$value == '')
{
$str2 .= ($str2 <> "" ? ", " : "") . "''";
}
else
{
$str2 .= ($str2 <> "" ? ", " : "") . $value;
}
}
if ($EXIST_ID <> '')
{
$strSql = "INSERT INTO " . $table . "(ID," . $str1 . ") VALUES ('" . $this->ForSql($EXIST_ID) . "'," . $str2 . ")";
}
else
{
$strSql = "INSERT INTO " . $table . "(" . $str1 . ") VALUES (" . $str2 . ")";
}
if ($DEBUG)
{
echo "<br>" . htmlspecialcharsEx($strSql) . "<br>";
}
$res = $this->Query($strSql, $ignore_errors, $error_position);
if ($res === false)
{
return false;
}
if ($EXIST_ID <> '')
{
return $EXIST_ID;
}
else
{
return $this->LastID();
}
}
public function Add($tablename, $arFields, $arCLOBFields = [], $strFileDir = "", $ignore_errors = false, $error_position = "", $arOptions = [])
{
global $DB;
if (!isset($this) || !is_object($this) || !isset($this->type))
{
return $DB->Add($tablename, $arFields, $arCLOBFields, $strFileDir, $ignore_errors, $error_position, $arOptions);
}
else
{
$arInsert = $this->PrepareInsert($tablename, $arFields, $strFileDir);
$strSql =
"INSERT INTO " . $tablename . "(" . $arInsert[0] . ") " .
"VALUES(" . $arInsert[1] . ")";
$this->Query($strSql, $ignore_errors, $error_position, $arOptions);
return $this->LastID();
}
}
public function LockTables($str)
{
register_shutdown_function([&$this, "UnLockTables"]);
$this->Query("LOCK TABLE " . $str, false, '', ["fixed_connection" => true]);
}
public function UnLockTables()
{
$this->Query("UNLOCK TABLES", true, '', ["fixed_connection" => true]);
}
public function ToChar($expr, $len = 0)
{
return $expr;
}
public function Instr($str, $toFind)
{
return "INSTR($str, $toFind)";
}
public function CreateIndex($indexName, $tableName, $columns, $unique = false, $fulltext = false)
{
foreach ($columns as $i => $columnName)
{
$columns[$i] = $this->quote($columnName);
}
if ($unique)
{
$indexType = 'UNIQUE';
}
elseif ($fulltext)
{
$indexType = 'FULLTEXT';
}
else
{
$indexType = '';
}
return $this->Query('CREATE ' . $indexType . ' INDEX ' . $this->quote($indexName) . ' ON ' . $this->quote($tableName) . '(' . implode(',', $columns) . ')', true);
}
protected function ConnectInternal()
{
$dbHost = $this->DBHost;
$dbPort = null;
if (($pos = mb_strpos($dbHost, ":")) !== false)
{
$dbPort = intval(mb_substr($dbHost, $pos + 1));
$dbHost = mb_substr($dbHost, 0, $pos);
}
$persistentPrefix = (DBPersistent && !$this->bNodeConnection ? "p:" : "");
$this->db_Conn = mysqli_connect($persistentPrefix . $dbHost, $this->DBLogin, $this->DBPassword, $this->DBName, $dbPort);
if (!$this->db_Conn)
{
$error = "[" . mysqli_connect_errno() . "] " . mysqli_connect_error();
if ($this->debug)
{
echo "<br><font color=#ff0000>Error! mysqli_connect()</font><br>" . $error . "<br>";
}
SendError("Error! mysqli_connect()\n" . $error . "\n");
return false;
}
return true;
}
protected function QueryInternal($strSql)
{
// back to default before PHP 8.1
mysqli_report(MYSQLI_REPORT_OFF);
return mysqli_query($this->db_Conn, $strSql, MYSQLI_STORE_RESULT);
}
protected function GetError()
{
return "[" . mysqli_errno($this->db_Conn) . "] " . mysqli_error($this->db_Conn);
}
/**
* @deprecated Not used.
*/
protected function DisconnectInternal($resource)
{
mysqli_close($resource);
}
public function ForSqlLike($strValue, $iMaxLength = 0)
{
if ($iMaxLength > 0)
{
$strValue = mb_substr($strValue ?? '', 0, $iMaxLength);
}
$this->DoConnect();
return mysqli_real_escape_string($this->db_Conn, str_replace("\\", "\\\\", $strValue ?? ''));
}
public function GetTableFields($table)
{
if (!isset($this->column_cache[$table]))
{
$this->column_cache[$table] = [];
$this->DoConnect();
$dbResult = $this->query("SELECT * FROM " . $this->quote($table) . " LIMIT 0");
$resultFields = mysqli_fetch_fields($dbResult->result);
foreach ($resultFields as $field)
{
switch ($field->type)
{
case MYSQLI_TYPE_TINY:
case MYSQLI_TYPE_SHORT:
case MYSQLI_TYPE_LONG:
case MYSQLI_TYPE_INT24:
case MYSQLI_TYPE_CHAR:
$type = "int";
break;
case MYSQLI_TYPE_DECIMAL:
case MYSQLI_TYPE_NEWDECIMAL:
case MYSQLI_TYPE_FLOAT:
case MYSQLI_TYPE_DOUBLE:
$type = "real";
break;
case MYSQLI_TYPE_DATETIME:
case MYSQLI_TYPE_TIMESTAMP:
$type = "datetime";
break;
case MYSQLI_TYPE_DATE:
case MYSQLI_TYPE_NEWDATE:
$type = "date";
break;
default:
$type = "string";
break;
}
$this->column_cache[$table][$field->name] = [
"NAME" => $field->name,
"TYPE" => $type,
];
}
}
return $this->column_cache[$table];
}
protected function getThreadId()
{
return mysqli_thread_id($this->db_Conn);
}
}
class CDatabase extends CDatabaseMysql
{
}