444 lines
11 KiB
PHP
444 lines
11 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use function define;
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use function defined;
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use function property_exists;
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use const MYSQLI_BLOB_FLAG;
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use const MYSQLI_ENUM_FLAG;
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use const MYSQLI_MULTIPLE_KEY_FLAG;
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use const MYSQLI_NOT_NULL_FLAG;
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use const MYSQLI_PRI_KEY_FLAG;
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use const MYSQLI_SET_FLAG;
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use const MYSQLI_TYPE_BIT;
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use const MYSQLI_TYPE_BLOB;
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use const MYSQLI_TYPE_DATE;
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use const MYSQLI_TYPE_DATETIME;
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use const MYSQLI_TYPE_DECIMAL;
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use const MYSQLI_TYPE_DOUBLE;
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use const MYSQLI_TYPE_ENUM;
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use const MYSQLI_TYPE_FLOAT;
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use const MYSQLI_TYPE_GEOMETRY;
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use const MYSQLI_TYPE_INT24;
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use const MYSQLI_TYPE_JSON;
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use const MYSQLI_TYPE_LONG;
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use const MYSQLI_TYPE_LONG_BLOB;
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use const MYSQLI_TYPE_LONGLONG;
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use const MYSQLI_TYPE_MEDIUM_BLOB;
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use const MYSQLI_TYPE_NEWDATE;
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use const MYSQLI_TYPE_NEWDECIMAL;
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use const MYSQLI_TYPE_NULL;
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use const MYSQLI_TYPE_SET;
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use const MYSQLI_TYPE_SHORT;
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use const MYSQLI_TYPE_STRING;
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use const MYSQLI_TYPE_TIME;
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use const MYSQLI_TYPE_TIMESTAMP;
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use const MYSQLI_TYPE_TINY;
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use const MYSQLI_TYPE_TINY_BLOB;
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use const MYSQLI_TYPE_VAR_STRING;
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use const MYSQLI_TYPE_YEAR;
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use const MYSQLI_UNIQUE_KEY_FLAG;
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use const MYSQLI_UNSIGNED_FLAG;
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use const MYSQLI_ZEROFILL_FLAG;
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/**
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* Handles fields Metadata
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*
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* NOTE: Getters are not used in all implementations due to the important cost of getters calls
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*/
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final class FieldMetadata
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{
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public const TYPE_GEOMETRY = 1;
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public const TYPE_BIT = 2;
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public const TYPE_JSON = 3;
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public const TYPE_REAL = 4;
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public const TYPE_INT = 5;
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public const TYPE_BLOB = 6;
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public const TYPE_UNKNOWN = -1;
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public const TYPE_NULL = 7;
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public const TYPE_STRING = 8;
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public const TYPE_DATE = 9;
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public const TYPE_TIME = 10;
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public const TYPE_TIMESTAMP = 11;
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public const TYPE_DATETIME = 12;
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public const TYPE_YEAR = 13;
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/**
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* @var bool
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* @readonly
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*/
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public $isMultipleKey;
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/**
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* @var bool
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* @readonly
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*/
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public $isPrimaryKey;
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/**
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* @var bool
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* @readonly
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*/
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public $isUniqueKey;
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/**
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* @var bool
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* @readonly
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*/
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public $isNotNull;
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/**
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* @var bool
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* @readonly
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*/
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public $isUnsigned;
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/**
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* @var bool
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* @readonly
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*/
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public $isZerofill;
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/**
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* @var bool
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* @readonly
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*/
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public $isNumeric;
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/**
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* @var bool
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* @readonly
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*/
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public $isBlob;
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/**
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* @var bool
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* @readonly
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*/
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public $isBinary;
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/**
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* @var bool
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* @readonly
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*/
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public $isEnum;
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/**
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* @var bool
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* @readonly
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*/
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public $isSet;
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/** @var int|null */
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private $mappedType;
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/**
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* @var bool
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* @readonly
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*/
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public $isMappedTypeBit;
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/**
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* @var bool
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* @readonly
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*/
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public $isMappedTypeGeometry;
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/**
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* @var bool
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* @readonly
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*/
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public $isMappedTypeTimestamp;
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/**
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* The column name
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*
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* @var string
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*/
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public $name;
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/**
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* The original column name if an alias did exist
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*
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* @var string
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*/
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public $orgname;
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/**
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* The table name
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*
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* @var string
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*/
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public $table;
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/**
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* The original table name
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*
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* @var string
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*/
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public $orgtable;
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/**
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* The charset number
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*
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* @readonly
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* @var int
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*/
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public $charsetnr;
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/**
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* The number of decimals used (for integer fields)
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*
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* @readonly
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* @var int
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*/
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public $decimals;
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/**
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* The width of the field, as specified in the table definition.
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*
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* @readonly
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* @var int
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*/
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public $length;
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/**
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* A field only used by the Results class
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*
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* @var string
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*/
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public $internalMediaType;
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public function __construct(int $fieldType, int $fieldFlags, object $field)
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{
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$this->mappedType = $this->getTypeMap()[$fieldType] ?? null;
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$this->isMultipleKey = (bool) ($fieldFlags & MYSQLI_MULTIPLE_KEY_FLAG);
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$this->isPrimaryKey = (bool) ($fieldFlags & MYSQLI_PRI_KEY_FLAG);
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$this->isUniqueKey = (bool) ($fieldFlags & MYSQLI_UNIQUE_KEY_FLAG);
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$this->isNotNull = (bool) ($fieldFlags & MYSQLI_NOT_NULL_FLAG);
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$this->isUnsigned = (bool) ($fieldFlags & MYSQLI_UNSIGNED_FLAG);
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$this->isZerofill = (bool) ($fieldFlags & MYSQLI_ZEROFILL_FLAG);
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$this->isBlob = (bool) ($fieldFlags & MYSQLI_BLOB_FLAG);
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$this->isEnum = (bool) ($fieldFlags & MYSQLI_ENUM_FLAG);
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$this->isSet = (bool) ($fieldFlags & MYSQLI_SET_FLAG);
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// as flags 32768 can be NUM_FLAG or GROUP_FLAG
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// reference: https://www.php.net/manual/en/mysqli-result.fetch-fields.php
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// so check field type instead of flags
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$this->isNumeric = $this->isType(self::TYPE_INT) || $this->isType(self::TYPE_REAL);
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/*
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MYSQLI_PART_KEY_FLAG => 'part_key',
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MYSQLI_TIMESTAMP_FLAG => 'timestamp',
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MYSQLI_AUTO_INCREMENT_FLAG => 'auto_increment',
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*/
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$this->isMappedTypeBit = $this->isType(self::TYPE_BIT);
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$this->isMappedTypeGeometry = $this->isType(self::TYPE_GEOMETRY);
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$this->isMappedTypeTimestamp = $this->isType(self::TYPE_TIMESTAMP);
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$this->name = property_exists($field, 'name') ? $field->name : '';
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$this->orgname = property_exists($field, 'orgname') ? $field->orgname : '';
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$this->table = property_exists($field, 'table') ? $field->table : '';
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$this->orgtable = property_exists($field, 'orgtable') ? $field->orgtable : '';
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$this->charsetnr = property_exists($field, 'charsetnr') ? $field->charsetnr : -1;
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$this->decimals = property_exists($field, 'decimals') ? $field->decimals : 0;
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$this->length = property_exists($field, 'length') ? $field->length : 0;
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// 63 is the number for the MySQL charset "binary"
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$this->isBinary = (
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$fieldType === MYSQLI_TYPE_TINY_BLOB || $fieldType === MYSQLI_TYPE_BLOB
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|| $fieldType === MYSQLI_TYPE_MEDIUM_BLOB || $fieldType === MYSQLI_TYPE_LONG_BLOB
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|| $fieldType === MYSQLI_TYPE_VAR_STRING || $fieldType === MYSQLI_TYPE_STRING
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) && $this->charsetnr == 63;
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}
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/**
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* @see https://dev.mysql.com/doc/connectors/en/apis-php-mysqli.constants.html
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*/
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private function getTypeMap(): array
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{
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// Issue #16043 - client API mysqlnd seem not to have MYSQLI_TYPE_JSON defined
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if (! defined('MYSQLI_TYPE_JSON')) {
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define('MYSQLI_TYPE_JSON', 245);
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}
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// Build an associative array for a type look up
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$typeAr = [];
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$typeAr[MYSQLI_TYPE_DECIMAL] = self::TYPE_REAL;
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$typeAr[MYSQLI_TYPE_NEWDECIMAL] = self::TYPE_REAL;
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$typeAr[MYSQLI_TYPE_BIT] = self::TYPE_INT;
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$typeAr[MYSQLI_TYPE_TINY] = self::TYPE_INT;
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$typeAr[MYSQLI_TYPE_SHORT] = self::TYPE_INT;
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$typeAr[MYSQLI_TYPE_LONG] = self::TYPE_INT;
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$typeAr[MYSQLI_TYPE_FLOAT] = self::TYPE_REAL;
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$typeAr[MYSQLI_TYPE_DOUBLE] = self::TYPE_REAL;
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$typeAr[MYSQLI_TYPE_NULL] = self::TYPE_NULL;
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$typeAr[MYSQLI_TYPE_TIMESTAMP] = self::TYPE_TIMESTAMP;
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$typeAr[MYSQLI_TYPE_LONGLONG] = self::TYPE_INT;
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$typeAr[MYSQLI_TYPE_INT24] = self::TYPE_INT;
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$typeAr[MYSQLI_TYPE_DATE] = self::TYPE_DATE;
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$typeAr[MYSQLI_TYPE_TIME] = self::TYPE_TIME;
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$typeAr[MYSQLI_TYPE_DATETIME] = self::TYPE_DATETIME;
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$typeAr[MYSQLI_TYPE_YEAR] = self::TYPE_YEAR;
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$typeAr[MYSQLI_TYPE_NEWDATE] = self::TYPE_DATE;
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$typeAr[MYSQLI_TYPE_ENUM] = self::TYPE_UNKNOWN;
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$typeAr[MYSQLI_TYPE_SET] = self::TYPE_UNKNOWN;
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$typeAr[MYSQLI_TYPE_TINY_BLOB] = self::TYPE_BLOB;
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$typeAr[MYSQLI_TYPE_MEDIUM_BLOB] = self::TYPE_BLOB;
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$typeAr[MYSQLI_TYPE_LONG_BLOB] = self::TYPE_BLOB;
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$typeAr[MYSQLI_TYPE_BLOB] = self::TYPE_BLOB;
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$typeAr[MYSQLI_TYPE_VAR_STRING] = self::TYPE_STRING;
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$typeAr[MYSQLI_TYPE_STRING] = self::TYPE_STRING;
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// MySQL returns MYSQLI_TYPE_STRING for CHAR
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// and MYSQLI_TYPE_CHAR === MYSQLI_TYPE_TINY
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// so this would override TINYINT and mark all TINYINT as string
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// see https://github.com/phpmyadmin/phpmyadmin/issues/8569
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//$typeAr[MYSQLI_TYPE_CHAR] = self::TYPE_STRING;
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$typeAr[MYSQLI_TYPE_GEOMETRY] = self::TYPE_GEOMETRY;
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$typeAr[MYSQLI_TYPE_BIT] = self::TYPE_BIT;
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$typeAr[MYSQLI_TYPE_JSON] = self::TYPE_JSON;
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return $typeAr;
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}
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public function isNotNull(): bool
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{
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return $this->isNotNull;
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}
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public function isNumeric(): bool
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{
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return $this->isNumeric;
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}
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public function isBinary(): bool
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{
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return $this->isBinary;
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}
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public function isBlob(): bool
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{
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return $this->isBlob;
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}
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public function isPrimaryKey(): bool
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{
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return $this->isPrimaryKey;
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}
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public function isUniqueKey(): bool
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{
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return $this->isUniqueKey;
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}
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public function isMultipleKey(): bool
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{
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return $this->isMultipleKey;
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}
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public function isUnsigned(): bool
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{
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return $this->isUnsigned;
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}
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public function isZerofill(): bool
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{
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return $this->isZerofill;
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}
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public function isEnum(): bool
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{
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return $this->isEnum;
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}
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public function isSet(): bool
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{
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return $this->isSet;
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}
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/**
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* Checks that it is type DATE/TIME/DATETIME
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*/
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public function isDateTimeType(): bool
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{
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return $this->isType(self::TYPE_DATE)
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|| $this->isType(self::TYPE_TIME)
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|| $this->isType(self::TYPE_DATETIME);
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}
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/**
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* Checks that it contains time
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* A "DATE" field returns false for example
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*/
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public function isTimeType(): bool
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{
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return $this->isType(self::TYPE_TIME)
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|| $this->isType(self::TYPE_TIMESTAMP)
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|| $this->isType(self::TYPE_DATETIME);
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}
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/**
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* Get the mapped type as a string
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*
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* @return string Empty when nothing could be matched
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*/
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public function getMappedType(): string
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{
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$types = [
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self::TYPE_GEOMETRY => 'geometry',
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self::TYPE_BIT => 'bit',
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self::TYPE_JSON => 'json',
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self::TYPE_REAL => 'real',
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self::TYPE_INT => 'int',
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self::TYPE_BLOB => 'blob',
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self::TYPE_UNKNOWN => 'unknown',
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self::TYPE_NULL => 'null',
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self::TYPE_STRING => 'string',
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self::TYPE_DATE => 'date',
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self::TYPE_TIME => 'time',
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self::TYPE_TIMESTAMP => 'timestamp',
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self::TYPE_DATETIME => 'datetime',
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self::TYPE_YEAR => 'year',
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];
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return $types[$this->mappedType] ?? '';
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}
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/**
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* Check if it is the mapped type
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*
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* @phpstan-param self::TYPE_* $type
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*/
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public function isType(int $type): bool
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{
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return $this->mappedType === $type;
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}
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/**
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* Check if it is NOT the mapped type
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*
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* @phpstan-param self::TYPE_* $type
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*/
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public function isNotType(int $type): bool
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{
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return $this->mappedType !== $type;
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}
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}
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