155 lines
3.3 KiB
PHP
155 lines
3.3 KiB
PHP
<?php
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/**
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* Library for extracting information about the sub-partitions
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Partitioning;
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/**
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* Represents a sub partition of a table
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*/
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class SubPartition
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{
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/** @var string the database */
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protected $db;
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/** @var string the table */
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protected $table;
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/** @var string partition name */
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protected $name;
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/** @var int ordinal */
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protected $ordinal;
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/** @var string partition method */
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protected $method;
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/** @var string partition expression */
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protected $expression;
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/** @var int no of table rows in the partition */
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protected $rows;
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/** @var int data length */
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protected $dataLength;
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/** @var int index length */
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protected $indexLength;
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/** @var string partition comment */
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protected $comment;
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/**
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* Constructs a partition
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*
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* @param array $row fetched row from information_schema.PARTITIONS
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*/
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public function __construct(array $row)
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{
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$this->db = $row['TABLE_SCHEMA'];
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$this->table = $row['TABLE_NAME'];
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$this->loadData($row);
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}
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/**
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* Loads data from the fetched row from information_schema.PARTITIONS
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*
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* @param array $row fetched row
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*/
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protected function loadData(array $row): void
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{
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$this->name = $row['SUBPARTITION_NAME'];
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$this->ordinal = $row['SUBPARTITION_ORDINAL_POSITION'];
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$this->method = $row['SUBPARTITION_METHOD'];
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$this->expression = $row['SUBPARTITION_EXPRESSION'];
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$this->loadCommonData($row);
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}
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/**
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* Loads some data that is common to both partitions and sub partitions
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*
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* @param array $row fetched row
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*/
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protected function loadCommonData(array $row): void
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{
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$this->rows = $row['TABLE_ROWS'];
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$this->dataLength = $row['DATA_LENGTH'];
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$this->indexLength = $row['INDEX_LENGTH'];
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$this->comment = $row['PARTITION_COMMENT'];
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}
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/**
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* Return the partition name
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*
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* @return string partition name
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* Return the ordinal of the partition
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*
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* @return int the ordinal
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*/
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public function getOrdinal()
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{
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return $this->ordinal;
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}
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/**
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* Returns the partition method
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*
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* @return string partition method
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*/
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public function getMethod()
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{
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return $this->method;
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}
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/**
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* Returns the partition expression
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*
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* @return string partition expression
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*/
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public function getExpression()
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{
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return $this->expression;
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}
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/**
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* Returns the number of data rows
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*
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* @return int number of rows
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*/
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public function getRows()
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{
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return $this->rows;
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}
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/**
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* Returns the data length
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*
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* @return int data length
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*/
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public function getDataLength()
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{
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return $this->dataLength;
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}
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/**
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* Returns the index length
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*
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* @return int index length
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*/
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public function getIndexLength()
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{
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return $this->indexLength;
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}
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/**
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* Returns the partition comment
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*
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* @return string partition comment
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*/
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public function getComment()
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{
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return $this->comment;
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}
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}
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