61 lines
1.6 KiB
PHP
61 lines
1.6 KiB
PHP
<?php
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namespace SilverStripe\ORM\Connect;
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use SilverStripe\Dev\Deprecation;
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/**
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* A result-set from a PDO database.
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*
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* @deprecated 4.13.0 Will be removed without equivalent functionality to replace it
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*/
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class PDOQuery extends Query
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{
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/**
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* @var array
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*/
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protected $results = null;
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/**
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* Hook the result-set given into a Query class, suitable for use by SilverStripe.
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* @param PDOStatement $statement The internal PDOStatement containing the results
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*/
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public function __construct(PDOStatementHandle $statement)
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{
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Deprecation::withNoReplacement(function () {
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Deprecation::notice(
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'4.13.0',
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'Will be removed without equivalent functionality to replace it',
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Deprecation::SCOPE_CLASS
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);
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});
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// Since no more than one PDOStatement for any one connection can be safely
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// traversed, each statement simply requests all rows at once for safety.
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// This could be re-engineered to call fetchAll on an as-needed basis
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$this->results = $statement->typeCorrectedFetchAll();
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$statement->closeCursor();
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}
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public function seek($row)
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{
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$this->rowNum = $row - 1;
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return $this->nextRecord();
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}
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public function numRecords()
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{
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return count($this->results ?? []);
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}
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public function nextRecord()
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{
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$index = $this->rowNum + 1;
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if (isset($this->results[$index])) {
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return $this->results[$index];
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} else {
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return false;
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}
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}
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}
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