89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
<?php
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namespace SilverStripe\ORM\Connect;
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/**
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* A result-set from a MySQL database (using MySQLiConnector)
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* Note that this class is only used for the results of non-prepared statements
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*/
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class MySQLQuery extends Query
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{
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/**
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* The internal MySQL handle that points to the result set.
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* Select queries will have mysqli_result as a value.
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* Non-select queries will not
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*
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* @var mixed
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*/
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protected $handle;
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/**
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* Metadata about the columns of this query
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*/
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protected $columns;
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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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*
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* @param MySQLiConnector $database The database object that created this query.
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* @param mixed $handle the internal mysql handle that is points to the resultset.
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* Non-mysqli_result values could be given for non-select queries (e.g. true)
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*/
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public function __construct($database, $handle)
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{
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$this->handle = $handle;
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if (is_object($this->handle)) {
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$this->columns = $this->handle->fetch_fields();
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}
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}
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public function __destruct()
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{
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if (is_object($this->handle)) {
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$this->handle->free();
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}
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}
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public function seek($row)
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{
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if (is_object($this->handle)) {
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// Fix for https://github.com/silverstripe/silverstripe-framework/issues/9097 without breaking the seek() API
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$this->handle->data_seek($row);
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$result = $this->nextRecord();
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$this->handle->data_seek($row);
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return $result;
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}
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return null;
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}
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public function numRecords()
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{
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if (is_object($this->handle)) {
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return $this->handle->num_rows;
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}
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return null;
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}
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public function nextRecord()
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{
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$floatTypes = [MYSQLI_TYPE_FLOAT, MYSQLI_TYPE_DOUBLE, MYSQLI_TYPE_DECIMAL, MYSQLI_TYPE_NEWDECIMAL];
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if (is_object($this->handle) && ($row = $this->handle->fetch_array(MYSQLI_NUM))) {
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$data = [];
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foreach ($row as $i => $value) {
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if (!isset($this->columns[$i])) {
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throw new DatabaseException("Can't get metadata for column $i");
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}
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if (in_array($this->columns[$i]->type, $floatTypes)) {
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$value = (float)$value;
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}
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$data[$this->columns[$i]->name] = $value;
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}
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return $data;
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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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