ScanQuery::__construct() - Code Metrics - Inspection of "Adding support for virtual columns in scan queries..." - level23/druid-client - Measure and Improve Code Quality continuously with Scrutinizer

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by Teye

created 2022-05-30 11:25 UTC

ScanQuery::__construct() A

↳ Parent: ScanQuery

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	2
c	1
b	0
f	0
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
cc	1
nc	1
nop	2
crap	1

<?php
declare(strict_types=1);

namespace Level23\Druid\Queries;

use Level23\Druid\Context\QueryContext;
use Level23\Druid\Types\OrderByDirection;
use Level23\Druid\Filters\FilterInterface;
use Level23\Druid\Types\ScanQueryResultFormat;
use Level23\Druid\Responses\ScanQueryResponse;
use Level23\Druid\Collections\IntervalCollection;
use Level23\Druid\Collections\VirtualColumnCollection;

/**
 * Class ScanQuery
 *
 * @see     https://druid.apache.org/docs/latest/querying/scan-query.html
 * @package Level23\Druid\Queries
 */
class ScanQuery implements QueryInterface
{
    /**
     * @var string
     */
    protected $dataSource;

    /**
     * @var \Level23\Druid\Collections\IntervalCollection
     */
    protected $intervals;

    /**
     * @var string
     */
    protected $resultFormat = ScanQueryResultFormat::NORMAL_LIST;

    /**
     * How many rows buffered before return to client. Default is 20480
     *
     * @var int
     */
    protected $batchSize;

    /**
     * Return results consistent with the legacy "scan-query" contrib extension. Defaults to the value set by
     * druid.query.scan.legacy, which in turn defaults to false. See Legacy mode for details.
     *
     * @var bool
     */
    protected $legacy;

    /**
     * The ordering of returned rows based on timestamp. "ascending", "descending" are supported. When not supplied,
     * "none" is used. Currently, "ascending" and "descending" are only supported for queries where the __time column
     * is included in the columns field and the requirements outlined in the time ordering section are met.
     *
     * @var string
     */
    protected $order;

    /**
     * How many rows to return. If not specified, all rows will be returned.
     *
     * @var int
     */
    protected $limit;

    /**
     * Skip this many rows when returning results.
     *
     * @var int
     */
    protected $offset;

    /**
     * @var \Level23\Druid\Context\QueryContext|null
     */
    protected $context;

    /**
     * @var \Level23\Druid\Filters\FilterInterface|null
     */
    protected $filter;

    /**
     * A String array of dimensions and metrics to scan. If left empty, all dimensions and metrics are returned.
     *
     * @var array|string[]
     */
    protected $columns = [];

    /**
     * @var \Level23\Druid\Collections\VirtualColumnCollection|null
     */
    protected $virtualColumns;

    public function __construct(string $dataSource, IntervalCollection $intervals)
    {
        $this->dataSource = $dataSource;
        $this->intervals  = $intervals;
    }

    /**
     * Return the query in array format so we can fire it to druid.
     *
     * @return array
     */
    public function toArray(): array
    {
        $result = [
            'queryType'    => 'scan',
            'dataSource'   => $this->dataSource,
            'intervals'    => $this->intervals->toArray(),
            'resultFormat' => $this->resultFormat,
            'columns'      => $this->columns,
        ];

        if ($this->virtualColumns) {
            $result['virtualColumns'] = $this->virtualColumns->toArray();
        }

        if ($this->filter) {
            $result['filter'] = $this->filter->toArray();
        }

        if ($this->batchSize !== null) {
            $result['batchSize'] = $this->batchSize;
        }

        if ($this->limit !== null) {
            $result['limit'] = $this->limit;
        }

        if ($this->offset !== null) {
            $result['offset'] = $this->offset;
        }

        if ($this->legacy !== null) {
            $result['legacy'] = $this->legacy;
        }

        if ($this->context) {
            $result['context'] = $this->context->toArray();
        }

        if ($this->order) {
            $result['order'] = $this->order;
        }

        return $result;
    }

    /**
     * Parse the response into something we can return to the user.
     *
     * @param array $response
     *
     * @return ScanQueryResponse
     */
    public function parseResponse(array $response): ScanQueryResponse
    {
        return new ScanQueryResponse($response);
    }

    /**
     * How the results are represented. Use one of the ScanQueryResultFormat constants
     *
     * @param string $resultFormat
     */
    public function setResultFormat(string $resultFormat): void
    {
        $this->resultFormat = ScanQueryResultFormat::validate($resultFormat);
    }

    /**
     * How many rows buffered before return to client. Default is 20480
     *
     * @param int $batchSize
     */
    public function setBatchSize(int $batchSize): void
    {
        $this->batchSize = $batchSize;
    }

    /**
     * How many rows to return. If not specified, all rows will be returned.
     *
     * @param int $limit
     */
    public function setLimit(int $limit): void
    {
        $this->limit = $limit;
    }

    /**
     * Skip this many rows when returning results. Skipped rows will still need to be generated internally and then
     * discarded, meaning that raising offsets to high values can cause queries to use additional resources.
     *
     * Together, "limit" and "offset" can be used to implement pagination. However, note that if the underlying
     * datasource is modified in between page fetches in ways that affect overall query results, then the
     * different pages will not necessarily align with each other.
     *
     * @param int $offset
     */
    public function setOffset(int $offset): void
    {
        $this->offset = $offset;
    }

    /**
     * @param bool $legacy
     */
    public function setLegacy(bool $legacy): void
    {
        $this->legacy = $legacy;
    }

    /**
     * @param \Level23\Druid\Context\QueryContext $context
     */
    public function setContext(QueryContext $context): void
    {
        $this->context = $context;
    }

    /**
     * @param \Level23\Druid\Collections\VirtualColumnCollection $virtualColumns
     */
    public function setVirtualColumns(VirtualColumnCollection $virtualColumns): void
    {
        $this->virtualColumns = $virtualColumns;
    }

    /**
     * @param \Level23\Druid\Filters\FilterInterface $filter
     */
    public function setFilter(FilterInterface $filter): void
    {
        $this->filter = $filter;
    }

    /**
     * The ordering of returned rows based on timestamp. "ascending", "descending", and "none" (default) are supported.
     * Currently, "ascending" and "descending" are only supported for queries where the __time column is included in
     * the columns field and the requirements outlined in the time ordering section are met.
     *
     * @param string $order
     */
    public function setOrder(string $order): void
    {
        $this->order = OrderByDirection::validate($order);
    }

    /**
     * A String array of dimensions and metrics to scan. If left empty, all dimensions and metrics are returned.
     *
     * @param array|string[] $columns
     */
    public function setColumns(array $columns): void
    {
        $this->columns = $columns;
    }
}


1		<?php
2		declare(strict_types=1);
3
4		namespace Level23\Druid\Queries;
5
6		use Level23\Druid\Context\QueryContext;
7		use Level23\Druid\Types\OrderByDirection;
8		use Level23\Druid\Filters\FilterInterface;
9		use Level23\Druid\Types\ScanQueryResultFormat;
10		use Level23\Druid\Responses\ScanQueryResponse;
11		use Level23\Druid\Collections\IntervalCollection;
12		use Level23\Druid\Collections\VirtualColumnCollection;
13
14		/**
15		* Class ScanQuery
16		*
17		* @see https://druid.apache.org/docs/latest/querying/scan-query.html
18		* @package Level23\Druid\Queries
19		*/
20		class ScanQuery implements QueryInterface
21		{
22		/**
23		* @var string
24		*/
25		protected $dataSource;
26
27		/**
28		* @var \Level23\Druid\Collections\IntervalCollection
29		*/
30		protected $intervals;
31
32		/**
33		* @var string
34		*/
35		protected $resultFormat = ScanQueryResultFormat::NORMAL_LIST;
36
37		/**
38		* How many rows buffered before return to client. Default is 20480
39		*
40		* @var int
41		*/
42		protected $batchSize;
43
44		/**
45		* Return results consistent with the legacy "scan-query" contrib extension. Defaults to the value set by
46		* druid.query.scan.legacy, which in turn defaults to false. See Legacy mode for details.
47		*
48		* @var bool
49		*/
50		protected $legacy;
51
52		/**
53		* The ordering of returned rows based on timestamp. "ascending", "descending" are supported. When not supplied,
54		* "none" is used. Currently, "ascending" and "descending" are only supported for queries where the __time column
55		* is included in the columns field and the requirements outlined in the time ordering section are met.
56		*
57		* @var string
58		*/
59		protected $order;
60
61		/**
62		* How many rows to return. If not specified, all rows will be returned.
63		*
64		* @var int
65		*/
66		protected $limit;
67
68		/**
69		* Skip this many rows when returning results.
70		*
71		* @var int
72		*/
73		protected $offset;
74
75		/**
76		* @var \Level23\Druid\Context\QueryContext\|null
77		*/
78		protected $context;
79
80		/**
81		* @var \Level23\Druid\Filters\FilterInterface\|null
82		*/
83		protected $filter;
84
85		/**
86		* A String array of dimensions and metrics to scan. If left empty, all dimensions and metrics are returned.
87		*
88		* @var array\|string[]
89		*/
90		protected $columns = [];
91
92		/**
93		* @var \Level23\Druid\Collections\VirtualColumnCollection\|null
94		*/
95		protected $virtualColumns;
96
97	7	public function __construct(string $dataSource, IntervalCollection $intervals)
98		{
99	7	$this->dataSource = $dataSource;
100	7	$this->intervals = $intervals;
101		}
102
103		/**
104		* Return the query in array format so we can fire it to druid.
105		*
106		* @return array
107		*/
108	3	public function toArray(): array
109		{
110	3	$result = [
111		'queryType' => 'scan',
112	3	'dataSource' => $this->dataSource,
113	3	'intervals' => $this->intervals->toArray(),
114	3	'resultFormat' => $this->resultFormat,
115	3	'columns' => $this->columns,
116		];
117
118	3	if ($this->virtualColumns) {
119	2	$result['virtualColumns'] = $this->virtualColumns->toArray();
120		}
121
122	3	if ($this->filter) {
123	3	$result['filter'] = $this->filter->toArray();
124		}
125
126	3	if ($this->batchSize !== null) {
127	2	$result['batchSize'] = $this->batchSize;
128		}
129
130	3	if ($this->limit !== null) {
131	2	$result['limit'] = $this->limit;
132		}
133
134	3	if ($this->offset !== null) {
135	2	$result['offset'] = $this->offset;
136		}
137
138	3	if ($this->legacy !== null) {
139	3	$result['legacy'] = $this->legacy;
140		}
141
142	3	if ($this->context) {
143	2	$result['context'] = $this->context->toArray();
144		}
145
146	3	if ($this->order) {
147	2	$result['order'] = $this->order;
148		}
149
150	3	return $result;
151		}
152
153		/**
154		* Parse the response into something we can return to the user.
155		*
156		* @param array $response
157		*
158		* @return ScanQueryResponse
159		*/
160	2	public function parseResponse(array $response): ScanQueryResponse
161		{
162	2	return new ScanQueryResponse($response);
163		}
164
165		/**
166		* How the results are represented. Use one of the ScanQueryResultFormat constants
167		*
168		* @param string $resultFormat
169		*/
170	4	public function setResultFormat(string $resultFormat): void
171		{
172	4	$this->resultFormat = ScanQueryResultFormat::validate($resultFormat);
173		}
174
175		/**
176		* How many rows buffered before return to client. Default is 20480
177		*
178		* @param int $batchSize
179		*/
180	2	public function setBatchSize(int $batchSize): void
181		{
182	2	$this->batchSize = $batchSize;
183		}
184
185		/**
186		* How many rows to return. If not specified, all rows will be returned.
187		*
188		* @param int $limit
189		*/
190	2	public function setLimit(int $limit): void
191		{
192	2	$this->limit = $limit;
193		}
194
195		/**
196		* Skip this many rows when returning results. Skipped rows will still need to be generated internally and then
197		* discarded, meaning that raising offsets to high values can cause queries to use additional resources.
198		*
199		* Together, "limit" and "offset" can be used to implement pagination. However, note that if the underlying
200		* datasource is modified in between page fetches in ways that affect overall query results, then the
201		* different pages will not necessarily align with each other.
202		*
203		* @param int $offset
204		*/
205	2	public function setOffset(int $offset): void
206		{
207	2	$this->offset = $offset;
208		}
209
210		/**
211		* @param bool $legacy
212		*/
213	3	public function setLegacy(bool $legacy): void
214		{
215	3	$this->legacy = $legacy;
216		}
217
218		/**
219		* @param \Level23\Druid\Context\QueryContext $context
220		*/
221	2	public function setContext(QueryContext $context): void
222		{
223	2	$this->context = $context;
224		}
225
226		/**
227		* @param \Level23\Druid\Collections\VirtualColumnCollection $virtualColumns
228		*/
229	2	public function setVirtualColumns(VirtualColumnCollection $virtualColumns): void
230		{
231	2	$this->virtualColumns = $virtualColumns;
232		}
233
234		/**
235		* @param \Level23\Druid\Filters\FilterInterface $filter
236		*/
237	3	public function setFilter(FilterInterface $filter): void
238		{
239	3	$this->filter = $filter;
240		}
241
242		/**
243		* The ordering of returned rows based on timestamp. "ascending", "descending", and "none" (default) are supported.
244		* Currently, "ascending" and "descending" are only supported for queries where the __time column is included in
245		* the columns field and the requirements outlined in the time ordering section are met.
246		*
247		* @param string $order
248		*/
249	2	public function setOrder(string $order): void
250		{
251	2	$this->order = OrderByDirection::validate($order);
252		}
253
254		/**
255		* A String array of dimensions and metrics to scan. If left empty, all dimensions and metrics are returned.
256		*
257		* @param array\|string[] $columns
258		*/
259	2	public function setColumns(array $columns): void
260		{
261	2	$this->columns = $columns;
262		}
263		}
264

level23 / druid-client

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ScanQuery::__construct() A

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