ColumnsTrait::getColumns()

Completed

Branch — feature/pre-split (4c50c1)

by Anton

created 2017-01-08 16:58 UTC

↳ Parent: ColumnsTrait

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<?php
/**
 * components
 *
 * @author    Wolfy-J
 */
namespace Spiral\ORM\Entities\Loaders\Traits;

use Spiral\Database\Builders\SelectQuery;

/**
 * Provides ability to add aliased columns into SelectQuery.
 */
trait ColumnsTrait
{
    /**
     * Set columns into SelectQuery.
     *
     * @param SelectQuery $query
     * @param bool        $minify    Minify column names (will work in case when query parsed in
     *                               FETCH_NUM mode).
     * @param string      $prefix    Prefix to be added for each column name.
     * @param bool        $overwrite When set to true existed columns will be removed.
     */
    protected function mountColumns(
        SelectQuery $query,
        bool $minify = false,
        string $prefix = '',
        bool $overwrite = false
    ) {
        //Column source alias
        $alias = $this->getAlias();

        $columns = $overwrite ? [] : $query->getColumns();
        foreach ($this->getColumns() as $name) {
            $column = $name;

            if ($minify) {
                //Let's use column number instead of full name
                $column = 'c' . count($columns);
            }

            $columns[] = "{$alias}.{$name} AS {$prefix}{$column}";
        }

        //Updating column set
        $query->columns($columns);
    }

    /**
     * Joined table alias.
     *
     * @return string
     */
    abstract protected function getAlias(): string;

    /**
     * list of columns to be loaded.
     *
     * @return array
     */
    abstract protected function getColumns(): array;
}

1			<?php
2			/**
3			* components
4			*
5			* @author Wolfy-J
6			*/
7			namespace Spiral\ORM\Entities\Loaders\Traits;
8
9			use Spiral\Database\Builders\SelectQuery;
10
11			/**
12			* Provides ability to add aliased columns into SelectQuery.
13			*/
14			trait ColumnsTrait
15			{
16			/**
17			* Set columns into SelectQuery.
18			*
19			* @param SelectQuery $query
20			* @param bool $minify Minify column names (will work in case when query parsed in
21			* FETCH_NUM mode).
22			* @param string $prefix Prefix to be added for each column name.
23			* @param bool $overwrite When set to true existed columns will be removed.
24			*/
25			protected function mountColumns(
26			SelectQuery $query,
27			bool $minify = false,
28			string $prefix = '',
29			bool $overwrite = false
30			) {
31			//Column source alias
32			$alias = $this->getAlias();
33
34			$columns = $overwrite ? [] : $query->getColumns();
35			foreach ($this->getColumns() as $name) {
36			$column = $name;
37
38			if ($minify) {
39			//Let's use column number instead of full name
40			$column = 'c' . count($columns);
41			}
42
43			$columns[] = "{$alias}.{$name} AS {$prefix}{$column}";
44			}
45
46			//Updating column set
47			$query->columns($columns);
48			}
49
50			/**
51			* Joined table alias.
52			*
53			* @return string
54			*/
55			abstract protected function getAlias(): string;
56
57			/**
58			* list of columns to be loaded.
59			*
60			* @return array
61			*/
62			abstract protected function getColumns(): array;
63			}

spiral / components

Branch — feature/pre-split (4c50c1)

ColumnsTrait::getColumns()

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