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<?php |
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/* |
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* This file is part of Yolk - Gamer Network's PHP Framework. |
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* |
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* Copyright (c) 2015 Gamer Network Ltd. |
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* |
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* Distributed under the MIT License, a copy of which is available in the |
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* LICENSE file that was bundled with this package, or online at: |
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* https://github.com/gamernetwork/yolk-database |
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*/ |
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namespace yolk\database\query; |
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use yolk\contracts\database\DatabaseConnection; |
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/** |
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* Generic. |
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*/ |
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class Select extends BaseQuery { |
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protected $cols; |
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protected $distinct; |
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protected $from; |
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protected $group; |
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protected $having; |
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public function __construct( DatabaseConnection $db ) { |
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parent::__construct($db); |
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$this->cols = []; |
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$this->distinct = false; |
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$this->from = ''; |
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$this->group = []; |
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$this->having = []; |
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} |
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public function cols( $columns = ['*'] ) { |
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// default to everything |
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if( !$columns ) |
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$columns = ['*']; |
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// if we don't have an array of columns then they were specified as individual arguments |
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elseif( !is_array($columns) ) |
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$columns = func_get_args(); |
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// $columns = [ |
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// 'column', |
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// ['column', 'alias'], |
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// 'id', |
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// ['related_id', 'related'], |
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// ]; |
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$this->cols = $columns; |
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return $this; |
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} |
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// use raw columns statement |
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public function colsRaw( $sql ) { |
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$this->cols = $sql; |
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return $this; |
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} |
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public function distinct( $distinct = true ) { |
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$this->distinct = (bool) $distinct; |
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return $this; |
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} |
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public function from( $table ) { |
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$this->from = $this->quoteIdentifier($table); |
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return $this; |
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} |
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public function fromRaw( $sql ) { |
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$this->from = $sql; |
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return $this; |
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} |
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public function groupBy( $columns ) { |
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if( !is_array($columns) ) |
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$columns = [$columns]; |
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foreach( $columns as $column ) { |
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$this->group[] = $this->quoteIdentifier($column); |
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} |
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return $this; |
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} |
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public function having( $having ) { |
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$this->having = [$having]; |
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} |
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public function __call( $method, $args ) { |
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if( !in_array($method, ['getOne', 'getCol', 'getRow', 'getAssoc', 'getAll']) ) |
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throw new \BadMethodCallException("Unknown Method: {$method}"); |
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return $this->db->$method( |
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$this->__toString(), |
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$this->params |
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); |
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} |
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public function compile() { |
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$cols = $this->cols; |
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if( is_array($cols) ) |
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$cols = $this->compileCols($cols); |
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return array_merge( |
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[ |
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($this->distinct ? 'SELECT DISTINCT' : 'SELECT'). ' '. $cols, |
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'FROM '. $this->from, |
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], |
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$this->compileJoins(), |
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$this->compileWhere(), |
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$this->compileGroupBy(), |
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$this->having, |
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$this->compileOrderBy(), |
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$this->compileOffsetLimit() |
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); |
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} |
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protected function compileCols( array $cols ) { |
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foreach( $cols as &$col ) { |
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// if column is an array is should have two elements |
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// the first being the column name, the second being the alias |
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if( is_array($col) ) { |
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list($column, $alias) = $col; |
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$col = sprintf( |
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'%s AS %s', |
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$this->quoteIdentifier($column), |
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$this->db->quoteIdentifier($alias) |
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); |
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} |
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else { |
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$col = $this->quoteIdentifier($col); |
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} |
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} |
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return implode(', ', $cols); |
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} |
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protected function compileGroupBy() { |
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$sql = []; |
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if( $this->group ) |
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$sql[] = 'GROUP BY '. implode(', ', $this->group); |
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return $sql; |
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} |
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} |
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// EOF |
gamernetwork /
yolk-database
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.