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Push — master ( bd03b7...2e6f46 )
by Ondřej
03:14
created

LimitedRelationRecipe::toSql()   A

↳ Parent: LimitedRelationRecipe

Complexity

Conditions 3
Paths 1

Size

Total Lines 10
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 10
c 0
b 0
f 0
rs 9.4285
cc 3
eloc 7
nc 1
nop 1
1 
<?php
2 
namespace Ivory\Query;
3 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Ivory\Type\ITypeDictionary;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class LimitedRelationRecipe extends RelationRecipe implements IRelationRecipe

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $relRecipe;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $limit;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $offset;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * LimitedRelationRecipe constructor.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param IRelationRecipe $relRecipe recipe for relation to limit

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param int|null $limit maximal number of rows to return; <tt>null</tt> for unlimited number of rows

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param int $offset a non-negative offset - the number of original rows to skip

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(IRelationRecipe $relRecipe, $limit, int $offset = 0)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        if ($offset < 0) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            throw new \InvalidArgumentException('$offset is negative');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->relRecipe = $relRecipe;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->limit = ($limit !== null ? (int)$limit : null); // PHP 7.1: declare the type as ?int

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->offset = $offset;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function toSql(ITypeDictionary $typeDictionary) : string

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        $relSql = $this->relRecipe->toSql($typeDictionary);

            


            
                                                        
            
                                    
            
            

                
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        return sprintf(

            


            
                                                        
            
                                    
            
            

                
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            "SELECT *\nFROM (\n%s\n) t%s%s",

            


            
                                                        
            
                                    
            
            

                
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            $relSql,

            


            
                                                        
            
                                    
            
            

                
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            ($this->limit !== null ? "\nLIMIT {$this->limit}" : ''),

            


            
                                                        
            
                                    
            
            

                
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            ($this->offset ? "\nOFFSET {$this->offset}" : '')

            


            
                                                        
            
                                    
            
            

                
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        );

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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