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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Dami\Migration\Api;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Database\Column\DateTimeColumn;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Database\Column\TextColumn;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Database\Constraint\ForeignKey;  | 
            
                            
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                use Rentgen\Database\Constraint\Unique;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Database\Index;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Database\Schema;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Database\Table;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Rentgen\Schema\Manipulation;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class TableApi extends Table  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $alterTable = false;  | 
            
                            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string       $table        Table name.  | 
            
                            
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                     * @param Schema       $schema  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param Manipulation $manipulation  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array        $actions  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct($name, Schema $schema = null, Manipulation $manipulation, &$actions)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::__construct($name, $schema);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->manipulation = $manipulation;  | 
            
                            
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                        $this->actions = &$actions;  | 
            
                            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $method A method name.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array  $params Parameters.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __call($method, $params)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($method === 'addTimestamps') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->columns[] = new DateTimeColumn('created_at', array('not_null' => true)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->columns[] = new DateTimeColumn('updated_at', array('not_null' => true)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } elseif ($method === 'addUserstamps') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->columns[] = new IntegerColumn('created_by', array('not_null' => true, 'default' => 0)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->columns[] = new IntegerColumn('updated_by', array('not_null' => true, 'default' => 0)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->columns[] = (new ColumnFactory($method, $params))->createInstance();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Drop a column.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $name Column name.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function dropColumn($name)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $column = new TextColumn($name);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $column->setTable($this);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->actions[] =  function () use ($column) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             return $this->manipulation->drop($column);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add a foreign key.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $referenceTable   Referenced table name.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $referenceColumns Columns of referenced table.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array  $options          Optional options.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function addForeignKey($referenceTable, $referenceColumns, array $options = [])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $schema = isset($options['schema']) ? new Schema($options['schema']) : null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $foreignKey = new ForeignKey($this, new Table($referenceTable, $schema));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $foreignKey->setReferencedColumns($referenceColumns);  | 
            
                            
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                        if (isset($options['column'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $foreignKey->setColumns($options['column']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $foreignKey->setColumns($referenceColumns);  | 
            
                            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($options['update'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $foreignKey->setUpdateAction($options['update']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (isset($options['delete'])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $foreignKey->setDeleteAction($options['delete']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->actions[] =  function () use ($foreignKey) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             return $this->manipulation->create($foreignKey);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Drop a foreign key.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $referenceTable   Referenced table name.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $referenceColumns Columns of referenced table.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array  $options          Optional options.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function dropForeignKey($referenceTable, $referenceColumns, array $options = [])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $schema = isset($options['schema']) ? new Schema($options['schema']) : null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $foreignKey = new ForeignKey($this, new Table($referenceTable, $schema));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $foreignKey->setColumns($referenceColumns);  | 
            
                            
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                        $foreignKey->setReferencedColumns($referenceColumns);  | 
            
                            
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                        $this->actions[] =  function () use ($foreignKey) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             return $this->manipulation->drop($foreignKey);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add a unique constraint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $columns Unique columns.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                    public function addUnique($columns)  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $unique = new Unique($columns, $this);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->actions[] =  function () use ($unique) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             return $this->manipulation->create($unique);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Drop a unique constraint.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $columns Unique columns.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                    public function dropUnique($columns)  | 
            
                            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $unique = new Unique($columns, $this);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->actions[] =  function () use ($unique) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                             return $this->manipulation->drop($unique);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        };  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        return $this;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Add a index on columns.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $columns Index columns.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                    public function addIndex($columns)  | 
            
                            
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                | 
                    175
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
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                        $index = new Index($columns, $this);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->actions[] =  function () use ($index) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             return $this->manipulation->create($index);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
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                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    181
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                    182
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                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    185
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                     * Drop a index on columns.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                     * @param array $columns Index columns.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                     * @return TableApi Self.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public function dropIndex($columns)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                        $index = new Index($columns, $this);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
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                        $this->actions[] =  function () use ($index) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                             return $this->manipulation->drop($index);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                        };  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    199
                 | 
                                    
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                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                        return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
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Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: