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File: Sql_Compiler/Sql_CompilerUnion.class.php

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  Classes of Tom Schaefer  >  SQL Parse and Compile  >  Sql_Compiler/Sql_CompilerUnion.class.php  >  Download  
File: Sql_Compiler/Sql_CompilerUnion.class.php
Role: Class source
Content type: text/plain
Description: compile union statement
Class: SQL Parse and Compile
Parse and compose SQL queries programatically
Author: By
Last change:
Date: 6 years ago
Size: 918 bytes
 

Contents

Class file image Download
<?php

/**
 *
 * Sql_CompilerUnion
 * @package Sql
 * @subpackage Sql_Parser
 * @author Thomas Schäfer
 * @since 12.12.2008
 * @desc compile a sql Union object into string
 */
/**
 *
 * Sql_CompilerUnion
 * @package Sql
 * @subpackage Sql_Parser
 * @author Thomas Schäfer
 * @since 12.12.2008
 * @desc compile a sql Union object into string
 */

class Sql_CompilerUnion implements Sql_InterfaceCompiler 
{

    public static function 
doCompile() 
    {
        
$tree Sql_Object::get("tree");
        
$array = array();
        foreach(
Sql_Object::get("tree.Union") as $index => $statement) {
            
$compose = new Sql_Compiler();
            
$array[] = $compose->compile($statement);
        }
        return 
implode(Sql_Compiler::LINEBREAK strtoupper($tree["Command"]). Sql_Compiler::LINEBREAK$array);
        
    }
    
    public static function 
compile($tree)
    {
        
Sql_Object::set("tree"$tree);
        return 
self::doCompile();
    }

}