PHP Classes

File: samples/function.php

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  Classes of Tom Schaefer   SQL Parse and Compile   ???   Download  
File: samples/???
Role: Example script
Content type: text/plain
Description: example for composing function with alias from the scratch
Class: SQL Parse and Compile
Parse and compose SQL queries programatically
Author: By
Last change: enhance sample for working on condition
Date: 16 years ago
Size: 1,121 bytes
 

Contents

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<?php

$sql = 'SELECT MAX(article) AS article FROM shop';

include_once("config.inc.php");

$sqlObject = new Sql_Parser($sql);
$parsedSQL = $sqlObject->parse();

$sqlObject2 = new Sql_Compiler();

pdbg($parsedSQL, "orange", __LINE__,__FILE__,100);
pdbg($sqlObject2->compile($parsedSQL), "orange", __LINE__,__FILE__,100);


// from the scratch
$object = new Sql();
$object ->setCommand("select")
        ->addTableNames("shop")
        ->setFunction(
            Sql::functionHelper(
                array(
                    "max",
                    array(
                        array("Value"=>"article","Type"=>"ident")
                        ),
                    "article"
                    )
                )
        );

pdbg($object, "orange", __LINE__,__FILE__);
pdbg($object->compile(), "orange", __LINE__,__FILE__);


##########################################################
$sql = 'SELECT article, dealer, price FROM shop WHERE price=(SELECT MAX(price) FROM shop)';
$sqlObject = new Sql_Parser($sql);
$parsedSQL = $sqlObject->parse();
$sqlObject2 = new Sql_Compiler();

pdbg($parsedSQL, "lime", __LINE__,__FILE__,300);
pdbg($sqlObject2->compile($parsedSQL), "lime", __LINE__,__FILE__,100);