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fixup of example in documentation #63

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Aug 29, 2016
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fixup of example in documentation #63

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18 changes: 13 additions & 5 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -42,14 +42,22 @@ echo SqlParser\Utils\Formatter::format($query, array('type' => 'html'));
### Parsing and building SQL query

```php
$parsed = new SqlParser\Parser($query);
require __DIR__."/vendor/autoload.php";

// you can now inspect or change query
var_dump($parser->statements[0]);
$query1 = "select * from a";
$parser = new SqlParser\Parser($query1);

// and build it again
// inspect query
var_dump($parser->statements[0]); // outputs object(SqlParser\Statements\SelectStatement)

// modify query by replacing table a with table b
$table2 = new \SqlParser\Components\Expression("", "b", "", "");
$parser->statements[0]->from[0] = $table2;

// build query again from an array of object(SqlParser\Statements\SelectStatement) to a string
$statement = $parser->statements[0];
$statement->build()
$query2 = $statement->build();
var_dump($query2); // outputs string(19) "SELECT * FROM `b` "
```

## More information
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