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refactoring the database layer.

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This commit is contained in:
Taylor Otwell
2011-08-21 11:50:53 -05:00
parent a940fc4867
commit 684bbebb5c
3 changed files with 26 additions and 72 deletions
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82
laravel/db/compiler.php
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@@ -10,80 +10,24 @@ class Compiler {
*/
public function select(Query $query)
{
foreach (array('add_select', 'add_from', 'add_where', 'add_order', 'add_limit', 'add_offset') as $builder)
$sql = $query->select.' '.$query->from.' '.$query->where;
if ( ! is_null($query->order))
{
$sql[] = $this->$builder($query);
$sql .= ' '.$query->order;
}
foreach ($sql as $key => $value) { if (is_null($value) or $value === '') unset($sql[$key]); }
if ( ! is_null($query->limit))
{
$sql .= ' '.$query->limit;
}
return implode(' ', $sql);
}
if ( ! is_null($query->offset))
{
$sql .= ' '.$query->offset;
}
/**
* Get the SELECT clause from the Query instance.
*
* @param Query $query
* @return string
*/
protected function add_select(Query $query)
{
return $query->select;
}
/**
* Get the FROM clause from the Query instance.
*
* @param Query $query
* @return string
*/
protected function add_from(Query $query)
{
return $query->from;
}
/**
* Get the WHERE clause from the Query instance.
*
* @param Query $query
* @return string
*/
protected function add_where(Query $query)
{
return $query->where;
}
/**
* Get the ORDER BY clause from the Query instance.
*
* @param Query $query
* @return string
*/
protected function add_order(Query $query)
{
if (count($query->orderings) > 0) return 'ORDER BY'.implode(', ', $query->orderings);
}
/**
* Get the LIMIT clause from the Query instance.
*
* @param Query $query
* @return string
*/
protected function add_limit(Query $query)
{
if ( ! is_null($query->limit)) return 'LIMIT '.$query->limit;
}
/**
* Get the OFFSET clause from the Query instance.
*
* @param Query $query
* @return string
*/
protected function add_offset(Query $query)
{
if ( ! is_null($query->offset)) return 'OFFSET '.$query->offset;
return $sql;
}
/**