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Added JOIN support in the Model.

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Josh Sherman 2010-11-26 15:31:58 -05:00
parent f47138f450
commit 43dd8f16ab
1 changed files with 93 additions and 16 deletions
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109
classes/Model.php
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@ -361,11 +361,49 @@ class Model extends Object
*/
private function generateQuery()
{
// @todo Adds the JOIN syntax
// Adds the JOIN syntax
if ($this->joins != false)
{
// $sql[] = 'JOIN ...';
throw new Exception('Joins parameter is not yet implemented, sorry');
if (is_array($this->joins))
{
foreach ($this->joins as $join => $tables)
{
$join_pieces = array((stripos('JOIN ', $join) === false ? 'JOIN' : strtoupper($join)));
if (is_array($tables))
{
foreach ($tables as $table => $conditions)
{
$join_pieces[] = $table;
if (is_array($conditions))
{
$type = strtoupper(key($conditions));
$conditions = current($conditions);
$join_pieces[] = $type;
$join_pieces[] = $this->generateConditions($conditions, true);
}
else
{
$join_pieces = $conditions;
}
}
}
else
{
$join_pieces[] = $tables;
}
}
$this->sql[] = implode(' ', $join_pieces);
unset($join_pieces);
}
else
{
$this->sql[] = (stripos('JOIN ', $join) === false ? 'JOIN ' : '') . $this->joins;
}
}
// Adds the WHERE conditionals
@ -414,9 +452,11 @@ class Model extends Object
* conditions. Supports as much as I could remember to implement. This
* method is utilized by both the WHERE and HAVING clauses.
*
* @param array $conditions array of potentially nested conditions
* @param array $conditions array of potentially nested conditions
* @param boolean $inject_values whether or not to use input parameters
* @return string $sql generated SQL for the conditions
*/
private function generateConditions($conditions)
private function generateConditions($conditions, $inject_values = false)
{
$sql = '';
@ -437,7 +477,7 @@ class Model extends Object
// Determines if we need to include ( )
$nested = (count($value) > 1);
$sql .= ' ' . $key . ' ' . ($nested ? '(' : '') . $this->generateConditions($value) . ($nested ? ')' : '');
$sql .= ' ' . $key . ' ' . ($nested ? '(' : '') . $this->generateConditions($value, $inject_values) . ($nested ? ')' : '');
}
else
{
@ -457,8 +497,19 @@ class Model extends Object
// Generates an IN statement
if (is_array($value) && $between == false)
{
$sql .= $key . ' IN (' . implode(', ', array_fill(1, count($value), '?')) . ')';
$this->input_parameters = array_merge($this->input_parameters, $value);
$sql .= $key . ' IN (';
if ($inject_values == true)
{
$sql .= implode(', ', $value);
}
else
{
$sql .= implode(', ', array_fill(1, count($value), '?'));
$this->input_parameters = array_merge($this->input_parameters, $value);
}
$sql .= ')';
}
else
{
@ -478,15 +529,22 @@ class Model extends Object
}
else
{
$sql .= $key . ' ?';
$this->input_parameters[] = $value;
$sql .= $key . ' ';
if ($inject_values == true)
{
$sql .= $value;
}
else
{
$sql .= '?';
$this->input_parameters[] = $value;
}
}
}
// Generates a BETWEEN statement
elseif ($between == true)
{
$sql .= $key . ' ? AND ?';
if (is_array($value))
{
// Checks the number of values, BETWEEN expects 2
@ -496,7 +554,17 @@ class Model extends Object
}
else
{
$this->input_parameters = array_merge($this->input_parameters, $value);
$sql .= $key . ' ';
if ($inject_values == true)
{
$sql .= $value[0] . ' AND ' . $value[1];
}
else
{
$sql .= '? AND ?';
$this->input_parameters = array_merge($this->input_parameters, $value);
}
}
}
else
@ -506,15 +574,24 @@ class Model extends Object
}
else
{
$sql .= $key . ' ';
// Checks if we're working with NULL values
if ($null)
{
$sql .= $key . ' IS NULL';
$sql .= 'IS NULL';
}
else
{
$sql .= $key . ' = ?';
$this->input_parameters[] = $value;
if ($inject_values == true)
{
$sql .= '= ' . $value;
}
else
{
$sql .= '= ?';
$this->input_parameters[] = $value;
}
}
}
}