aviat/Query
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Improve the query builder with a helper method

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This commit is contained in:
Timothy Warren 2014-04-01 16:31:08 -04:00
parent 14a4449f3f
commit 482f36ea24
1 changed files with 35 additions and 46 deletions
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81
classes/query_builder.php
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@ -121,7 +121,6 @@ class Query_Builder implements Query_Builder_Interface {
*/ */
protected $query_map = array(); protected $query_map = array();
// Map for having clause
/** /**
* Map for having clause * Map for having clause
* @var array * @var array
@ -425,11 +424,8 @@ class Query_Builder implements Query_Builder_Interface {
$val = "%{$val}%"; $val = "%{$val}%";
} }
$this->query_map[] = array( $conj = (empty($this->query_map)) ? ' WHERE ' : " {$conj} ";
'type' => 'like', $this->_append_map($conj, $l, 'like');
'conjunction' => (empty($this->query_map)) ? ' WHERE ' : " {$conj} ",
'string' => $l
);
// Add to the values array // Add to the values array
$this->where_values[] = $val; $this->where_values[] = $val;
@ -525,7 +521,7 @@ class Query_Builder implements Query_Builder_Interface {
// Simple key value, or an operator // Simple key value, or an operator
$item .= (count($f_array) === 1) ? '=?' : " {$f_array[1]} ?"; $item .= (count($f_array) === 1) ? '=?' : " {$f_array[1]} ?";
// Put in the query map for select statements // Put in the having map
$this->having_map[] = array( $this->having_map[] = array(
'conjunction' => ( ! empty($this->having_map)) ? " {$conj} " : ' HAVING ', 'conjunction' => ( ! empty($this->having_map)) ? " {$conj} " : ' HAVING ',
'string' => $item 'string' => $item
@ -640,12 +636,7 @@ class Query_Builder implements Query_Builder_Interface {
$conj = " {$conj} "; $conj = " {$conj} ";
} }
// Put in the query map for select statements $this->_append_map($conj, $item, 'where');
$this->query_map[] = array(
'type' => 'where',
'conjunction' => $conj,
'string' => $item
);
} }
return $this; return $this;
@ -672,13 +663,10 @@ class Query_Builder implements Query_Builder_Interface {
$this->where_values[] = $v; $this->where_values[] = $v;
} }
$string = $key . " {$in} (".implode(',', $params).') '; $conjunction = ( ! empty($this->query_map)) ? " {$conj} " : ' WHERE ';
$str = $key . " {$in} (".implode(',', $params).') ';
$this->query_map[] = array( $this->_append_map($conjunction, $str, 'where_in');
'type' => 'where_in',
'conjunction' => ( ! empty($this->query_map)) ? " {$conj} " : ' WHERE ',
'string' => $string
);
return $this; return $this;
} }
@ -842,14 +830,9 @@ class Query_Builder implements Query_Builder_Interface {
} }
$parsed_condition = implode('', $parts['combined']); $parsed_condition = implode('', $parts['combined']);
$condition = $table . ' ON ' . $parsed_condition; $condition = $table . ' ON ' . $parsed_condition;
$this->query_map[] = array( $this->_append_map("\n" . strtoupper($type) . ' JOIN ', $condition, 'join');
'type' => 'join',
'conjunction' => "\n" . strtoupper($type) . ' JOIN ',
'string' => $condition,
);
return $this; return $this;
} }
@ -944,11 +927,9 @@ class Query_Builder implements Query_Builder_Interface {
*/ */
public function group_start() public function group_start()
{ {
$this->query_map[] = array( $conj = (empty($this->query_map)) ? ' WHERE ' : ' ';
'type' => 'group_start',
'conjunction' => (empty($this->query_map)) ? ' WHERE ' : ' ', $this->_append_map($conj, '(', 'group_start');
'string' => '('
);
return $this; return $this;
} }
@ -963,11 +944,7 @@ class Query_Builder implements Query_Builder_Interface {
*/ */
public function or_group_start() public function or_group_start()
{ {
$this->query_map[] = array( $this->_append_map('', ' OR (', 'group_start');
'type' => 'group_start',
'conjunction' => '',
'string' => ' OR ('
);
return $this; return $this;
} }
@ -982,11 +959,7 @@ class Query_Builder implements Query_Builder_Interface {
*/ */
public function or_not_group_start() public function or_not_group_start()
{ {
$this->query_map[] = array( $this->_append_map('', ' OR NOT (', 'group_start');
'type' => 'group_start',
'conjunction' => '',
'string' => ' OR NOT ('
);
return $this; return $this;
} }
@ -1000,11 +973,7 @@ class Query_Builder implements Query_Builder_Interface {
*/ */
public function group_end() public function group_end()
{ {
$this->query_map[] = array( $this->_append_map('', ')', 'group_end');
'type' => 'group_end',
'conjunction' => '',
'string' => ')'
);
return $this; return $this;
} }
@ -1403,6 +1372,25 @@ class Query_Builder implements Query_Builder_Interface {
// -------------------------------------------------------------------------- // --------------------------------------------------------------------------
/**
* Add an additional set of mapping pairs to a internal map
*
* @param string $conjunction
* @param string $string
* @param string $type
* @return void
*/
protected function _append_map($conjunction = '', $string = '', $type = '')
{
array_push($this->query_map, array(
'type' => $type,
'conjunction' => $conjunction,
'string' => $string
));
}
// --------------------------------------------------------------------------
/** /**
* Sub-method for generating sql strings * Sub-method for generating sql strings
* *
@ -1487,7 +1475,8 @@ class Query_Builder implements Query_Builder_Interface {
$sql = $this->sql->limit($sql, $this->limit, $this->offset); $sql = $this->sql->limit($sql, $this->limit, $this->offset);
} }
// See what needs to happen to only return the query plan // See if the query plan, rather than the
// query data should be returned
if ($this->explain === TRUE) if ($this->explain === TRUE)
{ {
$sql = $this->sql->explain($sql); $sql = $this->sql->explain($sql);