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OpenSQLManager
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Fix bad fix

This commit is contained in:
Timothy Warren 2012-03-28 21:13:59 -04:00
parent ff3fba3e37
commit 8b602597d3
1 changed files with 164 additions and 164 deletions
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328
sys/db/query_builder.php
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@ -7,13 +7,13 @@
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
* @license http://philsturgeon.co.uk/code/dbad-license
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
/**
* Convienience class for creating sql queries - also the class that
* Convienience class for creating sql queries - also the class that
* instantiates the specific db driver
*/
class Query_Builder {
@ -26,26 +26,26 @@ class Query_Builder {
$set_string,
$order_string,
$group_string;
// Key value pairs
private $set_array,
$set_array_keys,
$order_array,
$group_array;
// Values to apply to prepared statements
private $values;
// Query-global components
private $limit,
private $limit,
$offset;
// Alias to $this->db->sql
// Alias to $this->db->sql
private $sql;
// Query component order mapping
// for complex select queries
//
//
// Format:
//
// array(
@ -57,7 +57,7 @@ class Query_Builder {
/**
* Constructor
*
*
* @param object $conn_name - the name of the connection/parameters
*/
public function __construct($params)
@ -66,15 +66,15 @@ class Query_Builder {
if (is_array($params))
{
$p = new StdClass();
foreach($params as $key => $val)
{
$p->$key = $val;
}
$params = $p;
}
$params->type = strtolower($params->type);
$dbtype = ($params->type !== 'postgresql') ? $params->type : 'pgsql';
@ -84,11 +84,11 @@ class Query_Builder {
default:
if ( ! empty($params->port))
{
$dsn = "host={$params->host};dbname={$params->database}";
$dsn = "host={$params->host};port={$params->port};dbname={$params->database}";
}
else
{
$dsn = "host={$params->host};port={$params->port};dbname={$params->database}";
$dsn = "host={$params->host};dbname={$params->database}";
}
break;
@ -110,15 +110,15 @@ class Query_Builder {
{
$this->db = new $dbtype($dsn);
}
// Make things just slightly shorter
$this->sql =& $this->db->sql;
}
// --------------------------------------------------------------------------
// ! Select Queries
// --------------------------------------------------------------------------
/**
* Specifies rows to select in a query
*
@ -143,7 +143,7 @@ class Query_Builder {
// Quote the identifiers
$safe_array = array_map(array($this->db, 'quote_ident'), $fields_array);
unset($fields_array);
// Join the strings back together
@ -156,14 +156,14 @@ class Query_Builder {
}
$this->select_string = implode(', ', $safe_array);
unset($safe_array);
return $this;
}
// --------------------------------------------------------------------------
/**
* Specify the database table to select from
*
@ -175,20 +175,20 @@ class Query_Builder {
// Split identifiers on spaces
$ident_array = explode(' ', trim($dbname));
$ident_array = array_map('trim', $ident_array);
// Quote the identifiers
// Quote the identifiers
$ident_array = array_map(array($this->db, 'quote_ident'), $ident_array);
// Paste it back together
$this->from_string = implode(' ', $ident_array);
$this->from_string = implode(' ', $ident_array);
return $this;
}
// --------------------------------------------------------------------------
// ! 'Like' methods
// --------------------------------------------------------------------------
/**
* Creates a Like clause in the sql statement
*
@ -198,12 +198,12 @@ class Query_Builder {
* @return $this
*/
public function like($field, $val, $pos='both')
{
{
$field = $this->db->quote_ident($field);
// Add the like string into the order map
$l = $field. ' LIKE ?';
if ($pos == 'before')
{
$val = "%{$val}";
@ -216,21 +216,21 @@ class Query_Builder {
{
$val = "%{$val}%";
}
$this->query_map[] = array(
'type' => 'like',
'conjunction' => (empty($this->query_map)) ? 'WHERE ' : ' AND ',
'string' => $l
);
// Add to the values array
$this->values[] = $val;
return $this;
}
// --------------------------------------------------------------------------
/**
* Generates an OR Like clause
*
@ -242,10 +242,10 @@ class Query_Builder {
public function or_like($field, $val, $pos='both')
{
$field = $this->db->quote_ident($field);
// Add the like string into the order map
$l = $field. ' LIKE ?';
if ($pos == 'before')
{
$val = "%{$val}";
@ -258,21 +258,21 @@ class Query_Builder {
{
$val = "%{$val}%";
}
$this->query_map[] = array(
'type' => 'like',
'conjunction' => (empty($this->query_map)) ? 'WHERE ' : ' OR ',
'string' => $l
);
// Add to the values array
$this->values[] = $val;
return $this;
}
// --------------------------------------------------------------------------
/**
* Generates a NOT LIKE clause
*
@ -284,10 +284,10 @@ class Query_Builder {
public function not_like($field, $val, $pos='both')
{
$field = $this->db->quote_ident($field);
// Add the like string into the order map
$l = $field. ' NOT LIKE ?';
if ($pos == 'before')
{
$val = "%{$val}";
@ -300,21 +300,21 @@ class Query_Builder {
{
$val = "%{$val}%";
}
$this->query_map[] = array(
'type' => 'like',
'conjunction' => (empty($this->query_map)) ? ' WHERE ' : ' AND ',
'string' => $l
);
// Add to the values array
$this->values[] = $val;
return $this;
}
// --------------------------------------------------------------------------
/**
* Generates a OR NOT LIKE clause
*
@ -326,10 +326,10 @@ class Query_Builder {
public function or_not_like($field, $val, $pos='both')
{
$field = $this->db->quote_ident($field);
// Add the like string into the order map
$l = $field. ' NOT LIKE ?';
if ($pos == 'before')
{
$val = "%{$val}";
@ -342,23 +342,23 @@ class Query_Builder {
{
$val = "%{$val}%";
}
$this->query_map[] = array(
'type' => 'like',
'conjunction' => (empty($this->query_map)) ? ' WHERE ' : ' OR ',
'string' => $l
);
// Add to the values array
$this->values[] = $val;
return $this;
}
// --------------------------------------------------------------------------
// ! 'Where' methods
// --------------------------------------------------------------------------
/**
* Do all the repeditive stuff for where type methods
*
@ -369,7 +369,7 @@ class Query_Builder {
private function _where($key, $val=array())
{
$where = array();
// Key and value passed? Add them to the where array
if (is_scalar($key) && is_scalar($val))
{
@ -385,18 +385,18 @@ class Query_Builder {
$this->values[] = $v;
}
}
return $where;
}
// --------------------------------------------------------------------------
/**
* Specify condition(s) in the where clause of a query
* Note: this function works with key / value, or a
* Note: this function works with key / value, or a
* passed array with key / value pairs
*
* @param mixed $key
*
* @param mixed $key
* @param mixed $val
* @return $this
*/
@ -410,12 +410,12 @@ class Query_Builder {
// Split each key by spaces, in case there
// is an operator such as >, <, !=, etc.
$f_array = explode(' ', trim($f));
$item = $this->db->quote_ident($f_array[0]);
// 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
$this->query_map[] = array(
'type' => 'where',
@ -456,7 +456,7 @@ class Query_Builder {
{
$item = $this->db->quote_ident($f_array[0]) . " {$f_array[1]} ?";
}
// Put in the query map for select statements
$this->query_map[] = array(
'type' => 'where',
@ -481,20 +481,20 @@ class Query_Builder {
{
$field = $this->db->quote_ident($field);
$params = array_fill(0, count($val), '?');
foreach($val as $v)
{
$this->values[] = $v;
}
$string = $field . ' IN ('.implode(',', $params).') ';
$this->query_map[] = array(
'type' => 'where_in',
'conjunction' => ( ! empty($this->query_map)) ? ' AND ' : ' WHERE ',
'string' => $string
);
return $this;
}
@ -511,23 +511,23 @@ class Query_Builder {
{
$field = $this->db->quote_ident($field);
$params = array_fill(0, count($val), '?');
foreach($val as $v)
{
$this->values[] = $v;
}
$string = $field . ' IN ('.implode(',', $params).') ';
$this->query_map[] = array(
'type' => 'where_in',
'conjunction' => ( ! empty($this->query_map)) ? ' OR ' : ' WHERE ',
'string' => $string
);
return $this;
}
// --------------------------------------------------------------------------
/**
@ -541,20 +541,20 @@ class Query_Builder {
{
$field = $this->db->quote_ident($field);
$params = array_fill(0, count($val), '?');
foreach($val as $v)
{
$this->values[] = $v;
}
$string = $field.' NOT IN ('.implode(',', $params).') ';
$this->query_map[] = array(
'type' => 'where_in',
'conjunction' => ( ! empty($this->query_map)) ? ' AND ' : ' WHERE ',
'string' => $string
);
return $this;
}
@ -562,7 +562,7 @@ class Query_Builder {
/**
* OR WHERE NOT IN (FOO) clause
*
*
* @param string $field
* @param mixed $val
* @return $this
@ -571,27 +571,27 @@ class Query_Builder {
{
$field = $this->db->quote_ident($field);
$params = array_fill(0, count($val), '?');
foreach($val as $v)
{
$this->values[] = $v;
}
$string = $field.' NOT IN ('.implode(',', $params).') ';
$this->query_map[] = array(
'type' => 'where_in',
'conjunction' => ( ! empty($this->query_map)) ? ' OR ' : ' WHERE ',
'string' => $string
);
return $this;
}
// --------------------------------------------------------------------------
// ! Other Query Modifier methods
// --------------------------------------------------------------------------
/**
* Creates a join phrase in a compiled query
*
@ -601,27 +601,27 @@ class Query_Builder {
* @return $this
*/
public function join($table, $condition, $type='')
{
{
// Paste it back together
$table = implode(" ", array_map(array($this->db, 'quote_ident'), explode(' ', trim($table))));
$table = implode(" ", array_map(array($this->db, 'quote_ident'), explode(' ', trim($table))));
//$condition = preg_replace('`(\W)`', " $1 ", $condition);
$cond_array = explode(' ', trim($condition));
$cond_array = array_map('trim', $cond_array);
$condition = $table . ' ON ' . $this->db->quote_ident($cond_array[0]) . $cond_array[1] .
' ' . $this->db->quote_ident($cond_array[2]);
$this->query_map[] = array(
'type' => 'join',
'conjunction' => strtoupper($type).' JOIN ',
'string' => $condition,
);
return $this;
}
// --------------------------------------------------------------------------
/**
* Group the results by the selected field(s)
*
@ -638,14 +638,14 @@ class Query_Builder {
{
$this->group_array[] = $this->db->quote_ident($field);
}
$this->group_string = ' GROUP BY ' . implode(', ', $this->group_array);
return $this;
}
// --------------------------------------------------------------------------
/**
* Order the results by the selected field(s)
*
@ -660,29 +660,29 @@ class Query_Builder {
{
$type = (($rand = $this->sql->random()) !== FALSE ) ? $rand : 'ASC';
}
// Set fields for later manipulation
$field = $this->db->quote_ident($field);
$this->order_array[$field] = $type;
$order_clauses = array();
// Flatten key/val pairs into an array of space-separated pairs
foreach($this->order_array as $k => $v)
{
$order_clauses[] = $k . ' ' . strtoupper($v);
}
// Set the final string
$this->order_string = (empty($rand))
$this->order_string = (empty($rand))
? ' ORDER BY '.implode(',', $order_clauses)
: ' ORDER BY'.$rand;
return $this;
}
// --------------------------------------------------------------------------
/**
* Set a limit on the current sql statement
*
@ -694,14 +694,14 @@ class Query_Builder {
{
$this->limit = $limit;
$this->offset = $offset;
return $this;
}
// --------------------------------------------------------------------------
// ! Query execution methods
// --------------------------------------------------------------------------
/**
* Select and retrieve all records from the current table, and/or
* execute current compiled query
@ -724,7 +724,7 @@ class Query_Builder {
{
$this->limit($limit, $offset);
}
$sql = $this->_compile();
// Do prepared statements for anything involving a "where" clause
@ -733,17 +733,17 @@ class Query_Builder {
$result = $this->db->prepare_execute($sql, $this->values);
}
else
{
{
// Otherwise, a simple query will do.
$result = $this->db->query($sql);
}
// Reset for next query
$this->_reset();
return $result;
}
// --------------------------------------------------------------------------
/**
@ -760,13 +760,13 @@ class Query_Builder {
{
$this->set($data);
}
$sql = $this->_compile("insert", $table);
$res = $this->db->prepare_execute($sql, $this->values);
$this->_reset();
return $res;
}
@ -786,17 +786,17 @@ class Query_Builder {
{
$this->set($data);
}
$sql = $this->_compile('update', $table);
$res = $this->db->prepare_execute($sql, $this->values);
$this->_reset();
// Run the query
return $res;
}
// --------------------------------------------------------------------------
/**
@ -816,19 +816,19 @@ class Query_Builder {
// Create the SQL and parameters
$sql = $this->_compile("delete", $table);
$res = $this->db->prepare_execute($sql, $this->values);
$this->_reset();
// Delete the table rows, and return the result
return $res;
}
// --------------------------------------------------------------------------
// ! Query Grouping Methods
// --------------------------------------------------------------------------
/**
* Adds a paren to the current query for query grouping
*
@ -841,12 +841,12 @@ class Query_Builder {
'conjunction' => '',
'string' => ' ('
);
return $this;
}
// --------------------------------------------------------------------------
/**
* Adds a paren to the current query for query grouping,
* prefixed with 'OR'
@ -860,12 +860,12 @@ class Query_Builder {
'conjunction' => '',
'string' => ' OR ('
);
return $this;
}
// --------------------------------------------------------------------------
/**
* Adds a paren to the current query for query grouping,
* prefixed with 'OR NOT'
@ -879,12 +879,12 @@ class Query_Builder {
'conjunction' => '',
'string' => ' OR NOT ('
);
return $this;
}
// --------------------------------------------------------------------------
/**
* Ends a query group
*
@ -897,7 +897,7 @@ class Query_Builder {
'conjunction' => '',
'string' => ' ) '
);
return $this;
}
@ -929,15 +929,15 @@ class Query_Builder {
$this->values[] = $val;
}
}
// Use the keys of the array to make the insert/update string
// Escape the field names
$this->set_array_keys = array_map(array($this->db, 'quote_ident'), array_keys($this->set_array));
// Generate the "set" string
$this->set_string = implode('=?, ', $this->set_array_keys);
$this->set_string .= '=?';
return $this;
}
@ -961,17 +961,17 @@ class Query_Builder {
}
return NULL;
}
}
// --------------------------------------------------------------------------
/**
* Clear out the class variables, so the next query can be run
*/
private function _reset()
{
// Only unset class variables that
// are not callable. Otherwise, we'll
// are not callable. Otherwise, we'll
// delete class methods!
foreach($this as $name => $var)
{
@ -980,25 +980,25 @@ class Query_Builder {
'db',
'sql'
);
if (in_array($name, $save_properties))
{
continue;
}
// Nothing query-generation related is safe!
if ( ! is_callable($this->$name))
{
unset($this->$name);
}
// Set values as an empty array
$this->values = array();
}
}
// --------------------------------------------------------------------------
/**
* String together the sql statements for sending to the db
*
@ -1009,19 +1009,19 @@ class Query_Builder {
private function _compile($type='', $table="")
{
$sql = '';
switch($type)
{
default:
$sql = 'SELECT * FROM '.$this->from_string;
// Set the select string
if ( ! empty($this->select_string))
{
// Replace the star with the selected fields
$sql = str_replace('*', $this->select_string, $sql);
}
// Set the where string
if ( ! empty($this->query_map))
{
@ -1030,37 +1030,37 @@ class Query_Builder {
$sql .= $q['conjunction'] . $q['string'];
}
}
// Set the group_by string
if ( ! empty($this->group_string))
{
$sql .= $this->group_string;
}
// Set the order_by string
if ( ! empty($this->order_string))
{
$sql .= $this->order_string;
}
// Set the limit via the class variables
if (isset($this->limit) && is_numeric($this->limit))
{
$sql = $this->sql->limit($sql, $this->limit, $this->offset);
}
break;
case "insert":
$param_count = count($this->set_array);
$params = array_fill(0, $param_count, '?');
$sql = 'INSERT INTO '. $this->db->quote_ident($table) .
' (' . implode(', ', $this->set_array_keys) .
$sql = 'INSERT INTO '. $this->db->quote_ident($table) .
' (' . implode(', ', $this->set_array_keys) .
') VALUES ('.implode(', ', $params).')';
break;
case "update":
$sql = 'UPDATE '.$this->db->quote_ident($table). ' SET '. $this->set_string;
// Set the where string
if ( ! empty($this->query_map))
{
@ -1070,7 +1070,7 @@ class Query_Builder {
}
}
break;
case "delete":
$sql = 'DELETE FROM '.$this->db->quote_ident($table);
@ -1085,9 +1085,9 @@ class Query_Builder {
break;
}
// echo $sql.'<br />';
return $sql;
}
}