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-rw-r--r--system/database/DB_query_builder.php486
1 files changed, 333 insertions, 153 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index a3585586e..364397721 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Query Builder Class
@@ -39,42 +40,213 @@
abstract class CI_DB_query_builder extends CI_DB_driver {
+ /**
+ * Return DELETE SQL flag
+ *
+ * @var bool
+ */
protected $return_delete_sql = FALSE;
+
+ /**
+ * Reset DELETE data flag
+ *
+ * @var bool
+ */
protected $reset_delete_data = FALSE;
+ /**
+ * QB SELECT data
+ *
+ * @var array
+ */
protected $qb_select = array();
+
+ /**
+ * QB DISTINCT flag
+ *
+ * @var bool
+ */
protected $qb_distinct = FALSE;
+
+ /**
+ * QB FROM data
+ *
+ * @var array
+ */
protected $qb_from = array();
+
+ /**
+ * QB JOIN data
+ *
+ * @var array
+ */
protected $qb_join = array();
+
+ /**
+ * QB WHERE data
+ *
+ * @var array
+ */
protected $qb_where = array();
+
+ /**
+ * QB GROUP BY data
+ *
+ * @var array
+ */
protected $qb_groupby = array();
+
+ /**
+ * QB HAVING data
+ *
+ * @var array
+ */
protected $qb_having = array();
+
+ /**
+ * QB keys
+ *
+ * @var array
+ */
protected $qb_keys = array();
+
+ /**
+ * QB LIMIT data
+ *
+ * @var int
+ */
protected $qb_limit = FALSE;
+
+ /**
+ * QB OFFSET data
+ *
+ * @var int
+ */
protected $qb_offset = FALSE;
+
+ /**
+ * QB ORDER BY data
+ *
+ * @var array
+ */
protected $qb_orderby = array();
+
+ /**
+ * QB data sets
+ *
+ * @var array
+ */
protected $qb_set = array();
+
+ /**
+ * QB aliased tables list
+ *
+ * @var array
+ */
protected $qb_aliased_tables = array();
- protected $qb_store_array = array();
+
+ /**
+ * QB WHERE group started flag
+ *
+ * @var bool
+ */
protected $qb_where_group_started = FALSE;
+
+ /**
+ * QB WHERE group count
+ *
+ * @var int
+ */
protected $qb_where_group_count = 0;
// Query Builder Caching variables
+
+ /**
+ * QB Caching flag
+ *
+ * @var bool
+ */
protected $qb_caching = FALSE;
+
+ /**
+ * QB Cache exists list
+ *
+ * @var array
+ */
protected $qb_cache_exists = array();
+
+ /**
+ * QB Cache SELECT data
+ *
+ * @var array
+ */
protected $qb_cache_select = array();
+
+ /**
+ * QB Cache FROM data
+ *
+ * @var array
+ */
protected $qb_cache_from = array();
+
+ /**
+ * QB Cache JOIN data
+ *
+ * @var array
+ */
protected $qb_cache_join = array();
+
+ /**
+ * QB Cache WHERE data
+ *
+ * @var array
+ */
protected $qb_cache_where = array();
- protected $qb_cache_like = array();
+
+ /**
+ * QB Cache GROUP BY data
+ *
+ * @var array
+ */
protected $qb_cache_groupby = array();
+
+ /**
+ * QB Cache HAVING data
+ *
+ * @var array
+ */
protected $qb_cache_having = array();
+
+ /**
+ * QB Cache ORDER BY data
+ *
+ * @var array
+ */
protected $qb_cache_orderby = array();
+
+ /**
+ * QB Cache data sets
+ *
+ * @var array
+ */
protected $qb_cache_set = array();
+ /**
+ * QB No Escape data
+ *
+ * @var array
+ */
protected $qb_no_escape = array();
+
+ /**
+ * QB Cache No Escape data
+ *
+ * @var array
+ */
protected $qb_cache_no_escape = array();
+ // --------------------------------------------------------------------
+
/**
* Select
*
@@ -182,17 +354,16 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Processing Function for the following functions:
- *
- * select_max()
- * select_min()
- * select_avg()
- * select_sum()
+ * SELECT [MAX|MIN|AVG|SUM]()
*
+ * @used-by select_max()
+ * @used-by select_min()
+ * @used-by select_avg()
+ * @used-by select_sum()
*
- * @param string $select = '' field name
- * @param string $alias = ''
- * @param string $type = 'MAX'
+ * @param string $select Field name
+ * @param string $alias
+ * @param string $type
* @return object
*/
protected function _max_min_avg_sum($select = '', $alias = '', $type = 'MAX')
@@ -233,7 +404,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* Determines the alias name based on the table
*
- * @param string
+ * @param string $item
* @return string
*/
protected function _create_alias_from_table($item)
@@ -254,7 +425,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
*
* Sets a flag which tells the query string compiler to add DISTINCT
*
- * @param bool
+ * @param bool $val
* @return object
*/
public function distinct($val = TRUE)
@@ -270,7 +441,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
*
* Generates the FROM portion of the query
*
- * @param mixed can be a string or array
+ * @param mixed $from can be a string or array
* @return object
*/
public function from($from)
@@ -317,7 +488,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Join
+ * JOIN
*
* Generates the JOIN portion of the query
*
@@ -405,10 +576,10 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Where
+ * WHERE
*
- * Generates the WHERE portion of the query. Separates
- * multiple calls with AND
+ * Generates the WHERE portion of the query.
+ * Separates multiple calls with 'AND'.
*
* @param mixed
* @param mixed
@@ -423,10 +594,10 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * OR Where
+ * OR WHERE
*
- * Generates the WHERE portion of the query. Separates
- * multiple calls with OR
+ * Generates the WHERE portion of the query.
+ * Separates multiple calls with 'OR'.
*
* @param mixed
* @param mixed
@@ -443,13 +614,16 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* WHERE, HAVING
*
- * Called by where(), or_where(), having(), or_having()
+ * @used-by where()
+ * @used-by or_where()
+ * @used-by having()
+ * @used-by or_having()
*
- * @param string 'qb_where' or 'qb_having'
- * @param mixed
- * @param mixed
- * @param string
- * @param bool
+ * @param string $qb_key 'qb_where' or 'qb_having'
+ * @param mixed $key
+ * @param mixed $value
+ * @param string $type
+ * @param bool $escape
* @return object
*/
protected function _wh($qb_key, $key, $value = NULL, $type = 'AND ', $escape = NULL)
@@ -504,14 +678,14 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Where_in
+ * WHERE IN
*
- * Generates a WHERE field IN('item', 'item') SQL query joined with
- * AND if appropriate
+ * Generates a WHERE field IN('item', 'item') SQL query,
+ * joined with 'AND' if appropriate.
*
- * @param string $key = NULL The field to search
- * @param array $values = NULL The values searched on
- * @param bool $escape = NULL
+ * @param string $key The field to search
+ * @param array $values The values searched on
+ * @param bool $escape
* @return object
*/
public function where_in($key = NULL, $values = NULL, $escape = NULL)
@@ -522,14 +696,14 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Or_where_in
+ * OR WHERE IN
*
- * Generates a WHERE field IN('item', 'item') SQL query joined with
- * OR if appropriate
+ * Generates a WHERE field IN('item', 'item') SQL query,
+ * joined with 'OR' if appropriate.
*
- * @param string $key = NULL The field to search
- * @param array $values = NULL The values searched on
- * @param bool $escape = NULL
+ * @param string $key The field to search
+ * @param array $values The values searched on
+ * @param bool $escape
* @return object
*/
public function or_where_in($key = NULL, $values = NULL, $escape = NULL)
@@ -540,14 +714,14 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Where_not_in
+ * WHERE NOT IN
*
- * Generates a WHERE field NOT IN('item', 'item') SQL query joined
- * with AND if appropriate
+ * Generates a WHERE field NOT IN('item', 'item') SQL query,
+ * joined with 'AND' if appropriate.
*
- * @param string $key = NULL The field to search
- * @param array $values = NULL The values searched on
- * @param bool $escape = NULL
+ * @param string $key The field to search
+ * @param array $values The values searched on
+ * @param bool $escape
* @return object
*/
public function where_not_in($key = NULL, $values = NULL, $escape = NULL)
@@ -558,14 +732,14 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Or_where_not_in
+ * OR WHERE NOT IN
*
- * Generates a WHERE field NOT IN('item', 'item') SQL query joined
- * with OR if appropriate
+ * Generates a WHERE field NOT IN('item', 'item') SQL query,
+ * joined with 'OR' if appropriate.
*
- * @param string $key = NULL The field to search
- * @param array $values = NULL The values searched on
- * @param bool $escape = NULL
+ * @param string $key The field to search
+ * @param array $values The values searched on
+ * @param bool $escape
* @return object
*/
public function or_where_not_in($key = NULL, $values = NULL, $escape = NULL)
@@ -576,15 +750,18 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Where_in
+ * Internal WHERE IN
*
- * Called by where_in(), or_where_in(), where_not_in(), or_where_not_in()
+ * @used-by where_in()
+ * @used-by or_where_in()
+ * @used-by where_not_in()
+ * @used-by or_where_not_in()
*
- * @param string $key = NULL The field to search
- * @param array $values = NULL The values searched on
- * @param bool $not = FALSE If the statement would be IN or NOT IN
- * @param string $type = 'AND '
- * @param bool $escape = NULL
+ * @param string $key The field to search
+ * @param array $values The values searched on
+ * @param bool $not If the statement would be IN or NOT IN
+ * @param string $type
+ * @param bool $escape
* @return object
*/
protected function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'AND ', $escape = NULL)
@@ -628,15 +805,15 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Like
+ * LIKE
*
- * Generates a %LIKE% portion of the query. Separates
- * multiple calls with AND
+ * Generates a %LIKE% portion of the query.
+ * Separates multiple calls with 'AND'.
*
- * @param mixed
- * @param string
- * @param string
- * @param bool
+ * @param mixed $field
+ * @param string $match
+ * @param string $side
+ * @param bool $escape
* @return object
*/
public function like($field, $match = '', $side = 'both', $escape = NULL)
@@ -647,15 +824,15 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Not Like
+ * NOT LIKE
*
- * Generates a NOT LIKE portion of the query. Separates
- * multiple calls with AND
+ * Generates a NOT LIKE portion of the query.
+ * Separates multiple calls with 'AND'.
*
- * @param mixed
- * @param string
- * @param string
- * @param bool
+ * @param mixed $field
+ * @param string $match
+ * @param string $side
+ * @param bool $escape
* @return object
*/
public function not_like($field, $match = '', $side = 'both', $escape = NULL)
@@ -666,15 +843,15 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * OR Like
+ * OR LIKE
*
- * Generates a %LIKE% portion of the query. Separates
- * multiple calls with OR
+ * Generates a %LIKE% portion of the query.
+ * Separates multiple calls with 'OR'.
*
- * @param mixed
- * @param string
- * @param string
- * @param bool
+ * @param mixed $field
+ * @param string $match
+ * @param string $side
+ * @param bool $escape
* @return object
*/
public function or_like($field, $match = '', $side = 'both', $escape = NULL)
@@ -685,15 +862,15 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * OR Not Like
+ * OR NOT LIKE
*
- * Generates a NOT LIKE portion of the query. Separates
- * multiple calls with OR
+ * Generates a NOT LIKE portion of the query.
+ * Separates multiple calls with 'OR'.
*
- * @param mixed
- * @param string
- * @param string
- * @param bool
+ * @param mixed $field
+ * @param string $match
+ * @param string $side
+ * @param bool $escape
* @return object
*/
public function or_not_like($field, $match = '', $side = 'both', $escape = NULL)
@@ -704,16 +881,19 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Like
+ * Internal LIKE
*
- * Called by like(), or_like(), not_like, or_not_like()
+ * @used-by like()
+ * @used-by or_like()
+ * @used-by not_like()
+ * @used-by or_not_like()
*
- * @param mixed
- * @param string
- * @param string
- * @param string
- * @param string
- * @param bool
+ * @param mixed $field
+ * @param string $match
+ * @param string $type
+ * @param string $side
+ * @param string $not
+ * @param bool $escape
* @return object
*/
protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '', $escape = NULL)
@@ -770,8 +950,8 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* Starts a query group.
*
- * @param string (Internal use only)
- * @param string (Internal use only)
+ * @param string $not (Internal use only)
+ * @param string $type (Internal use only)
* @return object
*/
public function group_start($not = '', $type = 'AND ')
@@ -859,9 +1039,12 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* Group_get_type
*
- * Called by group_start(), _like(), _where() and _where_in()
+ * @used-by group_start()
+ * @used-by _like()
+ * @used-by _wh()
+ * @used-by _where_in()
*
- * @param string
+ * @param string $type
* @return string
*/
protected function _group_get_type($type)
@@ -880,8 +1063,8 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* GROUP BY
*
- * @param string
- * @param bool
+ * @param string $by
+ * @param bool $escape
* @return object
*/
public function group_by($by, $escape = NULL)
@@ -918,13 +1101,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Sets the HAVING value
+ * HAVING
*
- * Separates multiple calls with AND
+ * Separates multiple calls with 'AND'.
*
- * @param string
- * @param string
- * @param bool
+ * @param string $key
+ * @param string $value
+ * @param bool $escape
* @return object
*/
public function having($key, $value = NULL, $escape = NULL)
@@ -935,13 +1118,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Sets the OR HAVING value
+ * OR HAVING
*
- * Separates multiple calls with OR
+ * Separates multiple calls with 'OR'.
*
- * @param string
- * @param string
- * @param bool
+ * @param string $key
+ * @param string $value
+ * @param bool $escape
* @return object
*/
public function or_having($key, $value = NULL, $escape = NULL)
@@ -952,11 +1135,11 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Sets the ORDER BY value
+ * ORDER BY
*
- * @param string
- * @param string direction: ASC or DESC
- * @param bool enable field name escaping
+ * @param string $orderby
+ * @param string $direction ASC or DESC
+ * @param bool $escape
* @return object
*/
public function order_by($orderby, $direction = '', $escape = NULL)
@@ -1008,10 +1191,10 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Sets the LIMIT value
+ * LIMIT
*
- * @param int the limit value
- * @param int the offset value
+ * @param int $value LIMIT value
+ * @param int $offset OFFSET value
* @return object
*/
public function limit($value, $offset = FALSE)
@@ -1027,7 +1210,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
/**
* Sets the OFFSET value
*
- * @param int the offset value
+ * @param int $offset OFFSET value
* @return object
*/
public function offset($offset)
@@ -1039,11 +1222,11 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Limit string
+ * LIMIT string
*
- * Generates a platform-specific LIMIT clause
+ * Generates a platform-specific LIMIT clause.
*
- * @param string the sql query string
+ * @param string $sql SQL Query
* @return string
*/
protected function _limit($sql)
@@ -1183,10 +1366,10 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
*
* Allows the where clause, limit and offset to be added directly
*
- * @param string $table = ''
- * @param string $where = NULL
- * @param int $limit = NULL
- * @param int $offset = NULL
+ * @param string $table
+ * @param string $where
+ * @param int $limit
+ * @param int $offset
* @return object
*/
public function get_where($table = '', $where = NULL, $limit = NULL, $offset = NULL)
@@ -1218,15 +1401,16 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
*
* Compiles batch insert strings and runs the queries
*
- * @param string $table = '' table to insert into
- * @param array $set an associative array of insert values
- * @return int number of rows inserted or FALSE on failure
+ * @param string $table Table to insert into
+ * @param array $set An associative array of insert values
+ * @param bool $escape Whether to escape values and identifiers
+ * @return int Number of rows inserted or FALSE on failure
*/
- public function insert_batch($table = '', $set = NULL)
+ public function insert_batch($table = '', $set = NULL, $escape = NULL)
{
if ( ! is_null($set))
{
- $this->set_insert_batch($set);
+ $this->set_insert_batch($set, '', $escape);
}
if (count($this->qb_set) === 0)
@@ -1249,7 +1433,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
$affected_rows = 0;
for ($i = 0, $total = count($this->qb_set); $i < $total; $i += 100)
{
- $this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), $this->qb_keys, array_slice($this->qb_set, $i, 100)));
+ $this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, $escape, FALSE), $this->qb_keys, array_slice($this->qb_set, $i, 100)));
$affected_rows += $this->affected_rows();
}
@@ -1260,13 +1444,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Insert_batch statement
+ * Insert batch statement
*
* Generates a platform-specific insert string from the supplied data.
*
- * @param string the table name
- * @param array the insert keys
- * @param array the insert values
+ * @param string $table Table name
+ * @param array $keys INSERT keys
+ * @param array $values INSERT values
* @return string
*/
protected function _insert_batch($table, $keys, $values)
@@ -1375,13 +1559,14 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
*
* @param string the table to insert data into
* @param array an associative array of insert values
+ * @param bool $escape Whether to escape values and identifiers
* @return object
*/
- public function insert($table = '', $set = NULL)
+ public function insert($table = '', $set = NULL, $escape = NULL)
{
if ( ! is_null($set))
{
- $this->set($set);
+ $this->set($set, '', $escape);
}
if ($this->_validate_insert($table) === FALSE)
@@ -1391,7 +1576,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
$sql = $this->_insert(
$this->protect_identifiers(
- $this->qb_from[0], TRUE, NULL, FALSE
+ $this->qb_from[0], TRUE, $escape, FALSE
),
array_keys($this->qb_set),
array_values($this->qb_set)
@@ -1539,14 +1724,14 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// --------------------------------------------------------------------
/**
- * Update
+ * UPDATE
*
- * Compiles an update string and runs the query
+ * Compiles an update string and runs the query.
*
- * @param string $table = ''
- * @param array $set = NULL an associative array of update values
- * @param mixed $where = NULL
- * @param int $limit = NULL
+ * @param string $table
+ * @param array $set An associative array of update values
+ * @param mixed $where
+ * @param int $limit
* @return object
*/
public function update($table = '', $set = NULL, $where = NULL, $limit = NULL)
@@ -1575,7 +1760,6 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
}
$sql = $this->_update($this->protect_identifiers($this->qb_from[0], TRUE, NULL, FALSE), $this->qb_set);
-
$this->_reset_write();
return $this->query($sql);
}
@@ -1980,7 +2164,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
* Generates a query string based on which functions were used.
* Should not be called directly.
*
- * @param bool $select_override = FALSE
+ * @param bool $select_override
* @return string
*/
protected function _compile_select($select_override = FALSE)
@@ -2053,7 +2237,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
* where(), or_where(), having(), or_having are called prior to from(),
* join() and dbprefix is added only if needed.
*
- * @param string 'qb_where' or 'qb_having'
+ * @param string $qb_key 'qb_where' or 'qb_having'
* @return string SQL statement
*/
protected function _compile_wh($qb_key)
@@ -2291,7 +2475,6 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
'qb_cache_from' => array(),
'qb_cache_join' => array(),
'qb_cache_where' => array(),
- 'qb_cache_like' => array(),
'qb_cache_groupby' => array(),
'qb_cache_having' => array(),
'qb_cache_orderby' => array(),
@@ -2398,10 +2581,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
{
foreach ($qb_reset_items as $item => $default_value)
{
- if ( ! in_array($item, $this->qb_store_array))
- {
- $this->$item = $default_value;
- }
+ $this->$item = $default_value;
}
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-08 11:43:52 +0100