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-rw-r--r--system/database/DB_utility.php4
-rw-r--r--system/database/drivers/mysql/mysql_driver.php6
-rw-r--r--system/database/drivers/mysqli/mysqli_driver.php6
-rw-r--r--system/database/drivers/pdo/pdo_driver.php6
-rw-r--r--system/database/drivers/postgre/postgre_driver.php41
5 files changed, 54 insertions, 9 deletions
diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php
index 587dfdc01..cb97ff448 100644
--- a/system/database/DB_utility.php
+++ b/system/database/DB_utility.php
@@ -212,7 +212,7 @@ abstract class CI_DB_utility extends CI_DB_forge {
$out = rtrim($out).$newline;
// Next blast through the result array and build out the rows
- foreach ($query->result_array() as $row)
+ while ($row = $query->unbuffered_row('array'))
{
foreach ($row as $item)
{
@@ -258,7 +258,7 @@ abstract class CI_DB_utility extends CI_DB_forge {
// Generate the result
$xml = '<'.$root.'>'.$newline;
- foreach ($query->result_array() as $row)
+ while ($row = $query->unbuffered_row())
{
$xml .= $tab.'<'.$element.'>'.$newline;
foreach ($row as $key => $val)
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 161f99541..d801a9aaf 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -47,7 +47,7 @@ class CI_DB_mysql_driver extends CI_DB {
// clause and character used for LIKE escape sequences - not used in MySQL
protected $_like_escape_str = '';
- protected $_like_escape_chr = '';
+ protected $_like_escape_chr = '\\';
/**
* The syntax to count rows is slightly different across different
@@ -291,7 +291,9 @@ class CI_DB_mysql_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- return str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index 9261883f5..61761e0c6 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -47,7 +47,7 @@ class CI_DB_mysqli_driver extends CI_DB {
// clause and character used for LIKE escape sequences - not used in MySQL
protected $_like_escape_str = '';
- protected $_like_escape_chr = '';
+ protected $_like_escape_chr = '\\';
/**
* The syntax to count rows is slightly different across different
@@ -291,7 +291,9 @@ class CI_DB_mysqli_driver extends CI_DB {
// escape LIKE condition wildcards
if ($like === TRUE)
{
- return str_replace(array('%', '_'), array('\\%', '\\_'), $str);
+ return str_replace(array($this->_like_escape_chr, '%', '_'),
+ array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'),
+ $str);
}
return $str;
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php
index e38c1145c..4784fc65b 100644
--- a/system/database/drivers/pdo/pdo_driver.php
+++ b/system/database/drivers/pdo/pdo_driver.php
@@ -79,13 +79,13 @@ class CI_DB_pdo_driver extends CI_DB {
// clause and character used for LIKE escape sequences
// this one depends on the driver being used
- if ($this->pdodriver == 'mysql')
+ if ($this->pdodriver === 'mysql')
{
$this->_escape_char = '`';
$this->_like_escape_str = '';
- $this->_like_escape_chr = '';
+ $this->_like_escape_chr = '\\';
}
- elseif ($this->pdodriver == 'odbc')
+ elseif ($this->pdodriver === 'odbc')
{
$this->_like_escape_str = " {escape '%s'} ";
}
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 0ddfd0abe..30689cc70 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -539,6 +539,47 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ protected function _update_batch($table, $values, $index, $where = NULL)
+ {
+ $ids = array();
+ foreach ($values as $key => $val)
+ {
+ $ids[] = $val[$index];
+
+ foreach (array_keys($val) as $field)
+ {
+ if ($field != $index)
+ {
+ $final[$field][] = 'WHEN '.$val[$index].' THEN '.$val[$field];
+ }
+ }
+ }
+
+ $cases = '';
+ foreach ($final as $k => $v)
+ {
+ $cases .= $k.' = (CASE '.$k."\n"
+ .implode("\n", $v)."\n"
+ .'ELSE '.$k.' END), ';
+ }
+
+ return 'UPDATE '.$table.' SET '.substr($cases, 0, -2)
+ .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '')
+ .$index.' IN('.implode(',', $ids).')';
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Delete statement
*
* Generates a platform-specific delete string from the supplied data