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authorTimothy Warren <tim@timshomepage.net>2012-05-30 13:57:26 +0200
committerTimothy Warren <tim@timshomepage.net>2012-05-30 13:57:26 +0200
commitfd2ceab417bbb696134910ce0eaeca34bea3e1e5 (patch)
tree0eeb742a553a36bf2375793661ff3e7925f792a6 /system/database/drivers/postgre
parent6763522d29416b7db90a6d3c5dceffe1536d8efe (diff)
parent11fd4b8759438f216318e3e1e004f918b88a56ad (diff)
Merge branch 'develop' of git://github.com/EllisLab/CodeIgniter into email
Diffstat (limited to 'system/database/drivers/postgre')
-rw-r--r--system/database/drivers/postgre/postgre_driver.php70
1 files changed, 41 insertions, 29 deletions
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 0ddfd0abe..c2a188416 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -390,35 +390,6 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
- * "Count All" query
- *
- * Generates a platform-specific query string that counts all records in
- * the specified database
- *
- * @param string
- * @return string
- */
- public function count_all($table = '')
- {
- if ($table == '')
- {
- return 0;
- }
-
- $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE));
- if ($query->num_rows() == 0)
- {
- return 0;
- }
-
- $query = $query->row();
- $this->_reset_select();
- return (int) $query->numrows;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Show table query
*
* Generates a platform-specific query string so that the table names can be fetched
@@ -539,6 +510,47 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * Update_Batch statement
+ *
+ * Generates a platform-specific batch update string from the supplied data
+ *
+ * @param string the table name
+ * @param array the update data
+ * @param array the where clause
+ * @return string
+ */
+ protected function _update_batch($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