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authorAndrey Andreev <narf@bofh.bg>2012-04-09 15:16:16 +0200
committerAndrey Andreev <narf@bofh.bg>2012-04-09 15:16:16 +0200
commita58c0b695a0590aff07a42ad2ad81b544e226af9 (patch)
tree52eb2c2c56e846f6dbd0c4ab2c516db7642cf86a /system/database/drivers/postgre
parent89ba83c811338134030ef051626e38e3876bc762 (diff)
parentb457a4001ce2380e97f36b0a983b477c3e31de69 (diff)
Merge upstream branch
Diffstat (limited to 'system/database/drivers/postgre')
-rw-r--r--system/database/drivers/postgre/postgre_driver.php38
-rw-r--r--system/database/drivers/postgre/postgre_forge.php58
-rw-r--r--system/database/drivers/postgre/postgre_utility.php41
3 files changed, 23 insertions, 114 deletions
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 1e96452b4..14259be52 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -485,22 +485,26 @@ class CI_DB_postgre_driver extends CI_DB {
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE)
+ protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array())
{
foreach ($values as $key => $val)
{
- $valstr[] = $key." = ".$val;
+ $valstr[] = $key.' = '.$val;
}
- $sql = "UPDATE ".$table." SET ".implode(', ', $valstr);
+ $where = empty($where) ? '' : ' WHERE '.implode(' ', $where);
- $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : '';
+ if ( ! empty($like))
+ {
+ $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like);
+ }
- return $sql;
+ return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where;
}
// --------------------------------------------------------------------
@@ -512,26 +516,18 @@ class CI_DB_postgre_driver extends CI_DB {
*
* @param string the table name
* @param array the where clause
- * @param string the limit clause
+ * @param array the like clause
+ * @param string the limit clause (ignored)
* @return string
*/
protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
{
- $conditions = '';
-
- if (count($where) > 0 OR count($like) > 0)
- {
- $conditions = "\nWHERE ";
- $conditions .= implode("\n", $this->ar_where);
+ $conditions = array();
- if (count($where) > 0 && count($like) > 0)
- {
- $conditions .= " AND ";
- }
- $conditions .= implode("\n", $like);
- }
+ empty($where) OR $conditions[] = implode(' ', $where);
+ empty($like) OR $conditions[] = implode(' ', $like);
- return "DELETE FROM ".$table.$conditions;
+ return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '');
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index f7d59284a..8b214ebe6 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -34,31 +34,7 @@
*/
class CI_DB_postgre_forge extends CI_DB_forge {
- /**
- * Create database
- *
- * @param string the database name
- * @return bool
- */
- public function _create_database($name)
- {
- return "CREATE DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Drop database
- *
- * @param string the database name
- * @return bool
- */
- public function _drop_database($name)
- {
- return "DROP DATABASE ".$name;
- }
-
- // --------------------------------------------------------------------
+ protected $_drop_table = 'DROP TABLE IF EXISTS %s CASCADE';
/**
* Process Fields
@@ -180,7 +156,7 @@ class CI_DB_postgre_forge extends CI_DB_forge {
* @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -234,19 +210,6 @@ class CI_DB_postgre_forge extends CI_DB_forge {
// --------------------------------------------------------------------
/**
- * Drop Table
- *
- * @param string table name
- * @return string
- */
- public function _drop_table($table)
- {
- return 'DROP TABLE IF EXISTS '.$this->db->escape_identifiers($table).' CASCADE';
- }
-
- // --------------------------------------------------------------------
-
- /**
* Alter table query
*
* Generates a platform-specific query so that a table can be altered
@@ -261,7 +224,7 @@ class CI_DB_postgre_forge extends CI_DB_forge {
* @param string the field after which we should add the new field
* @return string
*/
- public function _alter_table($alter_type, $table, $fields, $after_field = '')
+ protected function _alter_table($alter_type, $table, $fields, $after_field = '')
{
$sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
@@ -281,21 +244,6 @@ class CI_DB_postgre_forge extends CI_DB_forge {
return $sql;
}
- // --------------------------------------------------------------------
-
- /**
- * Rename a table
- *
- * Generates a platform-specific query so that a table can be renamed
- *
- * @param string the old table name
- * @param string the new table name
- * @return string
- */
- public function _rename_table($table_name, $new_table_name)
- {
- return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
- }
}
/* End of file postgre_forge.php */
diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index cf29201ff..c95e6df0c 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -34,43 +34,8 @@
*/
class CI_DB_postgre_utility extends CI_DB_utility {
- /**
- * List databases
- *
- * @return string
- */
- public function _list_databases()
- {
- return 'SELECT datname FROM pg_database';
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Optimize table query
- *
- * @param string the table name
- * @return string
- */
- public function _optimize_table($table)
- {
- return 'REINDEX TABLE '.$this->db->protect_identifiers($table);
- }
-
- // --------------------------------------------------------------------
-
- /**
- * Repair table query
- *
- * @param string the table name
- * @return bool
- */
- public function _repair_table($table)
- {
- return FALSE;
- }
-
- // --------------------------------------------------------------------
+ protected $_list_databases = 'SELECT datname FROM pg_database';
+ protected $_optimize_table = 'REINDEX TABLE %s';
/**
* Postgre Export
@@ -78,7 +43,7 @@ class CI_DB_postgre_utility extends CI_DB_utility {
* @param array Preferences
* @return mixed
*/
- public function _backup($params = array())
+ protected function _backup($params = array())
{
// Currently unsupported
return $this->db->display_error('db_unsuported_feature');