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-rw-r--r--system/database/drivers/postgre/postgre_driver.php114
1 files changed, 56 insertions, 58 deletions
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 1e96452b4..84bf768ee 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -29,7 +29,7 @@
* Postgre Database Adapter Class
*
* Note: _DB is an extender class that the app controller
- * creates dynamically based on whether the active record
+ * creates dynamically based on whether the query builder
* class is being used or not.
*
* @package CodeIgniter
@@ -164,8 +164,8 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Set client character set
*
- * @param string
- * @return bool
+ * @param string
+ * @return bool
*/
protected function _db_set_charset($charset)
{
@@ -219,6 +219,7 @@ class CI_DB_postgre_driver extends CI_DB {
/**
* Begin Transaction
*
+ * @param bool
* @return bool
*/
public function trans_begin($test_mode = FALSE)
@@ -234,7 +235,7 @@ class CI_DB_postgre_driver extends CI_DB {
// even if the queries produce a successful result.
$this->_trans_failure = ($test_mode === TRUE);
- return @pg_query($this->conn_id, 'BEGIN');
+ return (bool) @pg_query($this->conn_id, 'BEGIN');
}
// --------------------------------------------------------------------
@@ -252,7 +253,7 @@ class CI_DB_postgre_driver extends CI_DB {
return TRUE;
}
- return @pg_query($this->conn_id, 'COMMIT');
+ return (bool) @pg_query($this->conn_id, 'COMMIT');
}
// --------------------------------------------------------------------
@@ -270,7 +271,7 @@ class CI_DB_postgre_driver extends CI_DB {
return TRUE;
}
- return @pg_query($this->conn_id, 'ROLLBACK');
+ return (bool) @pg_query($this->conn_id, 'ROLLBACK');
}
// --------------------------------------------------------------------
@@ -328,34 +329,41 @@ class CI_DB_postgre_driver extends CI_DB {
*/
public function insert_id()
{
- $v = $this->version();
+ $v = pg_version($this->conn_id);
+ $v = isset($v['server']) ? $v['server'] : 0; // 'server' key is only available since PosgreSQL 7.4
- $table = func_num_args() > 0 ? func_get_arg(0) : NULL;
- $column = func_num_args() > 1 ? func_get_arg(1) : NULL;
+ $table = (func_num_args() > 0) ? func_get_arg(0) : NULL;
+ $column = (func_num_args() > 1) ? func_get_arg(1) : NULL;
if ($table == NULL && $v >= '8.1')
{
- $sql='SELECT LASTVAL() as ins_id';
- }
- elseif ($table != NULL && $column != NULL && $v >= '8.0')
- {
- $sql = sprintf("SELECT pg_get_serial_sequence('%s','%s') as seq", $table, $column);
- $query = $this->query($sql);
- $row = $query->row();
- $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $row->seq);
+ $sql = 'SELECT LASTVAL() AS ins_id';
}
elseif ($table != NULL)
{
- // seq_name passed in table parameter
- $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table);
+ if ($column != NULL && $v >= '8.0')
+ {
+ $sql = 'SELECT pg_get_serial_sequence(\''.$table."', '".$column."') AS seq";
+ $query = $this->query($sql);
+ $query = $query->row();
+ $seq = $query->seq;
+ }
+ else
+ {
+ // seq_name passed in table parameter
+ $seq = $table;
+ }
+
+ $sql = 'SELECT CURRVAL(\''.$seq."') AS ins_id";
}
else
{
return pg_last_oid($this->result_id);
}
+
$query = $this->query($sql);
- $row = $query->row();
- return $row->ins_id;
+ $query = $query->row();
+ return (int) $query->ins_id;
}
// --------------------------------------------------------------------
@@ -382,9 +390,9 @@ class CI_DB_postgre_driver extends CI_DB {
return 0;
}
- $row = $query->row();
+ $query = $query->row();
$this->_reset_select();
- return (int) $row->numrows;
+ return (int) $query->numrows;
}
// --------------------------------------------------------------------
@@ -401,9 +409,9 @@ class CI_DB_postgre_driver extends CI_DB {
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
- if ($prefix_limit !== FALSE AND $this->dbprefix != '')
+ if ($prefix_limit !== FALSE && $this->dbprefix != '')
{
- $sql .= " AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
+ return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr);
}
return $sql;
@@ -421,7 +429,7 @@ class CI_DB_postgre_driver extends CI_DB {
*/
protected function _list_columns($table = '')
{
- return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'";
+ return "SELECT column_name FROM information_schema.columns WHERE table_name = '".$table."'";
}
// --------------------------------------------------------------------
@@ -432,11 +440,11 @@ class CI_DB_postgre_driver extends CI_DB {
* Generates a platform-specific query so that the column data can be retrieved
*
* @param string the table name
- * @return object
+ * @return string
*/
protected function _field_data($table)
{
- return "SELECT * FROM ".$table." LIMIT 1";
+ return 'SELECT * FROM '.$table.' LIMIT 1';
}
// --------------------------------------------------------------------
@@ -485,22 +493,26 @@ class CI_DB_postgre_driver extends CI_DB {
* @param string the table name
* @param array the update data
* @param array the where clause
- * @param array the orderby clause
- * @param array the limit clause
+ * @param array the orderby clause (ignored)
+ * @param array the limit clause (ignored)
+ * @param array the like clause
* @return string
*/
- protected function _update($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;
}
// --------------------------------------------------------------------
@@ -512,29 +524,22 @@ 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 ', $conditions) : '');
}
// --------------------------------------------------------------------
+
/**
* Limit string
*
@@ -547,14 +552,7 @@ class CI_DB_postgre_driver extends CI_DB {
*/
protected function _limit($sql, $limit, $offset)
{
- $sql .= "LIMIT ".$limit;
-
- if ($offset > 0)
- {
- $sql .= " OFFSET ".$offset;
- }
-
- return $sql;
+ return $sql.' LIMIT '.$limit.($offset == 0 ? '' : ' OFFSET '.$offset);
}
// --------------------------------------------------------------------
@@ -573,4 +571,4 @@ class CI_DB_postgre_driver extends CI_DB {
}
/* End of file postgre_driver.php */
-/* Location: ./system/database/drivers/postgre/postgre_driver.php */ \ No newline at end of file
+/* Location: ./system/database/drivers/postgre/postgre_driver.php */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-05 07:13:37 +0100