Merge upstream branch
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index 14259be..2a84284 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -164,8 +164,8 @@
/**
* Set client character set
*
- * @param string
- * @return bool
+ * @param string
+ * @return bool
*/
protected function _db_set_charset($charset)
{
@@ -219,6 +219,7 @@
/**
* Begin Transaction
*
+ * @param bool
* @return bool
*/
public function trans_begin($test_mode = FALSE)
@@ -234,7 +235,7 @@
// 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 @@
return TRUE;
}
- return @pg_query($this->conn_id, 'COMMIT');
+ return (bool) @pg_query($this->conn_id, 'COMMIT');
}
// --------------------------------------------------------------------
@@ -270,7 +271,7 @@
return TRUE;
}
- return @pg_query($this->conn_id, 'ROLLBACK');
+ return (bool) @pg_query($this->conn_id, 'ROLLBACK');
}
// --------------------------------------------------------------------
@@ -328,34 +329,41 @@
*/
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 @@
return 0;
}
- $row = $query->row();
+ $query = $query->row();
$this->_reset_select();
- return (int) $row->numrows;
+ return (int) $query->numrows;
}
// --------------------------------------------------------------------
@@ -401,9 +409,9 @@
{
$sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
- if ($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 $sql;
@@ -421,7 +429,7 @@
*/
protected function _list_columns($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 @@
* 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 '.$table.' LIMIT 1';
}
// --------------------------------------------------------------------
@@ -520,7 +528,7 @@
* @param string the limit clause (ignored)
* @return string
*/
- protected function _delete($table, $where = array(), $like = array(), $limit = FALSE)
+ protected function _delete($table, $where = array(), $like = array())
{
$conditions = array();
@@ -531,6 +539,7 @@
}
// --------------------------------------------------------------------
+
/**
* Limit string
*
@@ -543,14 +552,7 @@
*/
protected function _limit($sql, $limit, $offset)
{
- $sql .= "LIMIT ".$limit;
-
- if ($offset > 0)
- {
- $sql .= " OFFSET ".$offset;
- }
-
- return $sql;
+ return $sql.' LIMIT '.$limit.($offset == 0 ? '' : ' OFFSET '.$offset);
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index 8b214eb..94c97af 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -42,7 +42,7 @@
* @param mixed the fields
* @return string
*/
- protected function _process_fields($fields, $primary_keys=array())
+ protected function _process_fields($fields, $primary_keys = array())
{
$sql = '';
$current_field_count = 0;
@@ -54,15 +54,14 @@
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
- $attributes = array_change_key_case($attributes, CASE_UPPER);
-
$sql .= "\n\t".$this->db->protect_identifiers($field);
- $is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE);
+ $attributes = array_change_key_case($attributes, CASE_UPPER);
+ $is_unsigned = ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE);
// Convert datatypes to be PostgreSQL-compatible
switch (strtoupper($attributes['TYPE']))
@@ -94,44 +93,24 @@
case 'BLOB':
$attributes['TYPE'] = 'BYTEA';
break;
+ default:
+ break;
}
// If this is an auto-incrementing primary key, use the serial data type instead
- if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes)
- && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' SERIAL';
- }
- else
- {
- $sql .= ' '.$attributes['TYPE'];
- }
+ $sql .= (in_array($field, $primary_keys) && ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE)
+ ? ' SERIAL' : ' '.$attributes['TYPE'];
// Modified to prevent constraints with integer data types
- if (array_key_exists('CONSTRAINT', $attributes) && strpos($attributes['TYPE'], 'INT') === false)
+ if ( ! empty($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') === FALSE)
{
$sql .= '('.$attributes['CONSTRAINT'].')';
}
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
-
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- // Added new attribute to create unqite fields. Also works with MySQL
- if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE)
- {
- $sql .= ' UNIQUE';
- }
+ $sql .= (isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
+ .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
+ // Added new attribute to create unqite fields. Also works with MySQL
+ .(( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE) ? ' UNIQUE' : '');
}
// don't add a comma on the end of the last field
@@ -179,7 +158,7 @@
$primary_keys[$index] = $this->db->protect_identifiers($key);
}
- $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")";
+ $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')';
}
$sql .= "\n);";
@@ -199,7 +178,7 @@
foreach ($key as $field)
{
- $sql .= "CREATE INDEX " . $table . "_" . str_replace(array('"', "'"), '', $field) . "_index ON $table ($field); ";
+ $sql .= 'CREATE INDEX '.$table.'_'.str_replace(array('"', "'"), '', $field).'_index ON '.$table.' ('.$field.'); ';
}
}
}
@@ -220,7 +199,7 @@
* @param string the table name
* @param string the column definition
* @param string the default value
- * @param boolean should 'NOT NULL' be added
+ * @param bool should 'NOT NULL' be added
* @param string the field after which we should add the new field
* @return string
*/
@@ -229,19 +208,13 @@
$sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($alter_type === 'DROP')
{
return $sql.$this->db->protect_identifiers($fields);
}
- $sql .= $this->_process_fields($fields);
-
- if ($after_field != '')
- {
- return $sql.' AFTER '.$this->db->protect_identifiers($after_field);
- }
-
- return $sql;
+ return $sql.$this->_process_fields($fields)
+ .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : '');
}
}