diff options
Diffstat (limited to 'system/database/DB_result.php')
| -rw-r--r-- | system/database/DB_result.php | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/system/database/DB_result.php b/system/database/DB_result.php index 04f964fb1..991f6ba94 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -57,7 +57,7 @@ class CI_DB_result { * Query result. Acts as a wrapper function for the following functions. * * @param string can be "object" or "array" - * @return mixed either a result object or array + * @return object */ public function result($type = 'object') { @@ -81,7 +81,7 @@ class CI_DB_result { return $this->custom_result_object[$class_name]; } - if ($this->result_id === FALSE OR $this->num_rows() == 0) + if ($this->result_id === FALSE OR $this->num_rows() === 0) { return array(); } @@ -108,9 +108,9 @@ class CI_DB_result { // -------------------------------------------------------------------- /** - * Query result. "object" version. + * Query result. "object" version. * - * @return object + * @return array */ public function result_object() { @@ -122,7 +122,7 @@ class CI_DB_result { // In the event that query caching is on the result_id variable // will return FALSE since there isn't a valid SQL resource so // we'll simply return an empty array. - if ($this->result_id === FALSE OR $this->num_rows() == 0) + if ($this->result_id === FALSE OR $this->num_rows() === 0) { return array(); } @@ -153,7 +153,7 @@ class CI_DB_result { // In the event that query caching is on the result_id variable // will return FALSE since there isn't a valid SQL resource so // we'll simply return an empty array. - if ($this->result_id === FALSE OR $this->num_rows() == 0) + if ($this->result_id === FALSE OR $this->num_rows() === 0) { return array(); } @@ -224,7 +224,7 @@ class CI_DB_result { return; } - if ($key != '' AND ! is_null($value)) + if ($key !== '' && ! is_null($value)) { $this->row_data[$key] = $value; } @@ -242,10 +242,10 @@ class CI_DB_result { $result = $this->custom_result_object($type); if (count($result) === 0) { - return $result; + return NULL; } - if ($n != $this->current_row AND isset($result[$n])) + if ($n !== $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -253,6 +253,8 @@ class CI_DB_result { return $result[$this->current_row]; } + // -------------------------------------------------------------------- + /** * Returns a single result row - object version * @@ -263,10 +265,10 @@ class CI_DB_result { $result = $this->result_object(); if (count($result) === 0) { - return $result; + return NULL; } - if ($n != $this->current_row AND isset($result[$n])) + if ($n !== $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -286,10 +288,10 @@ class CI_DB_result { $result = $this->result_array(); if (count($result) === 0) { - return $result; + return NULL; } - if ($n != $this->current_row AND isset($result[$n])) + if ($n !== $this->current_row && isset($result[$n])) { $this->current_row = $n; } @@ -297,7 +299,6 @@ class CI_DB_result { return $result[$this->current_row]; } - // -------------------------------------------------------------------- /** @@ -308,7 +309,7 @@ class CI_DB_result { public function first_row($type = 'object') { $result = $this->result($type); - return (count($result) === 0) ? $result : $result[0]; + return (count($result) === 0) ? NULL : $result[0]; } // -------------------------------------------------------------------- @@ -321,7 +322,7 @@ class CI_DB_result { public function last_row($type = 'object') { $result = $this->result($type); - return (count($result) === 0) ? $result : $result[count($result) - 1]; + return (count($result) === 0) ? NULL : $result[count($result) - 1]; } // -------------------------------------------------------------------- @@ -336,7 +337,7 @@ class CI_DB_result { $result = $this->result($type); if (count($result) === 0) { - return $result; + return NULL; } if (isset($result[$this->current_row + 1])) @@ -359,7 +360,7 @@ class CI_DB_result { $result = $this->result($type); if (count($result) === 0) { - return $result; + return NULL; } if (isset($result[$this->current_row - 1])) @@ -372,11 +373,23 @@ class CI_DB_result { // -------------------------------------------------------------------- /** + * Returns an unbuffered row and move pointer to next row + * + * @return mixed either a result object or array + */ + public function unbuffered_row($type = 'object') + { + return ($type !== 'array') ? $this->_fetch_object() : $this->_fetch_assoc(); + } + + // -------------------------------------------------------------------- + + /** * The following functions are normally overloaded by the identically named * methods in the platform-specific driver -- except when query caching - * is used. When caching is enabled we do not load the other driver. + * is used. When caching is enabled we do not load the other driver. * These functions are primarily here to prevent undefined function errors - * when a cached result object is in use. They are not otherwise fully + * when a cached result object is in use. They are not otherwise fully * operational due to the unavailability of the database resource IDs with * cached results. */ @@ -384,8 +397,8 @@ class CI_DB_result { public function num_fields() { return 0; } public function list_fields() { return array(); } public function field_data() { return array(); } - public function free_result() { return TRUE; } - protected function _data_seek() { return TRUE; } + public function free_result() { $this->result_id = FALSE; } + protected function _data_seek() { return FALSE; } protected function _fetch_assoc() { return array(); } protected function _fetch_object() { return array(); } |