diff options
Diffstat (limited to 'system/database/drivers/interbase')
| -rw-r--r-- | system/database/drivers/interbase/interbase_driver.php | 178 | ||||
| -rw-r--r-- | system/database/drivers/interbase/interbase_result.php | 85 |
2 files changed, 84 insertions, 179 deletions
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index a9a647202..d8b6ae571 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Firebird/Interbase Database Adapter Class * @@ -56,8 +54,8 @@ class CI_DB_interbase_driver extends CI_DB { * database engines, so this string appears in each driver and is * used for the count_all() and count_all_results() functions. */ - protected $_count_string = "SELECT COUNT(*) AS "; - protected $_random_keyword = ' Random()'; // database specific random keyword + protected $_count_string = 'SELECT COUNT(*) AS '; + protected $_random_keyword = ' Random()'; // database specific random keyword // Keeps track of the resource for the current transaction protected $trans; @@ -87,21 +85,6 @@ class CI_DB_interbase_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Reconnect - * - * Keep / reestablish the db connection if no queries have been - * sent for a length of time exceeding the server's idle timeout - * - * @return void - */ - public function reconnect() - { - // not implemented in Interbase/Firebird - } - - // -------------------------------------------------------------------- - - /** * Select the database * * @return bool @@ -148,41 +131,20 @@ class CI_DB_interbase_driver extends CI_DB { */ protected function _execute($sql) { - $sql = $this->_prep_query($sql); return @ibase_query($this->conn_id, $sql); } // -------------------------------------------------------------------- /** - * Prep the query - * - * If needed, each database adapter can prep the query string - * - * @param string an SQL query - * @return string - */ - protected function _prep_query($sql) - { - return $sql; - } - - // -------------------------------------------------------------------- - - /** * Begin Transaction * * @return bool */ public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -190,7 +152,7 @@ class CI_DB_interbase_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); $this->trans = @ibase_trans($this->conn_id); @@ -206,13 +168,8 @@ class CI_DB_interbase_driver extends CI_DB { */ public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans->depth > 0) { return TRUE; } @@ -229,13 +186,8 @@ class CI_DB_interbase_driver extends CI_DB { */ public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -267,9 +219,9 @@ class CI_DB_interbase_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace( array('%', '_', $this->_like_escape_chr), - array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), - $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; @@ -280,7 +232,7 @@ class CI_DB_interbase_driver extends CI_DB { /** * Affected Rows * - * @return integer + * @return int */ public function affected_rows() { @@ -292,9 +244,9 @@ class CI_DB_interbase_driver extends CI_DB { /** * Insert ID * - * @param string $generator_name - * @param integer $inc_by - * @return integer + * @param string $generator_name + * @param int $inc_by + * @return int */ public function insert_id($generator_name, $inc_by=0) { @@ -326,9 +278,9 @@ class CI_DB_interbase_driver extends CI_DB { return 0; } - $row = $query->row(); + $query = $query->row(); $this->_reset_select(); - return (int) $row->numrows; + return (int) $query->numrows; } // -------------------------------------------------------------------- @@ -338,21 +290,18 @@ class CI_DB_interbase_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * - * @param boolean + * @param bool * @return string */ protected function _list_tables($prefix_limit = FALSE) { - $sql = <<<SQL - SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS" - WHERE "RDB\$RELATION_NAME" NOT LIKE 'RDB$%' - AND "RDB\$RELATION_NAME" NOT LIKE 'MON$%' -SQL; + $sql = 'SELECT "RDB$RELATION_NAME" FROM "RDB$RELATIONS" WHERE "RDB$RELATION_NAME" NOT LIKE \'RDB$%\' AND "RDB$RELATION_NAME" NOT LIKE \'MON$%\''; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix != '') { - $sql .= ' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return $sql.' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); } + return $sql; } @@ -368,10 +317,7 @@ SQL; */ protected function _list_columns($table = '') { - return <<<SQL - SELECT "RDB\$FIELD_NAME" FROM "RDB\$RELATION_FIELDS" - WHERE "RDB\$RELATION_NAME"='{$table}'; -SQL; + return 'SELECT "RDB$FIELD_NAME" FROM "RDB$RELATION_FIELDS" WHERE "RDB$RELATION_NAME" = \''.$this->escape_str($table)."'"; } // -------------------------------------------------------------------- @@ -382,14 +328,14 @@ SQL; * 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($table) { // Need to find a more efficient way to do this // but Interbase/Firebird seems to lack the // limit clause - return "SELECT * FROM {$table}"; + return 'SELECT * FROM '.$table; } // -------------------------------------------------------------------- @@ -423,24 +369,20 @@ SQL; { if (strpos($item, '.'.$id) !== FALSE) { - $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + $item = str_replace('.', $this->_escape_char.'.', $item); // remove duplicates if the user already included the escape - return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item); } } if (strpos($item, '.') !== FALSE) { - $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; - } - else - { - $str = $this->_escape_char.$item.$this->_escape_char; + $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item); } // remove duplicates if the user already included the escape - return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char); } // -------------------------------------------------------------------- @@ -451,8 +393,8 @@ SQL; * This public function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * - * @param type - * @return type + * @param array + * @return string */ protected function _from_tables($tables) { @@ -479,7 +421,7 @@ SQL; */ protected function _insert($table, $keys, $values) { - return "INSERT INTO {$table} (".implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -500,20 +442,14 @@ SQL; { foreach ($values as $key => $val) { - $valstr[] = $key." = ".$val; + $valstr[] = $key.' = '.$val; } //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; - - $sql = "UPDATE {$table} SET ".implode(', ', $valstr); - - $sql .= ($where != '' AND count($where) >=1) ? ' WHERE '.implode(' ', $where) : ''; - - $sql .= $orderby; - - return $sql; + return 'UPDATE '.$table.' SET '.implode(', ', $valstr) + .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '') + .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : ''); } @@ -548,23 +484,20 @@ SQL; */ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { - $conditions = ''; - if (count($where) > 0 OR count($like) > 0) { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); + $conditions = "\nWHERE ".implode("\n", $where) + .((count($where) > 0 && count($like) > 0) ? ' AND ' : '') + .implode("\n", $like); + } + else + { + $conditions = ''; } //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - return "DELETE FROM {$table}{$conditions}"; + return 'DELETE FROM '.$table.' '.$conditions; } // -------------------------------------------------------------------- @@ -575,36 +508,25 @@ SQL; * Generates a platform-specific LIMIT clause * * @param string the sql query string - * @param integer the number of rows to limit the query to - * @param integer the offset value + * @param int the number of rows to limit the query to + * @param int the offset value * @return string */ protected function _limit($sql, $limit, $offset) { - // Keep the current sql string safe for a moment - $orig_sql = $sql; - // Limit clause depends on if Interbase or Firebird if (stripos($this->version(), 'firebird') !== FALSE) { - $sql = 'FIRST '. (int) $limit; - - if ($offset > 0) - { - $sql .= ' SKIP '. (int) $offset; - } + $select = 'FIRST '. (int) $limit + .($offset > 0 ? ' SKIP '. (int) $offset : ''); } else { - $sql = 'ROWS ' . (int) $limit; - - if ($offset > 0) - { - $sql = 'ROWS '. (int) $offset . ' TO ' . ($limit + $offset); - } + $select = 'ROWS ' + .($offset > 0 ? (int) $offset.' TO '.($limit + $offset) : (int) $limit); } - return preg_replace('`SELECT`i', "SELECT {$sql}", $orig_sql); + return preg_replace('`SELECT`i', 'SELECT '.$select, $sql); } // -------------------------------------------------------------------- @@ -623,4 +545,4 @@ SQL; } /* End of file interbase_driver.php */ -/* Location: ./system/database/drivers/interbase/interbase_driver.php */ +/* Location: ./system/database/drivers/interbase/interbase_driver.php */
\ No newline at end of file diff --git a/system/database/drivers/interbase/interbase_result.php b/system/database/drivers/interbase/interbase_result.php index 5bf0c902d..fd4178dec 100644 --- a/system/database/drivers/interbase/interbase_result.php +++ b/system/database/drivers/interbase/interbase_result.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Interbase/Firebird Result Class * @@ -43,18 +41,18 @@ class CI_DB_interbase_result extends CI_DB_result { /** * Number of rows in the result set * - * @return integer + * @return int */ public function num_rows() { - if( ! is_null($this->num_rows)) + if (is_int($this->num_rows)) { return $this->num_rows; } - - //Get the results so that you can get an accurate rowcount + + // Get the results so that you can get an accurate rowcount $this->result(); - + return $this->num_rows; } @@ -63,7 +61,7 @@ class CI_DB_interbase_result extends CI_DB_result { /** * Number of fields in the result set * - * @return integer + * @return int */ public function num_fields() { @@ -102,20 +100,17 @@ class CI_DB_interbase_result extends CI_DB_result { */ public function field_data() { - $retval = array(); - for ($i = 0, $num_fields = $this->num_fields(); $i < $num_fields; $i++) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { $info = ibase_field_info($this->result_id, $i); - - $F = new stdClass(); - $F->name = $info['name']; - $F->type = $info['type']; - $F->max_length = $info['length']; - $F->primary_key = 0; - $F->default = ''; - - $retval[] = $F; + + $retval[$i] = new stdClass(); + $retval[$i]->name = $info['name']; + $retval[$i]->type = $info['type']; + $retval[$i]->max_length = $info['length']; + $retval[$i]->primary_key = 0; + $retval[$i]->default = ''; } return $retval; @@ -126,7 +121,7 @@ class CI_DB_interbase_result extends CI_DB_result { /** * Free the result * - * @return null + * @return void */ public function free_result() { @@ -138,7 +133,7 @@ class CI_DB_interbase_result extends CI_DB_result { /** * Data Seek * - * Moves the internal pointer to the desired offset. We call + * Moves the internal pointer to the desired offset. We call * this internally before fetching results to make sure the * result set starts at zero * @@ -146,11 +141,8 @@ class CI_DB_interbase_result extends CI_DB_result { */ protected function _data_seek($n = 0) { - //Set the row count to 0 - $this->num_rows = 0; - - //Interbase driver doesn't implement a suitable function - return FALSE; + // Interbase driver doesn't implement a suitable function + return FALSE; } // -------------------------------------------------------------------- @@ -169,7 +161,7 @@ class CI_DB_interbase_result extends CI_DB_result { //Increment row count $this->num_rows++; } - + return $row; } @@ -189,10 +181,10 @@ class CI_DB_interbase_result extends CI_DB_result { //Increment row count $this->num_rows++; } - + return $row; } - + // -------------------------------------------------------------------- /** @@ -202,29 +194,20 @@ class CI_DB_interbase_result extends CI_DB_result { */ public function result_object() { - if (count($this->result_object) > 0) + if (count($this->result_object) === $this->num_rows) { return $this->result_object; } - - // Convert result array to object so that + + // Convert result array to object so that // We don't have to get the result again - if (count($this->result_array) > 0) + if (($c = count($this->result_array)) > 0) { - $i = 0; - - foreach ($this->result_array as $array) + for ($i = 0; $i < $c; $i++) { - $this->result_object[$i] = new StdClass(); - - foreach ($array as $key => $val) - { - $this->result_object[$i]->{$key} = $val; - } - - ++$i; + $this->result_object[$i] = (object) $this->result_array[$i]; } - + return $this->result_object; } @@ -254,20 +237,20 @@ class CI_DB_interbase_result extends CI_DB_result { */ public function result_array() { - if (count($this->result_array) > 0) + if (count($this->result_array) === $this->num_rows) { return $this->result_array; } - + // Since the object and array are really similar, just case // the result object to an array if need be - if (count($this->result_object) > 0) + if (($c = count($this->result_object)) > 0) { - foreach ($this->result_object as $obj) + for ($i = 0; $i < $c; $i++) { - $this->result_array[] = (array) $obj; + $this->result_array[$i] = (array) $this->result_object[$i]; } - + return $this->result_array; } |