From 46563d570944d6c5af8b4f46ba1eeca111eabaa4 Mon Sep 17 00:00:00 2001 From: admin Date: Sun, 24 Sep 2006 18:14:22 +0000 Subject: --- system/database/drivers/postgre/postgre.php | 484 ---------------------------- 1 file changed, 484 deletions(-) delete mode 100644 system/database/drivers/postgre/postgre.php (limited to 'system/database/drivers/postgre') diff --git a/system/database/drivers/postgre/postgre.php b/system/database/drivers/postgre/postgre.php deleted file mode 100644 index 317df37d1..000000000 --- a/system/database/drivers/postgre/postgre.php +++ /dev/null @@ -1,484 +0,0 @@ -port == '') ? '' : " port=".$this->port; - - return pg_connect("host=".$this->hostname.$port." dbname=".$this->database." user=".$this->username." password=".$this->password); - } - - // -------------------------------------------------------------------- - - /** - * Persistent database connection - * - * @access private called by the base class - * @return resource - */ - function db_pconnect() - { - $port = ($this->port == '') ? '' : " port=".$this->port; - - return pg_pconnect("host=".$this->hostname.$port." dbname=".$this->database." user=".$this->username." password=".$this->password); - } - - // -------------------------------------------------------------------- - - /** - * Select the database - * - * @access private called by the base class - * @return resource - */ - function db_select() - { - // Not needed for Postgre so we'll return TRUE - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Execute the query - * - * @access private called by the base class - * @param string an SQL query - * @return resource - */ - function _execute($sql) - { - $sql = $this->_prep_query($sql); - return @pg_query($this->conn_id, $sql); - } - - // -------------------------------------------------------------------- - - /** - * Prep the query - * - * If needed, each database adapter can prep the query string - * - * @access private called by execute() - * @param string an SQL query - * @return string - */ - function _prep_query($sql) - { - return $sql; - } - - // -------------------------------------------------------------------- - - /** - * Begin Transaction - * - * @access public - * @return bool - */ - function trans_begin($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) - { - return TRUE; - } - - // 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; - - return @pg_exec($this->conn_id, "begin"); - } - - // -------------------------------------------------------------------- - - /** - * Commit Transaction - * - * @access public - * @return bool - */ - 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) - { - return TRUE; - } - - return @pg_exec($this->conn_id, "commit"); - } - - // -------------------------------------------------------------------- - - /** - * Rollback Transaction - * - * @access public - * @return bool - */ - 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) - { - return TRUE; - } - - return @pg_exec($this->conn_id, "rollback"); - } - - // -------------------------------------------------------------------- - - /** - * Escape String - * - * @access public - * @param string - * @return string - */ - function escape_str($str) - { - return pg_escape_string($str); - } - - // -------------------------------------------------------------------- - - /** - * Affected Rows - * - * @access public - * @return integer - */ - function affected_rows() - { - return @pg_affected_rows($this->result_id); - } - - // -------------------------------------------------------------------- - - /** - * Insert ID - * - * @access public - * @return integer - */ - function insert_id() - { - $v = pg_version($this->conn_id); - $v = $v['server']; - - $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", $row->seq); - } - elseif ($table != null) - { - // seq_name passed in table parameter - $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table); - } - else - { - return pg_last_oid($this->result_id); - } - $query = $this->query($sql); - $row = $query->row(); - return $row->ins_id; - } - - // -------------------------------------------------------------------- - - /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @access public - * @param string - * @return string - */ - function count_all($table = '') - { - if ($table == '') - return '0'; - - $query = $this->query('SELECT COUNT(*) AS numrows FROM "'.$this->dbprefix.$table.'"'); - - if ($query->num_rows() == 0) - return '0'; - - $row = $query->row(); - return $row->numrows; - } - - // -------------------------------------------------------------------- - - /** - * The error message string - * - * @access public - * @return string - */ - function error_message() - { - return pg_last_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number - * - * @access public - * @return integer - */ - function error_number() - { - return ''; - } - - // -------------------------------------------------------------------- - - /** - * Escape Table Name - * - * This function adds backticks if the table name has a period - * in it. Some DBs will get cranky unless periods are escaped. - * - * @access public - * @param string the table name - * @return string - */ - function escape_table($table) - { - if (stristr($table, '.')) - { - $table = '"'.preg_replace("/\./", '"."', $table).'"'; - } - - return $table; - } - - // -------------------------------------------------------------------- - - /** - * Field data query - * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public - * @param string the table name - * @return object - */ - function _field_data($table) - { - $sql = "SELECT * FROM ".$this->escape_table($table)." LIMIT 1"; - $query = $this->query($sql); - return $query->field_data(); - } - - // -------------------------------------------------------------------- - - /** - * Insert statement - * - * Generates a platform-specific insert string from the supplied data - * - * @access public - * @param string the table name - * @param array the insert keys - * @param array the insert values - * @return string - */ - function _insert($table, $keys, $values) - { - return "INSERT INTO ".$this->escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; - } - - // -------------------------------------------------------------------- - - /** - * Update statement - * - * Generates a platform-specific update string from the supplied data - * - * @access public - * @param string the table name - * @param array the update data - * @param array the where clause - * @return string - */ - function _update($table, $values, $where) - { - foreach($values as $key => $val) - { - $valstr[] = $key." = ".$val; - } - - return "UPDATE ".$this->escape_table($table)." SET ".implode(', ', $valstr)." WHERE ".implode(" ", $where); - } - - // -------------------------------------------------------------------- - - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @access public - * @param string the table name - * @param array the where clause - * @return string - */ - function _delete($table, $where) - { - return "DELETE FROM ".$this->escape_table($table)." WHERE ".implode(" ", $where); - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - /** - * Show table query - * - * Generates a platform-specific query string so that the table names can be fetched - * - * @access public - * @return string - */ - function _show_tables() - { - return "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; - } - - // -------------------------------------------------------------------- - - /** - * Show columnn query - * - * Generates a platform-specific query string so that the column names can be fetched - * - * @access public - * @param string the table name - * @return string - */ - function _show_columns($table = '') - { - return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$this->escape_table($table)."'"; - } - - // -------------------------------------------------------------------- - - /** - * Limit string - * - * Generates a platform-specific LIMIT clause - * - * @access public - * @param string the sql query string - * @param integer the number of rows to limit the query to - * @param integer the offset value - * @return string - */ - function _limit($sql, $limit, $offset) - { - $sql .= "LIMIT ".$limit; - - if ($offset > 0) - { - $sql .= " OFFSET ".$offset; - } - - return $sql; - } - - // -------------------------------------------------------------------- - - /** - * Close DB Connection - * - * @access public - * @param resource - * @return void - */ - function _close($conn_id) - { - pg_close($conn_id); - } - -} - -?> \ No newline at end of file -- cgit v1.2.3-24-g4f1b