| // +----------------------------------------------------------------------+ // // $Id$ // require_once 'MDB2/Driver/Reverse/Common.php'; /** * MDB2 Oracle driver for the schema reverse engineering module * * @package MDB2 * @category Database * @author Lukas Smith */ class MDB2_Driver_Reverse_oci8 extends MDB2_Driver_Reverse_Common { // }}} // {{{ tableInfo() /** * Returns information about a table or a result set * * NOTE: only supports 'table' and 'flags' if $result * is a table name. * * NOTE: flags won't contain index information. * * @param object|string $result MDB2_result object from a query or a * string containing the name of a table. * While this also accepts a query result * resource identifier, this behavior is * deprecated. * @param int $mode a valid tableInfo mode * * @return array an associative array with the information requested. * A MDB2_Error object on failure. * * @see MDB2_Driver_Common::tableInfo() */ function tableInfo($result, $mode = null) { $db =& $this->getDBInstance(); if (PEAR::isError($db)) { return $db; } if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) { if ($db->options['field_case'] == CASE_LOWER) { $case_func = 'strtolower'; } else { $case_func = 'strtoupper'; } } else { $case_func = 'strval'; } $res = array(); if (is_string($result)) { /* * Probably received a table name. * Create a result resource identifier. */ $result = strtoupper($result); $query = 'SELECT column_name, data_type, data_length, ' . 'nullable ' . 'FROM user_tab_columns ' . "WHERE table_name='$result' ORDER BY column_id"; $stmt = $db->_doQuery($query); if (PEAR::isError($stmt)) { return $stmt; } $i = 0; while (@OCIFetch($stmt)) { $res[$i] = array( 'table' => $case_func($result), 'name' => $case_func(@OCIResult($stmt, 1)), 'type' => @OCIResult($stmt, 2), 'len' => @OCIResult($stmt, 3), 'flags' => (@OCIResult($stmt, 4) == 'N') ? 'not_null' : '', ); if ($mode & MDB2_TABLEINFO_ORDER) { $res['order'][$res[$i]['name']] = $i; } if ($mode & MDB2_TABLEINFO_ORDERTABLE) { $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; } $i++; } if ($mode) { $res['num_fields'] = $i; } @OCIFreeStatement($stmt); } else { if (MDB2::isResultCommon($result)) { /* * Probably received a result object. * Extract the result resource identifier. */ $result = $result->getResource(); } $res = array(); if ($result === $db->last_stmt) { $count = @OCINumCols($result); if ($mode) { $res['num_fields'] = $count; } for ($i = 0; $i < $count; $i++) { $res[$i] = array( 'table' => '', 'name' => $case_func(@OCIColumnName($result, $i+1)), 'type' => @OCIColumnType($result, $i+1), 'len' => @OCIColumnSize($result, $i+1), 'flags' => '', ); if ($mode & MDB2_TABLEINFO_ORDER) { $res['order'][$res[$i]['name']] = $i; } if ($mode & MDB2_TABLEINFO_ORDERTABLE) { $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i; } } } else { return $db->raiseError(MDB2_ERROR_NOT_CAPABLE); } } return $res; } } ?>