/** * Outputs the content of a table in SQL format * * @param string $db database name * @param string $table table name * @param string $crlf the end of line sequence * @param string $error_url the url to go back in case of error * @param string $sql_query SQL query for obtaining data * * @return bool Whether it succeeded */ public function exportData($db, $table, $crlf, $error_url, $sql_query) { global $current_row, $sql_backquotes; if (isset($GLOBALS['sql_compatibility'])) { $compat = $GLOBALS['sql_compatibility']; } else { $compat = 'NONE'; } $formatted_table_name = isset($GLOBALS['sql_backquotes']) ? PMA_Util::backquoteCompat($table, $compat) : '\'' . $table . '\''; // Do not export data for a VIEW // (For a VIEW, this is called only when exporting a single VIEW) if (PMA_Table::isView($db, $table)) { $head = $this->_possibleCRLF() . $this->_exportComment() . $this->_exportComment('VIEW ' . ' ' . $formatted_table_name) . $this->_exportComment(__('Data') . ': ' . __('None')) . $this->_exportComment() . $this->_possibleCRLF(); if (!PMA_exportOutputHandler($head)) { return false; } return true; } // analyze the query to get the true column names, not the aliases // (this fixes an undefined index, also if Complete inserts // are used, we did not get the true column name in case of aliases) $analyzed_sql = PMA_SQP_analyze(PMA_SQP_parse($sql_query)); $result = PMA_DBI_try_query($sql_query, null, PMA_DBI_QUERY_UNBUFFERED); // a possible error: the table has crashed $tmp_error = PMA_DBI_getError(); if ($tmp_error) { return PMA_exportOutputHandler($this->_exportComment(__('Error reading data:') . ' (' . $tmp_error . ')')); } if ($result != false) { $fields_cnt = PMA_DBI_num_fields($result); // Get field information $fields_meta = PMA_DBI_get_fields_meta($result); $field_flags = array(); for ($j = 0; $j < $fields_cnt; $j++) { $field_flags[$j] = PMA_DBI_field_flags($result, $j); } for ($j = 0; $j < $fields_cnt; $j++) { if (isset($analyzed_sql[0]['select_expr'][$j]['column'])) { $field_set[$j] = PMA_Util::backquoteCompat($analyzed_sql[0]['select_expr'][$j]['column'], $compat, $sql_backquotes); } else { $field_set[$j] = PMA_Util::backquoteCompat($fields_meta[$j]->name, $compat, $sql_backquotes); } } if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') { // update $schema_insert = 'UPDATE '; if (isset($GLOBALS['sql_ignore'])) { $schema_insert .= 'IGNORE '; } // avoid EOL blank $schema_insert .= PMA_Util::backquoteCompat($table, $compat, $sql_backquotes) . ' SET'; } else { // insert or replace if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'REPLACE') { $sql_command = 'REPLACE'; } else { $sql_command = 'INSERT'; } // delayed inserts? if (isset($GLOBALS['sql_delayed'])) { $insert_delayed = ' DELAYED'; } else { $insert_delayed = ''; } // insert ignore? if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'INSERT' && isset($GLOBALS['sql_ignore'])) { $insert_delayed .= ' IGNORE'; } //truncate table before insert if (isset($GLOBALS['sql_truncate']) && $GLOBALS['sql_truncate'] && $sql_command == 'INSERT') { $truncate = 'TRUNCATE TABLE ' . PMA_Util::backquoteCompat($table, $compat, $sql_backquotes) . ";"; $truncatehead = $this->_possibleCRLF() . $this->_exportComment() . $this->_exportComment(__('Truncate table before insert') . ' ' . $formatted_table_name) . $this->_exportComment() . $crlf; PMA_exportOutputHandler($truncatehead); PMA_exportOutputHandler($truncate); } else { $truncate = ''; } // scheme for inserting fields if ($GLOBALS['sql_insert_syntax'] == 'complete' || $GLOBALS['sql_insert_syntax'] == 'both') { $fields = implode(', ', $field_set); $schema_insert = $sql_command . $insert_delayed . ' INTO ' . PMA_Util::backquoteCompat($table, $compat, $sql_backquotes) . ' (' . $fields . ') VALUES'; } else { $schema_insert = $sql_command . $insert_delayed . ' INTO ' . PMA_Util::backquoteCompat($table, $compat, $sql_backquotes) . ' VALUES'; } } //\x08\\x09, not required $search = array("", "\n", "\r", ""); $replace = array('\\0', '\\n', '\\r', '\\Z'); $current_row = 0; $query_size = 0; if (($GLOBALS['sql_insert_syntax'] == 'extended' || $GLOBALS['sql_insert_syntax'] == 'both') && (!isset($GLOBALS['sql_type']) || $GLOBALS['sql_type'] != 'UPDATE')) { $separator = ','; $schema_insert .= $crlf; } else { $separator = ';'; } while ($row = PMA_DBI_fetch_row($result)) { if ($current_row == 0) { $head = $this->_possibleCRLF() . $this->_exportComment() . $this->_exportComment(__('Dumping data for table') . ' ' . $formatted_table_name) . $this->_exportComment() . $crlf; if (!PMA_exportOutputHandler($head)) { return false; } } // We need to SET IDENTITY_INSERT ON for MSSQL if (isset($GLOBALS['sql_compatibility']) && $GLOBALS['sql_compatibility'] == 'MSSQL' && $current_row == 0) { if (!PMA_exportOutputHandler('SET IDENTITY_INSERT ' . PMA_Util::backquoteCompat($table, $compat) . ' ON ;' . $crlf)) { return false; } } $current_row++; for ($j = 0; $j < $fields_cnt; $j++) { // NULL if (!isset($row[$j]) || is_null($row[$j])) { $values[] = 'NULL'; } elseif ($fields_meta[$j]->numeric && $fields_meta[$j]->type != 'timestamp' && !$fields_meta[$j]->blob) { // a number // timestamp is numeric on some MySQL 4.1, BLOBs are // sometimes numeric $values[] = $row[$j]; } elseif (stristr($field_flags[$j], 'BINARY') && $fields_meta[$j]->blob && isset($GLOBALS['sql_hex_for_blob'])) { // a true BLOB // - mysqldump only generates hex data when the --hex-blob // option is used, for fields having the binary attribute // no hex is generated // - a TEXT field returns type blob but a real blob // returns also the 'binary' flag // empty blobs need to be different, but '0' is also empty // :-( if (empty($row[$j]) && $row[$j] != '0') { $values[] = '\'\''; } else { $values[] = '0x' . bin2hex($row[$j]); } } elseif ($fields_meta[$j]->type == 'bit') { // detection of 'bit' works only on mysqli extension $values[] = "b'" . PMA_Util::sqlAddSlashes(PMA_Util::printableBitValue($row[$j], $fields_meta[$j]->length)) . "'"; } else { // something else -> treat as a string $values[] = '\'' . str_replace($search, $replace, PMA_Util::sqlAddSlashes($row[$j])) . '\''; } // end if } // end for // should we make update? if (isset($GLOBALS['sql_type']) && $GLOBALS['sql_type'] == 'UPDATE') { $insert_line = $schema_insert; for ($i = 0; $i < $fields_cnt; $i++) { if (0 == $i) { $insert_line .= ' '; } if ($i > 0) { // avoid EOL blank $insert_line .= ','; } $insert_line .= $field_set[$i] . ' = ' . $values[$i]; } list($tmp_unique_condition, $tmp_clause_is_unique) = PMA_Util::getUniqueCondition($result, $fields_cnt, $fields_meta, $row); $insert_line .= ' WHERE ' . $tmp_unique_condition; unset($tmp_unique_condition, $tmp_clause_is_unique); } else { // Extended inserts case if ($GLOBALS['sql_insert_syntax'] == 'extended' || $GLOBALS['sql_insert_syntax'] == 'both') { if ($current_row == 1) { $insert_line = $schema_insert . '(' . implode(', ', $values) . ')'; } else { $insert_line = '(' . implode(', ', $values) . ')'; $sql_max_size = $GLOBALS['sql_max_query_size']; if (isset($sql_max_size) && $sql_max_size > 0 && $query_size + strlen($insert_line) > $sql_max_size) { if (!PMA_exportOutputHandler(';' . $crlf)) { return false; } $query_size = 0; $current_row = 1; $insert_line = $schema_insert . $insert_line; } } $query_size += strlen($insert_line); // Other inserts case } else { $insert_line = $schema_insert . '(' . implode(', ', $values) . ')'; } } unset($values); if (!PMA_exportOutputHandler(($current_row == 1 ? '' : $separator . $crlf) . $insert_line)) { return false; } } // end while if ($current_row > 0) { if (!PMA_exportOutputHandler(';' . $crlf)) { return false; } } // We need to SET IDENTITY_INSERT OFF for MSSQL if (isset($GLOBALS['sql_compatibility']) && $GLOBALS['sql_compatibility'] == 'MSSQL' && $current_row > 0) { $outputSucceeded = PMA_exportOutputHandler($crlf . 'SET IDENTITY_INSERT ' . PMA_Util::backquoteCompat($table, $compat) . ' OFF;' . $crlf); if (!$outputSucceeded) { return false; } } } // end if ($result != false) PMA_DBI_free_result($result); return true; }
/** * backquoteCompat test with different param $compatibility (NONE, MSSQL) * * @param string $a String * @param string $b Expected output * * @return void * * @dataProvider backquoteCompatDataProvider */ public function testbackquoteCompat($a, $b) { // Test bypass quoting (used by dump functions) $this->assertEquals($a, PMA_Util::backquoteCompat($a, 'NONE', false)); // Run tests in MSSQL compatibility mode // Test bypass quoting (used by dump functions) $this->assertEquals($a, PMA_Util::backquoteCompat($a, 'MSSQL', false)); // Test backquote $this->assertEquals($b, PMA_Util::backquoteCompat($a, 'MSSQL')); }
/** * Generate comment * * @param string $crlf Carriage return character * @param string $sql_statement SQL statement * @param string $comment1 Comment for dumped table * @param string $comment2 Comment for current table * @param string $table_alias Table alias * @param string $compat Compatibility mode * * @return string */ protected function generateComment($crlf, $sql_statement, $comment1, $comment2, $table_alias, $compat) { if (!isset($sql_statement)) { if (isset($GLOBALS['no_constraints_comments'])) { $sql_statement = ''; } else { $sql_statement = $crlf . $this->_exportComment() . $this->_exportComment($comment1) . $this->_exportComment(); } } // comments for current table if (!isset($GLOBALS['no_constraints_comments'])) { $sql_statement .= $crlf . $this->_exportComment() . $this->_exportComment($comment2 . ' ' . PMA_Util::backquoteCompat($table_alias, $compat, isset($GLOBALS['sql_backquotes']))) . $this->_exportComment(); } return $sql_statement; }
/** * backquoteCompat test with different param $compatibility (NONE, MSSQL) * @dataProvider backquoteCompatDataProvider */ public function testbackquoteCompat($a, $b) { // Test bypass quoting (used by dump functions) $this->assertEquals($a, PMA_Util::backquoteCompat($a, 'NONE', false)); // Test backquote (backquoting will be enabled only if isset $GLOBALS['sql_backquotes'] $this->assertEquals($a, PMA_Util::backquoteCompat($a, 'NONE')); // Run tests in MSSQL compatibility mode // Test bypass quoting (used by dump functions) $this->assertEquals($a, PMA_Util::backquoteCompat($a, 'MSSQL', false)); // Test backquote $this->assertEquals($b, PMA_Util::backquoteCompat($a, 'MSSQL')); }