175 lines
6.8 KiB
PHP
175 lines
6.8 KiB
PHP
<?php
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function tar_file($filename, $contents) {
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$return = pack("a100a8a8a8a12a12", $filename, 644, 0, 0, decoct(strlen($contents)), decoct(time()));
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$checksum = 8*32; // space for checksum itself
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for ($i=0; $i < strlen($return); $i++) {
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$checksum += ord($return{$i});
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}
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$return .= sprintf("%06o", $checksum) . "\0 ";
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return $return . str_repeat("\0", 512 - strlen($return)) . $contents . str_repeat("\0", 511 - (strlen($contents) + 511) % 512);
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}
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function dump_table($table, $style, $is_view = false) {
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global $connection;
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if ($_POST["format"] != "sql") {
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echo "\xef\xbb\xbf"; // UTF-8 byte order mark
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if ($style) {
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dump_csv(array_keys(fields($table)));
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}
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} elseif ($style) {
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$create = create_sql($table);
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if ($create) {
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if ($style == "DROP+CREATE") {
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echo "DROP " . ($is_view ? "VIEW" : "TABLE") . " IF EXISTS " . idf_escape($table) . ";\n";
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}
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echo ($style != "CREATE+ALTER" ? $create : ($is_view ? substr_replace($create, " OR REPLACE", 6, 0) : substr_replace($create, " IF NOT EXISTS", 12, 0))) . ";\n\n";
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}
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if ($style == "CREATE+ALTER" && !$is_view) {
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// create procedure which iterates over original columns and adds new and removes old
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$query = "SELECT COLUMN_NAME, COLUMN_DEFAULT, IS_NULLABLE, COLLATION_NAME, COLUMN_TYPE, EXTRA, COLUMN_COMMENT FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = " . $connection->quote($table) . " ORDER BY ORDINAL_POSITION";
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echo "DELIMITER ;;
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CREATE PROCEDURE adminer_alter (INOUT alter_command text) BEGIN
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DECLARE _column_name, _collation_name, after varchar(64) DEFAULT '';
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DECLARE _column_type, _column_default text;
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DECLARE _is_nullable char(3);
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DECLARE _extra varchar(30);
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DECLARE _column_comment varchar(255);
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DECLARE done, set_after bool DEFAULT 0;
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DECLARE add_columns text DEFAULT '";
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$fields = array();
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$result = $connection->query($query);
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$after = "";
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while ($row = $result->fetch_assoc()) {
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$default = $row["COLUMN_DEFAULT"];
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$row["default"] = (isset($default) ? $connection->quote($default) : "NULL");
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$row["after"] = $connection->quote($after); //! rgt AFTER lft, lft AFTER id doesn't work
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$row["alter"] = escape_string(idf_escape($row["COLUMN_NAME"])
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. " $row[COLUMN_TYPE]"
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. ($row["COLLATION_NAME"] ? " COLLATE $row[COLLATION_NAME]" : "")
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. (isset($default) ? " DEFAULT " . ($default == "CURRENT_TIMESTAMP" ? $default : $row["default"]) : "")
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. ($row["IS_NULLABLE"] == "YES" ? "" : " NOT NULL")
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. ($row["EXTRA"] ? " $row[EXTRA]" : "")
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. ($row["COLUMN_COMMENT"] ? " COMMENT " . $connection->quote($row["COLUMN_COMMENT"]) : "")
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. ($after ? " AFTER " . idf_escape($after) : " FIRST")
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);
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echo ", ADD $row[alter]";
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$fields[] = $row;
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$after = $row["COLUMN_NAME"];
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}
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echo "';
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DECLARE columns CURSOR FOR $query;
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DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;
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SET @alter_table = '';
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OPEN columns;
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REPEAT
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FETCH columns INTO _column_name, _column_default, _is_nullable, _collation_name, _column_type, _extra, _column_comment;
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IF NOT done THEN
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SET set_after = 1;
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CASE _column_name";
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foreach ($fields as $row) {
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echo "
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WHEN " . $connection->quote($row["COLUMN_NAME"]) . " THEN
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SET add_columns = REPLACE(add_columns, ', ADD $row[alter]', '');
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IF NOT (_column_default <=> $row[default]) OR _is_nullable != '$row[IS_NULLABLE]' OR _collation_name != '$row[COLLATION_NAME]' OR _column_type != " . $connection->quote($row["COLUMN_TYPE"]) . " OR _extra != '$row[EXTRA]' OR _column_comment != " . $connection->quote($row["COLUMN_COMMENT"]) . " OR after != $row[after] THEN
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SET @alter_table = CONCAT(@alter_table, ', MODIFY $row[alter]');
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END IF;"; //! don't replace in comment
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}
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echo "
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ELSE
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SET @alter_table = CONCAT(@alter_table, ', DROP ', _column_name);
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SET set_after = 0;
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END CASE;
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IF set_after THEN
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SET after = _column_name;
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END IF;
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END IF;
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UNTIL done END REPEAT;
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CLOSE columns;
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IF @alter_table != '' OR add_columns != '' THEN
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SET alter_command = CONCAT(alter_command, 'ALTER TABLE " . idf_escape($table) . "', SUBSTR(CONCAT(add_columns, @alter_table), 2), ';\\n');
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END IF;
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END;;
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DELIMITER ;
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CALL adminer_alter(@adminer_alter);
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DROP PROCEDURE adminer_alter;
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";
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//! indexes
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}
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}
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}
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function dump_data($table, $style, $select = "") {
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global $connection, $jush;
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$max_packet = ($jush == "sqlite" ? 0 : 1048576); // default, minimum is 1024
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if ($style) {
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if ($_POST["format"] == "sql" && $style == "TRUNCATE+INSERT") {
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echo "TRUNCATE " . idf_escape($table) . ";\n";
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}
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$fields = fields($table);
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$result = $connection->query(($select ? $select : "SELECT * FROM " . idf_escape($table)), 1); // 1 - MYSQLI_USE_RESULT //! enum and set as numbers, microtime
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if ($result) {
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$insert = "";
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$buffer = "";
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while ($row = $result->fetch_assoc()) {
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if ($_POST["format"] != "sql") {
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dump_csv($row);
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} else {
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if (!$insert) {
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$insert = "INSERT INTO " . idf_escape($table) . " (" . implode(", ", array_map('idf_escape', array_keys($row))) . ") VALUES";
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}
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foreach ($row as $key => $val) {
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$row[$key] = (isset($val) ? (ereg('int|float|double|decimal', $fields[$key]["type"]) ? $val : $connection->quote($val)) : "NULL"); //! columns looking like functions
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}
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$s = implode(",\t", $row);
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if ($style == "INSERT+UPDATE") {
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$set = array();
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foreach ($row as $key => $val) {
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$set[] = idf_escape($key) . " = $val";
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}
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echo "$insert ($s) ON DUPLICATE KEY UPDATE " . implode(", ", $set) . ";\n";
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} else {
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$s = ($max_packet ? "\n" : " ") . "($s)";
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if (!$buffer) {
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$buffer = $insert . $s;
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} elseif (strlen($buffer) + 2 + strlen($s) < $max_packet) { // 2 - separator and terminator length
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$buffer .= ",$s";
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} else {
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$buffer .= ";\n";
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echo $buffer;
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$buffer = $insert . $s;
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}
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}
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}
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}
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if ($_POST["format"] == "sql" && $style != "INSERT+UPDATE" && $buffer) {
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$buffer .= ";\n";
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echo $buffer;
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}
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}
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}
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}
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function dump_headers($identifier, $multi_table = false) {
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$filename = ($identifier != "" ? friendly_url($identifier) : "adminer");
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$output = $_POST["output"];
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$ext = ($_POST["format"] == "sql" ? "sql" : ($multi_table ? "tar" : "csv")); // multiple CSV packed to TAR
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header("Content-Type: " .
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($output == "bz2" ? "application/x-bzip" :
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($output == "gz" ? "application/x-gzip" :
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($ext == "tar" ? "application/x-tar" :
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($ext == "sql" || $output != "file" ? "text/plain" : "text/csv") . "; charset=utf-8"
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))));
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if ($output != "text") {
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header("Content-Disposition: attachment; filename=$filename.$ext" . ($output != "file" && !ereg('[^0-9a-z]', $output) ? ".$output" : ""));
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}
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session_write_close();
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if ($_POST["output"] == "bz2") {
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ob_start('bzcompress', 1e6);
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}
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if ($_POST["output"] == "gz") {
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ob_start('gzencode', 1e6);
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}
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return $ext;
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}
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