bd52f2a527
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@981 7c3ca157-0c34-0410-bff1-cbf682f78f5c
163 lines
6.3 KiB
PHP
163 lines
6.3 KiB
PHP
<?php
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function dump_table($table, $style, $is_view = false) {
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global $dbh;
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if ($_POST["format"] == "csv") {
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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 ($style) {
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$result = $dbh->query("SHOW CREATE TABLE " . idf_escape($table));
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if ($result) {
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if ($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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$create = $dbh->result($result, 1);
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$result->free();
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echo ($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 = " . $dbh->quote($table) . " ORDER BY ORDINAL_POSITION";
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?>
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DELIMITER ;;
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CREATE PROCEDURE adminer_alter () BEGIN
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DECLARE _column_name, _collation_name, _column_type, after varchar(64) DEFAULT '';
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DECLARE _column_default longtext;
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DECLARE _is_nullable char(3);
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DECLARE _extra varchar(20);
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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 '<?php
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$fields = array();
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$result = $dbh->query($query);
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$after = "";
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while ($row = $result->fetch_assoc()) {
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$row["default"] = (isset($row["COLUMN_DEFAULT"]) ? $dbh->quote($row["COLUMN_DEFAULT"]) : "NULL");
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$row["after"] = $dbh->quote($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 $row[COLLATION_NAME]" : "")
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. (isset($row["COLUMN_DEFAULT"]) ? " 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 " . $dbh->quote($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 = $row["COLUMN_NAME"];
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}
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$result->free();
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?>';
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DECLARE columns CURSOR FOR <?php echo $query; ?>;
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DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;
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SET @alter_table = '';
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OPEN columns;
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REPEAT
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FETCH columns INTO _column_name, _column_default, _is_nullable, _collation_name, _column_type, _extra, _column_comment;
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IF NOT done THEN
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SET set_after = 1;
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CASE _column_name<?php
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foreach ($fields as $row) {
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echo "
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WHEN " . $dbh->quote($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 != '$row[COLLATION_NAME]' OR _column_type != '$row[COLUMN_TYPE]' OR _extra != '$row[EXTRA]' OR _column_comment != " . $dbh->quote($row["COLUMN_COMMENT"]) . " OR after != $row[after] THEN
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SET @alter_table = CONCAT(@alter_table, ', MODIFY $row[alter]');
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END IF;"; //! don't replace in comment
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}
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?>
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ELSE
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SET @alter_table = CONCAT(@alter_table, ', DROP ', _column_name);
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SET set_after = 0;
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END CASE;
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IF set_after THEN
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SET after = _column_name;
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END IF;
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END IF;
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UNTIL done END REPEAT;
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CLOSE columns;
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IF @alter_table != '' OR add_columns != '' THEN
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SET @alter_table = CONCAT('ALTER TABLE <?php echo idf_escape($table); ?>', SUBSTR(CONCAT(add_columns, @alter_table), 2));
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PREPARE alter_command FROM @alter_table;
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EXECUTE alter_command;
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DROP PREPARE alter_command;
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END IF;
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END;;
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DELIMITER ;
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CALL adminer_alter;
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DROP PROCEDURE adminer_alter;
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<?php
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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 $dbh, $max_packet;
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if ($style) {
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if ($_POST["format"] != "csv" && $style == "TRUNCATE+INSERT") {
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echo "TRUNCATE " . idf_escape($table) . ";\n";
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}
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$result = $dbh->query(($select ? $select : "SELECT * FROM " . idf_escape($table))); //! enum and set as numbers, binary as _binary, microtime
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if ($result) {
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$fields = fields($table);
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$length = 0;
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while ($row = $result->fetch_assoc()) {
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if ($_POST["format"] == "csv") {
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dump_csv($row);
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} else {
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$insert = "INSERT INTO " . idf_escape($table) . " (" . implode(", ", array_map('idf_escape', array_keys($row))) . ") VALUES";
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$row2 = array();
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foreach ($row as $key => $val) {
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$row2[$key] = (isset($val) ? (ereg('int|float|double|decimal', $fields[$key]["type"]) ? $val : $dbh->quote($val)) : "NULL"); //! columns looking like functions
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}
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$s = implode(",\t", $row2);
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if ($style == "INSERT+UPDATE") {
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$set = array();
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foreach ($row2 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 = "\n($s)";
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if (!$length) {
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echo $insert . $s;
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$length = strlen($insert) + strlen($s);
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} else {
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$length += 1 + strlen($s); // 1 - separator length
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if ($length < $max_packet) {
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echo ",$s";
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} else {
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echo ";\n$insert$s";
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$length = strlen($insert) + strlen($s);
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}
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}
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}
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}
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}
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if ($_POST["format"] != "csv" && $style != "INSERT+UPDATE" && $result->num_rows) {
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echo ";\n";
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}
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$result->free();
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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 = (strlen($identifier) ? friendly_url($identifier) : "dump");
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$ext = ($_POST["format"] == "sql" ? "sql" : ($multi_table ? "tar" : "csv")); // multiple CSV packed to TAR
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header("Content-Type: " . ($ext == "tar" ? "application/x-tar" : ($ext == "sql" || $_POST["output"] != "file" ? "text/plain" : "text/csv")) . "; charset=utf-8");
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if ($_POST["output"] == "file") {
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header("Content-Disposition: attachment; filename=$filename.$ext");
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}
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return $ext;
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}
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$dump_output = "<select name='output'><option value='text'>" . lang('open') . "<option value='file'>" . lang('save') . "</select>";
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$dump_format = "<select name='format'><option value='sql'>" . lang('SQL') . "<option value='csv'>" . lang('CSV') . "</select>";
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$max_packet = 1048576; // default, minimum is 1024
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