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Alter table

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@451 7c3ca157-0c34-0410-bff1-cbf682f78f5c
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jakubvrana 2008-08-19 10:50:04 +00:00
parent 4951444bcb
commit 7732d202ba
1 changed files with 77 additions and 0 deletions
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77
export.inc.php
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@ -37,6 +37,83 @@ function dump_table($table, $style, $is_view = false) {
}
}
if ($mysql->server_info >= 5) {
if ($style == "CREATE, ALTER" && !$is_view) {
$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 = '" . $mysql->escape_string($table) . "' ORDER BY ORDINAL_POSITION";
?>
DELIMITER ;;
CREATE PROCEDURE phpminadmin_alter () BEGIN
DECLARE _column_name, _collation_name, _column_type, after varchar(64) DEFAULT '';
DECLARE _column_default longtext;
DECLARE _is_nullable char(3);
DECLARE _extra varchar(20);
DECLARE _column_comment varchar(255);
DECLARE done, set_after bool DEFAULT 0;
DECLARE add_columns text DEFAULT '<?php
$fields = array();
$result = $mysql->query($query);
$after = "";
while ($row = $result->fetch_assoc()) {
$row["default"] = (isset($row["COLUMN_DEFAULT"]) ? "'" . $mysql->escape_string($row["COLUMN_DEFAULT"]) . "'" : "NULL");
$row["after"] = $mysql->escape_string($after); //! rgt AFTER lft, lft AFTER id doesn't work
$row["alter"] = $mysql->escape_string(idf_escape($row["COLUMN_NAME"])
. " $row[COLUMN_TYPE]"
. ($row["COLLATION_NAME"] ? " COLLATE $row[COLLATION_NAME]" : "")
. (isset($row["COLUMN_DEFAULT"]) ? " DEFAULT $row[default]" : "")
. ($row["IS_NULLABLE"] == "YES" ? "" : " NOT NULL")
. ($row["EXTRA"] ? " $row[EXTRA]" : "")
. ($row["COLUMN_COMMENT"] ? " COMMENT '" . $mysql->escape_string($row["COLUMN_COMMENT"]) . "'" : "")
. ($after ? " AFTER " . idf_escape($after) : " FIRST")
);
echo ", ADD $row[alter]";
$fields[] = $row;
$after = $row["COLUMN_NAME"];
}
$result->free();
?>';
DECLARE columns CURSOR FOR <?php echo $query; ?>;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;
SET @alter_table = '';
OPEN columns;
REPEAT
FETCH columns INTO _column_name, _column_default, _is_nullable, _collation_name, _column_type, _extra, _column_comment;
IF NOT done THEN
SET set_after = 1;
CASE _column_name<?php
foreach ($fields as $row) {
echo "
WHEN '" . $mysql->escape_string($row["COLUMN_NAME"]) . "' THEN
SET add_columns = REPLACE(add_columns, ', ADD $row[alter]', '');
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 != '" . $mysql->escape_string($row["COLUMN_COMMENT"]) . "' OR after != '$row[after]' THEN
SET @alter_table = CONCAT(@alter_table, ', MODIFY $row[alter]');
END IF;"; //! don't replace in comment
}
?>
ELSE
SET @alter_table = CONCAT(@alter_table, ', DROP ', _column_name);
SET set_after = 0;
END CASE;
IF set_after THEN
SET after = _column_name;
END IF;
END IF;
UNTIL done END REPEAT;
CLOSE columns;
IF @alter_table != '' OR add_columns != '' THEN
SET @alter_table = CONCAT('ALTER TABLE <?php echo idf_escape($table); ?>', SUBSTR(CONCAT(add_columns, @alter_table), 2));
PREPARE alter_command FROM @alter_table;
EXECUTE alter_command;
DROP PREPARE alter_command;
END IF;
END;;
DELIMITER ;
CALL phpminadmin_alter;
DROP PROCEDURE phpminadmin_alter;
<?php
//! indexes
}
$result = $mysql->query("SHOW TRIGGERS LIKE '" . $mysql->escape_string(addcslashes($table, "%_")) . "'");
if ($result->num_rows) {
echo "DELIMITER ;;\n\n";