90 lines
3.7 KiB
PHP
90 lines
3.7 KiB
PHP
<?php
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$TABLE = $_GET["foreign"];
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$name = $_GET["name"];
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$row = $_POST;
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if ($_POST && !$error && !$_POST["add"] && !$_POST["change"] && !$_POST["change-js"]) {
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$message = ($_POST["drop"] ? lang('Foreign key has been dropped.') : ($name != "" ? lang('Foreign key has been altered.') : lang('Foreign key has been created.')));
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$location = ME . "table=" . urlencode($TABLE);
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$row["source"] = array_filter($row["source"], 'strlen');
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ksort($row["source"]); // enforce input order
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$target = array();
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foreach ($row["source"] as $key => $val) {
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$target[$key] = $row["target"][$key];
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}
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$row["target"] = $target;
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if ($jush == "sqlite") {
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queries_redirect($location, $message, recreate_table($TABLE, $TABLE, array(), array(), array(" $name" => ($_POST["drop"] ? "" : " " . format_foreign_key($row)))));
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} else {
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$alter = "ALTER TABLE " . table($TABLE);
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$drop = "\nDROP " . ($jush == "sql" ? "FOREIGN KEY " : "CONSTRAINT ") . idf_escape($name);
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if ($_POST["drop"]) {
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query_redirect($alter . $drop, $location, $message);
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} else {
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query_redirect($alter . ($name != "" ? "$drop," : "") . "\nADD" . format_foreign_key($row), $location, $message);
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$error = lang('Source and target columns must have the same data type, there must be an index on the target columns and referenced data must exist.') . "<br>$error"; //! no partitioning
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}
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}
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}
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page_header(lang('Foreign key'), $error, array("table" => $TABLE), h($TABLE));
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if ($_POST) {
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ksort($row["source"]);
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if ($_POST["add"]) {
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$row["source"][] = "";
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} elseif ($_POST["change"] || $_POST["change-js"]) {
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$row["target"] = array();
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}
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} elseif ($name != "") {
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$foreign_keys = foreign_keys($TABLE);
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$row = $foreign_keys[$name];
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$row["source"][] = "";
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} else {
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$row["table"] = $TABLE;
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$row["source"] = array("");
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}
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$source = array_keys(fields($TABLE)); //! no text and blob
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$target = ($TABLE === $row["table"] ? $source : array_keys(fields($row["table"])));
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$referencable = array_keys(array_filter(table_status('', true), 'fk_support'));
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?>
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<form action="" method="post">
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<p>
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<?php if ($row["db"] == "" && $row["ns"] == "") { ?>
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<?php echo lang('Target table'); ?>:
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<?php echo html_select("table", $referencable, $row["table"], "this.form['change-js'].value = '1'; this.form.submit();"); ?>
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<input type="hidden" name="change-js" value="">
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<noscript><p><input type="submit" name="change" value="<?php echo lang('Change'); ?>"></noscript>
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<table cellspacing="0">
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<thead><tr><th id="label-source"><?php echo lang('Source'); ?><th id="label-target"><?php echo lang('Target'); ?></thead>
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<?php
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$j = 0;
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foreach ($row["source"] as $key => $val) {
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echo "<tr>";
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echo "<td>" . html_select("source[" . (+$key) . "]", array(-1 => "") + $source, $val, ($j == count($row["source"]) - 1 ? "foreignAddRow(this);" : 1), "label-source");
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echo "<td>" . html_select("target[" . (+$key) . "]", $target, $row["target"][$key], 1, "label-target");
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$j++;
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}
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?>
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</table>
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<p>
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<?php echo lang('ON DELETE'); ?>: <?php echo html_select("on_delete", array(-1 => "") + explode("|", $on_actions), $row["on_delete"]); ?>
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<?php echo lang('ON UPDATE'); ?>: <?php echo html_select("on_update", array(-1 => "") + explode("|", $on_actions), $row["on_update"]); ?>
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<?php echo doc_link(array(
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'sql' => "innodb-foreign-key-constraints.html",
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'pgsql' => "sql-createtable.html#SQL-CREATETABLE-REFERENCES",
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'mssql' => "ms174979.aspx",
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'oracle' => "clauses002.htm#sthref2903",
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)); ?>
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<p>
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<input type="submit" value="<?php echo lang('Save'); ?>">
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<noscript><p><input type="submit" name="add" value="<?php echo lang('Add column'); ?>"></noscript>
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<?php } ?>
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<?php if ($name != "") { ?><input type="submit" name="drop" value="<?php echo lang('Drop'); ?>"<?php echo confirm(); ?>><?php } ?>
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<input type="hidden" name="token" value="<?php echo $token; ?>">
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</form>
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