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Foreign keys

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@5 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana 2007-07-02 10:24:49 +00:00
parent e5f4f7fc98
commit f4287792db
4 changed files with 42 additions and 10 deletions
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7
functions.inc.php
View file

@ -61,16 +61,15 @@ function indexes($table) {
}
function foreign_keys($table) {
//! make over to information_schema.key_column_usage
static $pattern = '~`((?:[^`]*|``)+)`~';
$return = array();
$create_table = mysql_result(mysql_query("SHOW CREATE TABLE " . idf_escape($table)), 0, 1);
preg_match_all('~FOREIGN KEY \\((.*)\\) REFERENCES (.*) \\((.*)\\)~', $create_table, $matches, PREG_SET_ORDER);
preg_match_all('~FOREIGN KEY \\((.+)\\) REFERENCES (?:`(.+)`\\.)?`(.+)` \\((.+)\\)~', $create_table, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
preg_match_all($pattern, $match[1], $source);
preg_match_all($pattern, $match[3], $target);
preg_match_all($pattern, $match[4], $target);
foreach ($source[1] as $val) {
$return[idf_unescape($val)][] = array(idf_unescape(substr($match[2], 1, -1)), array_map('idf_unescape', $source[1]), array_map('idf_unescape', $target[1]));
$return[idf_unescape($val)][] = array(idf_unescape($match[2]), idf_unescape($match[3]), array_map('idf_unescape', $source[1]), array_map('idf_unescape', $target[1]));
}
}
return $return;

2
index.php
View file

@ -23,7 +23,7 @@ if (isset($_GET["sql"])) {
include "./view.inc.php";
} else {
page_header(htmlspecialchars($_GET["db"]));
$result = mysql_query("SELECT * FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_SCHEMA = '" . mysql_real_escape_string($_GET["db"]) . "'");
$result = mysql_query("SELECT * FROM information_schema.ROUTINES WHERE ROUTINE_SCHEMA = '" . mysql_real_escape_string($_GET["db"]) . "'");
if (mysql_num_rows($result)) {
echo "<h2>" . lang('Routines') . "</h2>\n";
echo "<table border='1' cellspacing='0' cellpadding='2'>\n";

25
select.inc.php
View file

@ -39,11 +39,20 @@ $limit = 30;
echo "<input type='submit' value='" . lang('Search') . "' />\n";
echo "</div></form>\n";
$result = mysql_query("SELECT SQL_CALC_FOUND_ROWS * FROM " . idf_escape($_GET["select"]) . ($where ? " WHERE " . implode(" AND ", $where) : "") . " LIMIT $limit OFFSET " . ($limit * $_GET["page"]));
$found_rows = mysql_result(mysql_query(" SELECT FOUND_ROWS()"), 0);
$found_rows = mysql_result(mysql_query(" SELECT FOUND_ROWS()"), 0); // space for mysql.trace_mode
if (!mysql_num_rows($result)) {
echo "<p class='message'>" . lang('No rows.') . "</p>\n";
} else {
$foreign_keys = foreign_keys($_GET["select"]);
$childs = array();
$result1 = mysql_query("SELECT * FROM information_schema.KEY_COLUMN_USAGE WHERE REFERENCED_TABLE_SCHEMA = '" . mysql_real_escape_string($_GET["db"]) . "' AND REFERENCED_TABLE_NAME = '" . mysql_real_escape_string($_GET["select"]) . "' ORDER BY ORDINAL_POSITION");
while ($row1 = mysql_fetch_assoc($result1)) {
$childs[$row1["CONSTRAINT_NAME"]][0] = $row1["TABLE_SCHEMA"];
$childs[$row1["CONSTRAINT_NAME"]][1] = $row1["TABLE_NAME"];
$childs[$row1["CONSTRAINT_NAME"]][2][] = $row1["REFERENCED_COLUMN_NAME"];
$childs[$row1["CONSTRAINT_NAME"]][3][] = $row1["COLUMN_NAME"];
}
mysql_free_result($result1);
echo "<table border='1' cellspacing='0' cellpadding='2'>\n";
for ($j=0; $row = mysql_fetch_assoc($result); $j++) {
@ -59,16 +68,22 @@ if (!mysql_num_rows($result)) {
if (count($foreign_keys[$key]) == 1) {
$foreign_key = $foreign_keys[$key][0];
$val = '">' . "$val</a>";
foreach ($foreign_key[1] as $i => $source) {
$val = "&amp;where[$i][col]=" . urlencode($foreign_key[2][$i]) . "&amp;where[$i][op]=%3D&amp;where[$i][val]=" . urlencode($row[$source]) . $val;
foreach ($foreign_key[2] as $i => $source) {
$val = "&amp;where[$i][col]=" . urlencode($foreign_key[3][$i]) . "&amp;where[$i][op]=%3D&amp;where[$i][val]=" . urlencode($row[$source]) . $val;
}
$val = '<a href="' . htmlspecialchars($SELF) . 'select=' . htmlspecialchars($foreign_key[0]) . $val; // InnoDB support non-UNIQUE keys //! reference to other database
$val = '<a href="' . htmlspecialchars(strlen($foreign_key[0]) ? preg_replace('~([?&]db=)[^&]+~', '\\1' . urlencode($foreign_key[0]), $SELF) : $SELF) . 'select=' . htmlspecialchars($foreign_key[1]) . $val; // InnoDB support non-UNIQUE keys //! reference to other database
}
}
echo "<td>$val</td>";
}
echo '<td><a href="' . htmlspecialchars($SELF) . 'edit=' . urlencode($_GET['select']) . '&amp;' . implode('&amp;', unique_idf($row, $indexes)) . '">edit</a>'; //! views can be unupdatable
//! links to referencing tables - information_schema.key_column_usage - REFERENCED_TABLE_SCHEMA, REFERENCED_TABLE_NAME
foreach ($childs as $child) {
echo ' <a href="' . htmlspecialchars(strlen($child[0]) ? preg_replace('~([?&]db=)[^&]+~', '\\1' . urlencode($child[0]), $SELF) : $SELF) . 'select=' . urlencode($child[1]);
foreach ($child[2] as $i => $source) {
echo "&amp;where[$i][col]=" . urlencode($child[3][$i]) . "&amp;where[$i][op]=%3D&amp;where[$i][val]=" . urlencode($row[$source]);
}
echo '">' . htmlspecialchars($child[1]) . '</a>';
}
echo "</td>";
echo "</tr>\n";
}

18
table.inc.php
View file

@ -24,6 +24,24 @@ if ($indexes) {
echo "</table>\n";
}
$result = mysql_query("SELECT * FROM information_schema.KEY_COLUMN_USAGE WHERE TABLE_SCHEMA = '" . mysql_real_escape_string($_GET["db"]) . "' AND TABLE_NAME = '" . mysql_real_escape_string($_GET["table"]) . "' AND REFERENCED_TABLE_NAME IS NOT NULL ORDER BY ORDINAL_POSITION");
if (mysql_num_rows($result)) {
$foreign_keys = array();
while ($row = mysql_fetch_assoc($result)) {
$foreign_keys[$row["CONSTRAINT_NAME"]][0] = $row["REFERENCED_TABLE_SCHEMA"];
$foreign_keys[$row["CONSTRAINT_NAME"]][1] = $row["REFERENCED_TABLE_NAME"];
$foreign_keys[$row["CONSTRAINT_NAME"]][2][] = htmlspecialchars($row["COLUMN_NAME"]);
$foreign_keys[$row["CONSTRAINT_NAME"]][3][] = htmlspecialchars($row["REFERENCED_COLUMN_NAME"]);
}
echo "<h3>" . lang('Foreign keys') . "</h3>\n";
echo "<table border='1' cellspacing='0' cellpadding='2'>\n";
foreach ($foreign_keys as $foreign_key) {
echo "<tr><td><em>" . implode("</em>, <em>", $foreign_key[2]) . "</em></td><td>" . (strlen($foreign_key[0]) && $foreign_key[0] !== $_GET["db"] ? "<strong>" . htmlspecialchars($foreign_key[0]) . "</strong>." : "") . "<strong>" . htmlspecialchars($foreign_key[1]) . "</strong>(<em>" . implode("</em>, <em>", $foreign_key[3]) . "</em>)</td></tr>\n";
}
echo "</table>\n";
}
mysql_free_result($result);
$result = mysql_query("SHOW TRIGGERS LIKE '" . mysql_real_escape_string($_GET["table"]) . "'");
if (mysql_num_rows($result)) {
echo "<h3>" . lang('Triggers') . "</h3>\n";