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Select from foreign keys in Editor

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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@883 7c3ca157-0c34-0410-bff1-cbf682f78f5c
This commit is contained in:
jakubvrana
2009-07-23 14:42:38 +00:00
parent f13efa8684
commit 1e4d11e920
7 changed files with 109 additions and 53 deletions
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81
editor/include/adminer.inc.php
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@@ -62,6 +62,18 @@ function adminer_select_query($query) {
return call_adminer('select_query', "<!-- " . str_replace("--", "--><!--", $query) . " -->\n", $query);
}
function adminer_row_description($table) {
$return = "";
// first varchar column
foreach (fields($table) as $field) {
if ($field["type"] == "varchar") {
$return = idf_escape($field["field"]);
break;
}
}
return call_adminer('row_description', $return, $table);
}
function adminer_row_descriptions($rows, $foreign_keys) {
global $dbh;
$return = $rows;
@@ -69,31 +81,26 @@ function adminer_row_descriptions($rows, $foreign_keys) {
foreach ((array) $foreign_keys[$key] as $foreign_key) {
if (count($foreign_key["source"]) == 1) {
$id = idf_escape($foreign_key["target"][0]);
// find out the description column - first varchar
$name = $id;
foreach (fields($foreign_key["table"]) as $field) {
if ($field["type"] == "varchar") {
$name = idf_escape($field["field"]);
break;
$name = adminer_row_description($foreign_key["table"]);
if (strlen($name)) {
// find all used ids
$ids = array();
foreach ($rows as $row) {
$ids[$row[$key]] = $dbh->quote($row[$key]);
}
// uses constant number of queries to get the descriptions, join would be complex, multiple queries would be slow
$descriptions = array();
$result = $dbh->query("SELECT $id, $name FROM " . idf_escape($foreign_key["table"]) . " WHERE $id IN (" . implode(", ", $ids) . ")");
while ($row = $result->fetch_row()) {
$descriptions[$row[0]] = $row[1];
}
$result->free();
// use the descriptions
foreach ($rows as $n => $row) {
$return[$n][$key] = $descriptions[$row[$key]];
}
break;
}
// find all used ids
$ids = array();
foreach ($rows as $row) {
$ids[$row[$key]] = $dbh->quote($row[$key]);
}
// uses constant number of queries to get the descriptions, join would be complex, multiple queries would be slow
$descriptions = array();
$result = $dbh->query("SELECT $id, $name FROM " . idf_escape($foreign_key["table"]) . " WHERE $id IN (" . implode(", ", $ids) . ")");
while ($row = $result->fetch_row()) {
$descriptions[$row[0]] = $row[1];
}
$result->free();
// use the descriptions
foreach ($rows as $n => $row) {
$return[$n][$key] = $descriptions[$row[$key]];
}
break;
}
}
}
@@ -108,11 +115,35 @@ function adminer_select_val($val, $link) {
}
function adminer_message_query($query) {
return call_adminer('message_query', "<!-- " . str_replace("--", "--><!--", $query) . " -->", $query);
return call_adminer('message_query', "<!--\n" . str_replace("--", "--><!--", $query) . "\n-->", $query);
}
function adminer_edit_functions($field) {
return call_adminer('edit_functions', array(""), $field);
return call_adminer('edit_functions', (isset($_GET["select"]) ? array("orig" => lang('original')) : array()) + array(""), $field);
}
function adminer_edit_input($table, $field) {
global $dbh;
$return = null;
$foreign_keys = column_foreign_keys($table);
foreach ((array) $foreign_keys[$field["field"]] as $foreign_key) {
if (count($foreign_key["source"]) == 1) {
$id = idf_escape($foreign_key["target"][0]);
$name = adminer_row_description($foreign_key["table"]);
if (strlen($name) && $dbh->result($dbh->query("SELECT COUNT(*) FROM " . idf_escape($foreign_key["table"]))) <= 1000) { // optionlist with more than 1000 options would be too big
if ($field["null"]) {
$return[""] = "";
}
$result = $dbh->query("SELECT $id, $name FROM " . idf_escape($foreign_key["table"]) . " ORDER BY 2");
while ($row = $result->fetch_row()) {
$return[$row[0]] = $row[1];
}
$result->free();
break;
}
}
}
return call_adminer('edit_input', $return, $table, $field);
}
function adminer_navigation($missing) {