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SQLite: Respect column order and DESC in primary key

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Also respect DESC indexes in altering table.
This commit is contained in:
Jakub Vrana 2013-08-07 16:00:37 -07:00
parent 33236f7a83
commit 114aaec91e
1 changed files with 16 additions and 12 deletions
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28
adminer/drivers/sqlite.inc.php
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@ -319,23 +319,27 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
}
function indexes($table, $connection2 = null) {
global $connection;
if (!is_object($connection2)) {
$connection2 = $connection;
}
$return = array();
$primary = array();
foreach (fields($table) as $field) {
if ($field["primary"]) {
$primary[] = $field["field"];
$sql = $connection2->result("SELECT sql FROM sqlite_master WHERE type = 'table' AND name = " . q($table));
if (preg_match('~\bPRIMARY\s+KEY\s*\((([^)"]+|"[^"]*")++)~i', $sql, $match)) {
$return[""] = array("type" => "PRIMARY", "columns" => array(), "descs" => array());
preg_match_all('~((("[^"]*+")+)|(\S+))(\s+(ASC|DESC))?(,\s*|$)~i', $match[1], $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$return[""]["columns"][] = idf_unescape($match[2]) . $match[4];
$return[""]["descs"][] = (preg_match('~DESC~i', $match[5]) ? '1' : null);
}
}
if ($primary) {
$return[""] = array("type" => "PRIMARY", "columns" => $primary, "lengths" => array()); //! column order, descending
}
$sqls = get_key_vals("SELECT name, sql FROM sqlite_master WHERE type = 'index' AND tbl_name = " . q($table));
foreach (get_rows("PRAGMA index_list(" . table($table) . ")") as $row) {
$sqls = get_key_vals("SELECT name, sql FROM sqlite_master WHERE type = 'index' AND tbl_name = " . q($table), $connection2);
foreach (get_rows("PRAGMA index_list(" . table($table) . ")", $connection2) as $row) {
$name = $row["name"];
if (!preg_match("~^sqlite_~", $name)) {
$return[$name]["type"] = ($row["unique"] ? "UNIQUE" : "INDEX");
$return[$name]["lengths"] = array();
foreach (get_rows("PRAGMA index_info(" . idf_escape($name) . ")") as $row1) {
foreach (get_rows("PRAGMA index_info(" . idf_escape($name) . ")", $connection2) as $row1) {
$return[$name]["columns"][] = $row1["name"];
}
$return[$name]["descs"] = array();
@ -477,11 +481,11 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
$indexes = array();
foreach (indexes($table) as $key_name => $index) {
$columns = array();
foreach ($index["columns"] as $column) {
foreach ($index["columns"] as $key => $column) {
if (!$originals[$column]) {
continue 2;
}
$columns[] = $originals[$column];
$columns[] = $originals[$column] . ($index["descs"][$key] ? " DESC" : "");
}
$columns = "(" . implode(", ", $columns) . ")";
if ($index["type"] != "PRIMARY") {