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Code Issues Releases Wiki Activity

SQLite: Allow editing primary key

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This commit is contained in:
Jakub Vrana
2013-08-08 15:32:36 -07:00
parent 4e22af6de0
commit 6664b0fb7e
3 changed files with 81 additions and 45 deletions
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119
adminer/drivers/sqlite.inc.php
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@@ -326,7 +326,7 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
$return = array();
$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());
$return[""] = array("type" => "PRIMARY", "columns" => array(), "lengths" => array(), "descs" => array());
preg_match_all('~((("[^"]*+")+)|(\S+))(\s+(ASC|DESC))?(,\s*|$)~i', $match[1], $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$return[""]["columns"][] = idf_unescape($match[2]) . $match[4];
@@ -463,21 +463,6 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
}
if ($use_all_fields) {
if ($table != "") {
queries("BEGIN");
foreach (foreign_keys($table) as $foreign_key) {
$columns = array();
foreach ($foreign_key["source"] as $column) {
if (!$originals[$column]) {
continue 2;
}
$columns[] = $originals[$column];
}
$foreign[] = " FOREIGN KEY (" . implode(", ", $columns) . ") REFERENCES "
. table($foreign_key["table"])
. " (" . implode(", ", array_map('idf_escape', $foreign_key["target"]))
. ") ON DELETE $foreign_key[on_delete] ON UPDATE $foreign_key[on_update]"
;
}
$indexes = array();
foreach (indexes($table) as $key_name => $index) {
$columns = array();
@@ -495,34 +480,9 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
}
}
}
$alter = array_merge($alter, $foreign);
if (!queries("CREATE TABLE " . table($table != "" ? "adminer_$name" : $name) . " (\n" . implode(",\n", $alter) . "\n)")) {
// implicit ROLLBACK to not overwrite $connection->error
if (!recreate_table($table, $name, $alter, $originals, $foreign, $indexes)) {
return false;
}
if ($table != "") {
if ($originals && !queries("INSERT INTO " . table("adminer_$name") . " (" . implode(", ", $originals) . ") SELECT " . implode(", ", array_map('idf_escape', array_keys($originals))) . " FROM " . table($table))) {
return false;
}
$triggers = array();
foreach (triggers($table) as $trigger_name => $timing_event) {
$trigger = trigger($trigger_name);
$triggers[] = "CREATE TRIGGER " . idf_escape($trigger_name) . " " . implode(" ", $timing_event) . " ON " . table($name) . "\n$trigger[Statement]";
}
if (!queries("DROP TABLE " . table($table))) { // drop before creating indexes and triggers to allow using old names
return false;
}
queries("ALTER TABLE " . table("adminer_$name") . " RENAME TO " . table($name));
if (!alter_indexes($name, $indexes)) {
return false;
}
foreach ($triggers as $trigger) {
if (!queries($trigger)) {
return false;
}
}
queries("COMMIT");
}
} else {
foreach ($alter as $val) {
if (!queries("ALTER TABLE " . table($table) . " $val")) {
@@ -539,6 +499,55 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
return true;
}
function recreate_table($table, $name, $alter, $originals, $foreign, $indexes) {
queries("BEGIN");
if ($table != "") {
foreach (foreign_keys($table) as $foreign_key) {
$columns = array();
foreach ($foreign_key["source"] as $column) {
if (!$originals[$column]) {
continue 2;
}
$columns[] = $originals[$column];
}
$foreign[] = " FOREIGN KEY (" . implode(", ", $columns) . ") REFERENCES "
. table($foreign_key["table"])
. " (" . implode(", ", array_map('idf_escape', $foreign_key["target"]))
. ") ON DELETE $foreign_key[on_delete] ON UPDATE $foreign_key[on_update]"
;
}
}
$alter = array_merge($alter, $foreign);
if (!queries("CREATE TABLE " . table($table != "" ? "adminer_$name" : $name) . " (\n" . implode(",\n", $alter) . "\n)")) {
// implicit ROLLBACK to not overwrite $connection->error
return false;
}
if ($table != "") {
if ($originals && !queries("INSERT INTO " . table("adminer_$name") . " (" . implode(", ", $originals) . ") SELECT " . implode(", ", array_map('idf_escape', array_keys($originals))) . " FROM " . table($table))) {
return false;
}
$triggers = array();
foreach (triggers($table) as $trigger_name => $timing_event) {
$trigger = trigger($trigger_name);
$triggers[] = "CREATE TRIGGER " . idf_escape($trigger_name) . " " . implode(" ", $timing_event) . " ON " . table($name) . "\n$trigger[Statement]";
}
if (!queries("DROP TABLE " . table($table))) { // drop before creating indexes and triggers to allow using old names
return false;
}
queries("ALTER TABLE " . table("adminer_$name") . " RENAME TO " . table($name));
if (!alter_indexes($name, $indexes)) {
return false;
}
foreach ($triggers as $trigger) {
if (!queries($trigger)) {
return false;
}
}
queries("COMMIT");
}
return true;
}
function index_sql($table, $type, $name, $columns) {
return "CREATE $type " . ($type != "INDEX" ? "INDEX " : "")
. idf_escape($name != "" ? $name : uniqid($table . "_"))
@@ -548,6 +557,32 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
}
function alter_indexes($table, $alter) {
foreach ($alter as $primary) {
if ($primary[0] == "PRIMARY") {
$indexes = array();
foreach (indexes($table) as $key_name => $index) {
$columns = array();
foreach ($index["columns"] as $key => $column) {
$columns[] = idf_escape($column) . ($index["descs"][$key] ? " DESC" : "");
}
$indexes[$key_name] = array($index["type"], $key_name, "(" . implode(", ", $columns) . ")");
}
foreach ($alter as $val) {
if ($val[2] == "DROP") {
unset($indexes[$val[1]]);
} elseif ($val != $primary) {
$indexes[] = $val;
}
}
$alter = array();
$originals = array();
foreach (fields($table) as $name => $field) {
$alter[] = " " . implode(process_field($field, $field));
$originals[$name] = idf_escape($name);
}
return recreate_table($table, $table, $alter, $originals, array(" PRIMARY KEY $primary[2]"), $indexes);
}
}
foreach (array_reverse($alter) as $val) {
if (!queries($val[2] == "DROP"
? "DROP INDEX " . idf_escape($val[1])