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Allow downloading sqlite DB #53
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83763f1
Allow downloading sqlite DB
mglaman ecdfaf9
ensure a filename is set
mglaman 8d607b0
add an alert before beginning
mglaman 541037d
instead of downloading DB, try creating a SQL dump
mglaman d162d5b
add indexes, set sequences
mglaman 1ac5eb2
CREATE TABLE to IF NOT EXISTS
mglaman 1de39d6
reduce size and improve sql statements
mglaman dcdc4cb
handle serialized php strings and nul chars
mglaman b5ae891
Merge branch 'refs/heads/main' into export-db
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,2 @@ | ||
| /drupal-wasm-1.0.zip | ||
| *.sql |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| <?php | ||
|
|
||
| use Drupal\Core\Cache\Cache; | ||
| use Drupal\Core\DrupalKernel; | ||
| use Symfony\Component\HttpFoundation\Request; | ||
|
|
||
| $stdErr = fopen('php://stderr', 'w'); | ||
|
|
||
| set_error_handler(static function(...$args) use($stdErr) { | ||
| fwrite($stdErr, print_r($args,1)); | ||
| }); | ||
|
|
||
| $flavor = file_get_contents('/config/flavor.txt'); | ||
| unlink('/config/flavor.txt'); | ||
|
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| $autoloader = require "/persist/$flavor/vendor/autoload.php"; | ||
|
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| $request = Request::createFromGlobals(); | ||
| $kernel = DrupalKernel::createFromRequest($request, $autoloader, 'prod'); | ||
| chdir($kernel->getAppRoot()); | ||
| $kernel->boot(); | ||
|
|
||
| foreach (Cache::getBins() as $cache_backend) { | ||
| $cache_backend->deleteAll(); | ||
| } | ||
| \Drupal::service('plugin.cache_clearer')->clearCachedDefinitions(); | ||
| $kernel->invalidateContainer(); | ||
|
|
||
| $sql = 'PRAGMA foreign_keys=OFF;' . PHP_EOL; | ||
| $sql .= 'BEGIN TRANSACTION;' . PHP_EOL; | ||
|
|
||
| // adapted from https://github.com/ephestione/php-sqlite-dump/blob/master/sqlite_dump.php | ||
| $database = \Drupal::database(); | ||
| $tables = $database->query('SELECT [name], [sql] FROM {sqlite_master} WHERE [type] = "table" AND [name] NOT LIKE "sqlite_%" ORDER BY name'); | ||
| foreach ($tables as $table) { | ||
| $sql .= str_replace('CREATE TABLE ', 'CREATE TABLE IF NOT EXISTS ', $table->sql) . ';' . PHP_EOL; | ||
|
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||
| $columns = array_map( | ||
| static fn (object $row) => "`{$row->name}`", | ||
| $database->query("PRAGMA table_info({$table->name})")->fetchAll() | ||
| ); | ||
| $columns = implode(', ', $columns); | ||
| $sql .= PHP_EOL; | ||
|
|
||
| $rows = $database->select($table->name)->fields($table->name)->execute()->fetchAll(\PDO::FETCH_ASSOC); | ||
| foreach ($rows as $row) { | ||
| $values = implode( | ||
| ', ', | ||
| array: array_map( | ||
| static function ($value) { | ||
| if ($value === NULL) { | ||
| return 'NULL'; | ||
| } | ||
| if ($value === '') { | ||
| return "''"; | ||
| } | ||
| if (is_numeric($value)) { | ||
| return $value; | ||
| } | ||
| if ($value === 'b:0;') { | ||
| return false; | ||
| } | ||
| $is_serialized = $value[1] === ':' && str_ends_with($value, '}'); | ||
|
|
||
| $value = str_replace(["'"], ["''"], $value); | ||
| $value = "'$value'"; | ||
|
|
||
| if ($is_serialized) { | ||
| $value = sprintf( | ||
| "replace(%s, char(1), char(0))", | ||
| str_replace(chr(0), chr(1), $value), | ||
| ); | ||
| } | ||
| return $value; | ||
| }, | ||
| array_values($row) | ||
| ) | ||
| ); | ||
| $sql .= "INSERT INTO {$table->name} VALUES($values);" . PHP_EOL; | ||
| } | ||
|
|
||
| $sql .= PHP_EOL; | ||
| } | ||
|
|
||
| $sql .= 'DELETE FROM sqlite_sequence;' . PHP_EOL; | ||
| $sequences = $database->query('SELECT [name], [seq] FROM sqlite_sequence'); | ||
| foreach ($sequences as $sequence) { | ||
| $sql .= "INSERT INTO sqlite_sequence VALUES('{$sequence->name}',{$sequence->seq});" . PHP_EOL; | ||
| } | ||
|
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| $indexes = $database->query('SELECT [sql] FROM {sqlite_master} WHERE [type] = "index" AND [name] NOT LIKE "sqlite_%" ORDER BY name'); | ||
| foreach ($indexes as $index) { | ||
| $sql .= $index->sql . ';' . PHP_EOL; | ||
| } | ||
|
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| $sql .= 'COMMIT;' . PHP_EOL; | ||
|
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| // TODO support this collation somehow | ||
| // see https://www.drupal.org/project/drupal/issues/3036487 | ||
| $sql = str_replace('NOCASE_UTF8', 'NOCASE', $sql); | ||
|
|
||
| file_put_contents('/persist/dump.sql', $sql); | ||
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NOCASE_UTF8 is added at runtime by Drupal via PDO. I don't think there is any way to support this