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<?php
namespace Doctrine\DBAL\Schema;
use Doctrine\DBAL\DriverManager;
use Doctrine\DBAL\Exception;
use Doctrine\DBAL\Types\StringType;
use Doctrine\DBAL\Types\TextType;
use Doctrine\DBAL\Types\Type;
use function array_change_key_case;
use function array_map;
use function array_merge;
use function array_reverse;
use function array_values;
use function explode;
use function file_exists;
use function preg_match;
use function preg_match_all;
use function preg_quote;
use function preg_replace;
use function rtrim;
use function sprintf;
use function str_replace;
use function strpos;
use function strtolower;
use function trim;
use function unlink;
use function usort;
use const CASE_LOWER;
/**
* Sqlite SchemaManager.
*/
class SqliteSchemaManager extends AbstractSchemaManager
{
/**
* {@inheritdoc}
*/
public function dropDatabase($database)
{
if (! file_exists($database)) {
return;
}
unlink($database);
}
/**
* {@inheritdoc}
*/
public function createDatabase($database)
{
$params = $this->_conn->getParams();
$params['path'] = $database;
unset($params['memory']);
$conn = DriverManager::getConnection($params);
$conn->connect();
$conn->close();
}
/**
* {@inheritdoc}
*/
public function renameTable($name, $newName)
{
$tableDiff = new TableDiff($name);
$tableDiff->fromTable = $this->listTableDetails($name);
$tableDiff->newName = $newName;
$this->alterTable($tableDiff);
}
/**
* {@inheritdoc}
*/
public function createForeignKey(ForeignKeyConstraint $foreignKey, $table)
{
$tableDiff = $this->getTableDiffForAlterForeignKey($table);
$tableDiff->addedForeignKeys[] = $foreignKey;
$this->alterTable($tableDiff);
}
/**
* {@inheritdoc}
*/
public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table)
{
$tableDiff = $this->getTableDiffForAlterForeignKey($table);
$tableDiff->changedForeignKeys[] = $foreignKey;
$this->alterTable($tableDiff);
}
/**
* {@inheritdoc}
*/
public function dropForeignKey($foreignKey, $table)
{
$tableDiff = $this->getTableDiffForAlterForeignKey($table);
$tableDiff->removedForeignKeys[] = $foreignKey;
$this->alterTable($tableDiff);
}
/**
* {@inheritdoc}
*/
public function listTableForeignKeys($table, $database = null)
{
if ($database === null) {
$database = $this->_conn->getDatabase();
}
$sql = $this->_platform->getListTableForeignKeysSQL($table, $database);
$tableForeignKeys = $this->_conn->fetchAllAssociative($sql);
if (! empty($tableForeignKeys)) {
$createSql = $this->getCreateTableSQL($table);
if (
$createSql !== null && preg_match_all(
'#
(?:CONSTRAINT\s+([^\s]+)\s+)?
(?:FOREIGN\s+KEY[^\)]+\)\s*)?
REFERENCES\s+[^\s]+\s+(?:$[^$]+\))?
(?:
[^,]*?
(NOT\s+DEFERRABLE|DEFERRABLE)
(?:\s+INITIALLY\s+(DEFERRED|IMMEDIATE))?
)?#isx',
$createSql,
$match
)
) {
$names = array_reverse($match[1]);
$deferrable = array_reverse($match[2]);
$deferred = array_reverse($match[3]);
} else {
$names = $deferrable = $deferred = [];
}
foreach ($tableForeignKeys as $key => $value) {
$id = $value['id'];
$tableForeignKeys[$key] = array_merge($tableForeignKeys[$key], [
'constraint_name' => isset($names[$id]) && $names[$id] !== '' ? $names[$id] : $id,
'deferrable' => isset($deferrable[$id]) && strtolower($deferrable[$id]) === 'deferrable',
'deferred' => isset($deferred[$id]) && strtolower($deferred[$id]) === 'deferred',
]);
}
}
return $this->_getPortableTableForeignKeysList($tableForeignKeys);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableDefinition($table)
{
return $table['name'];
}
/**
* {@inheritdoc}
*
* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
*/
protected function _getPortableTableIndexesList($tableIndexes, $tableName = null)
{
$indexBuffer = [];
// fetch primary
$indexArray = $this->_conn->fetchAllAssociative(sprintf(
'PRAGMA TABLE_INFO (%s)',
$this->_conn->quote($tableName)
));
usort(
$indexArray,
/**
* @param array<string,mixed> $a
* @param array<string,mixed> $b
*/
static function (array $a, array $b): int {
if ($a['pk'] === $b['pk']) {
return $a['cid'] - $b['cid'];
}
return $a['pk'] - $b['pk'];
}
);
foreach ($indexArray as $indexColumnRow) {
if ($indexColumnRow['pk'] === 0 || $indexColumnRow['pk'] === '0') {
continue;
}
$indexBuffer[] = [
'key_name' => 'primary',
'primary' => true,
'non_unique' => false,
'column_name' => $indexColumnRow['name'],
];
}
// fetch regular indexes
foreach ($tableIndexes as $tableIndex) {
// Ignore indexes with reserved names, e.g. autoindexes
if (strpos($tableIndex['name'], 'sqlite_') === 0) {
continue;
}
$keyName = $tableIndex['name'];
$idx = [];
$idx['key_name'] = $keyName;
$idx['primary'] = false;
$idx['non_unique'] = ! $tableIndex['unique'];
$indexArray = $this->_conn->fetchAllAssociative(sprintf(
'PRAGMA INDEX_INFO (%s)',
$this->_conn->quote($keyName)
));
foreach ($indexArray as $indexColumnRow) {
$idx['column_name'] = $indexColumnRow['name'];
$indexBuffer[] = $idx;
}
}
return parent::_getPortableTableIndexesList($indexBuffer, $tableName);
}
/**
* @deprecated
*
* @param array<string, mixed> $tableIndex
*
* @return array<string, bool|string>
*/
protected function _getPortableTableIndexDefinition($tableIndex)
{
return [
'name' => $tableIndex['name'],
'unique' => (bool) $tableIndex['unique'],
];
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableColumnList($table, $database, $tableColumns)
{
$list = parent::_getPortableTableColumnList($table, $database, $tableColumns);
// find column with autoincrement
$autoincrementColumn = null;
$autoincrementCount = 0;
foreach ($tableColumns as $tableColumn) {
if ($tableColumn['pk'] === 0 || $tableColumn['pk'] === '0') {
continue;
}
$autoincrementCount++;
if ($autoincrementColumn !== null || strtolower($tableColumn['type']) !== 'integer') {
continue;
}
$autoincrementColumn = $tableColumn['name'];
}
if ($autoincrementCount === 1 && $autoincrementColumn !== null) {
foreach ($list as $column) {
if ($autoincrementColumn !== $column->getName()) {
continue;
}
$column->setAutoincrement(true);
}
}
// inspect column collation and comments
$createSql = $this->getCreateTableSQL($table) ?? '';
foreach ($list as $columnName => $column) {
$type = $column->getType();
if ($type instanceof StringType || $type instanceof TextType) {
$column->setPlatformOption(
'collation',
$this->parseColumnCollationFromSQL($columnName, $createSql) ?: 'BINARY'
);
}
$comment = $this->parseColumnCommentFromSQL($columnName, $createSql);
if ($comment === null) {
continue;
}
$type = $this->extractDoctrineTypeFromComment($comment, '');
if ($type !== '') {
$column->setType(Type::getType($type));
$comment = $this->removeDoctrineTypeFromComment($comment, $type);
}
$column->setComment($comment);
}
return $list;
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableColumnDefinition($tableColumn)
{
$parts = explode('(', $tableColumn['type']);
$tableColumn['type'] = trim($parts[0]);
if (isset($parts[1])) {
$length = trim($parts[1], ')');
$tableColumn['length'] = $length;
}
$dbType = strtolower($tableColumn['type']);
$length = $tableColumn['length'] ?? null;
$unsigned = false;
if (strpos($dbType, ' unsigned') !== false) {
$dbType = str_replace(' unsigned', '', $dbType);
$unsigned = true;
}
$fixed = false;
$type = $this->_platform->getDoctrineTypeMapping($dbType);
$default = $tableColumn['dflt_value'];
if ($default === 'NULL') {
$default = null;
}
if ($default !== null) {
// SQLite returns the default value as a literal expression, so we need to parse it
if (preg_match('/^\'(.*)\'$/s', $default, $matches)) {
$default = str_replace("''", "'", $matches[1]);
}
}
$notnull = (bool) $tableColumn['notnull'];
if (! isset($tableColumn['name'])) {
$tableColumn['name'] = '';
}
$precision = null;
$scale = null;
switch ($dbType) {
case 'char':
$fixed = true;
break;
case 'float':
case 'double':
case 'real':
case 'decimal':
case 'numeric':
if (isset($tableColumn['length'])) {
if (strpos($tableColumn['length'], ',') === false) {
$tableColumn['length'] .= ',0';
}
[$precision, $scale] = array_map('trim', explode(',', $tableColumn['length']));
}
$length = null;
break;
}
$options = [
'length' => $length,
'unsigned' => $unsigned,
'fixed' => $fixed,
'notnull' => $notnull,
'default' => $default,
'precision' => $precision,
'scale' => $scale,
'autoincrement' => false,
];
return new Column($tableColumn['name'], Type::getType($type), $options);
}
/**
* {@inheritdoc}
*/
protected function _getPortableViewDefinition($view)
{
return new View($view['name'], $view['sql']);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableForeignKeysList($tableForeignKeys)
{
$list = [];
foreach ($tableForeignKeys as $value) {
$value = array_change_key_case($value, CASE_LOWER);
$name = $value['constraint_name'];
if (! isset($list[$name])) {
if (! isset($value['on_delete']) || $value['on_delete'] === 'RESTRICT') {
$value['on_delete'] = null;
}
if (! isset($value['on_update']) || $value['on_update'] === 'RESTRICT') {
$value['on_update'] = null;
}
$list[$name] = [
'name' => $name,
'local' => [],
'foreign' => [],
'foreignTable' => $value['table'],
'onDelete' => $value['on_delete'],
'onUpdate' => $value['on_update'],
'deferrable' => $value['deferrable'],
'deferred' => $value['deferred'],
];
}
$list[$name]['local'][] = $value['from'];
if ($value['to'] === null) {
continue;
}
$list[$name]['foreign'][] = $value['to'];
}
$result = [];
foreach ($list as $constraint) {
$result[] = new ForeignKeyConstraint(
array_values($constraint['local']),
$constraint['foreignTable'],
array_values($constraint['foreign']),
$constraint['name'],
[
'onDelete' => $constraint['onDelete'],
'onUpdate' => $constraint['onUpdate'],
'deferrable' => $constraint['deferrable'],
'deferred' => $constraint['deferred'],
]
);
}
return $result;
}
/**
* @param Table|string $table
*
* @return TableDiff
*
* @throws Exception
*/
private function getTableDiffForAlterForeignKey($table)
{
if (! $table instanceof Table) {
$tableDetails = $this->tryMethod('listTableDetails', $table);
if ($tableDetails === false) {
throw new Exception(
sprintf('Sqlite schema manager requires to modify foreign keys table definition "%s".', $table)
);
}
$table = $tableDetails;
}
$tableDiff = new TableDiff($table->getName());
$tableDiff->fromTable = $table;
return $tableDiff;
}
private function parseColumnCollationFromSQL(string $column, string $sql): ?string
{
$pattern = '{(?:\W' . preg_quote($column) . '\W|\W'
. preg_quote($this->_platform->quoteSingleIdentifier($column))
. '\W)[^,(]+(?:$[^()]+$[^,]*)?(?:(?:DEFAULT|CHECK)\s*(?:$.*?$)?[^,]*)*COLLATE\s+["\']?([^\s,"\')]+)}is';
if (preg_match($pattern, $sql, $match) !== 1) {
return null;
}
return $match[1];
}
private function parseTableCommentFromSQL(string $table, string $sql): ?string
{
$pattern = '/\s* # Allow whitespace characters at start of line
CREATE\sTABLE # Match "CREATE TABLE"
(?:\W"' . preg_quote($this->_platform->quoteSingleIdentifier($table), '/') . '"\W|\W' . preg_quote($table, '/')
. '\W) # Match table name (quoted and unquoted)
( # Start capture
(?:\s*--[^\n]*\n?)+ # Capture anything that starts with whitespaces followed by -- until the end of the line(s)
)/ix';
if (preg_match($pattern, $sql, $match) !== 1) {
return null;
}
$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
return $comment === '' ? null : $comment;
}
private function parseColumnCommentFromSQL(string $column, string $sql): ?string
{
$pattern = '{[\s(,](?:\W' . preg_quote($this->_platform->quoteSingleIdentifier($column))
. '\W|\W' . preg_quote($column) . '\W)(?:$[^)]*?$|[^,(])*?,?((?:(?!\n))(?:\s*--[^\n]*\n?)+)}i';
if (preg_match($pattern, $sql, $match) !== 1) {
return null;
}
$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
return $comment === '' ? null : $comment;
}
private function getCreateTableSQL(string $table): ?string
{
return $this->_conn->fetchColumn(
<<<'SQL'
SELECT sql
FROM (
SELECT *
FROM sqlite_master
UNION ALL
SELECT *
FROM sqlite_temp_master
)
WHERE type = 'table'
AND name = ?
SQL
,
[$table]
) ?: null;
}
/**
* @param string $name
*/
public function listTableDetails($name): Table
{
$table = parent::listTableDetails($name);
$tableCreateSql = $this->getCreateTableSQL($name) ?? '';
$comment = $this->parseTableCommentFromSQL($name, $tableCreateSql);
if ($comment !== null) {
$table->addOption('comment', $comment);
}
return $table;
}
}

vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/SqliteSchemaManager.php line 288