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<?php
namespace Doctrine\DBAL\Schema;
use Doctrine\DBAL\DriverManager;
use Doctrine\DBAL\Exception;
use Doctrine\DBAL\Platforms\SQLite;
use Doctrine\DBAL\Platforms\SqlitePlatform;
use Doctrine\DBAL\Result;
use Doctrine\DBAL\Types\StringType;
use Doctrine\DBAL\Types\TextType;
use Doctrine\DBAL\Types\Type;
use Doctrine\Deprecations\Deprecation;
use function array_change_key_case;
use function array_map;
use function array_merge;
use function count;
use function explode;
use function file_exists;
use function implode;
use function preg_match;
use function preg_match_all;
use function preg_quote;
use function preg_replace;
use function rtrim;
use function str_replace;
use function strcasecmp;
use function strpos;
use function strtolower;
use function trim;
use function unlink;
use function usort;
use const CASE_LOWER;
/**
* Sqlite SchemaManager.
*
* @extends AbstractSchemaManager<SqlitePlatform>
*/
class SqliteSchemaManager extends AbstractSchemaManager
{
/**
* {@inheritDoc}
*/
public function listTableNames()
{
return $this->doListTableNames();
}
/**
* {@inheritDoc}
*/
public function listTables()
{
return $this->doListTables();
}
/**
* {@inheritDoc}
*
* @deprecated Use {@see introspectTable()} instead.
*/
public function listTableDetails($name)
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5595',
'%s is deprecated. Use introspectTable() instead.',
__METHOD__,
);
return $this->doListTableDetails($name);
}
/**
* {@inheritDoc}
*/
public function listTableColumns($table, $database = null)
{
return $this->doListTableColumns($table, $database);
}
/**
* {@inheritDoc}
*/
public function listTableIndexes($table)
{
return $this->doListTableIndexes($table);
}
/**
* {@inheritDoc}
*/
protected function fetchForeignKeyColumnsByTable(string $databaseName): array
{
$columnsByTable = parent::fetchForeignKeyColumnsByTable($databaseName);
if (count($columnsByTable) > 0) {
foreach ($columnsByTable as $table => $columns) {
$columnsByTable[$table] = $this->addDetailsToTableForeignKeyColumns($table, $columns);
}
}
return $columnsByTable;
}
/**
* {@inheritdoc}
*
* @deprecated Delete the database file using the filesystem.
*/
public function dropDatabase($database)
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4963',
'SqliteSchemaManager::dropDatabase() is deprecated. Delete the database file using the filesystem.',
);
if (! file_exists($database)) {
return;
}
unlink($database);
}
/**
* {@inheritdoc}
*
* @deprecated The engine will create the database file automatically.
*/
public function createDatabase($database)
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/issues/4963',
'SqliteSchemaManager::createDatabase() is deprecated.'
. ' The engine will create the database file automatically.',
);
$params = $this->_conn->getParams();
$params['path'] = $database;
unset($params['memory']);
$conn = DriverManager::getConnection($params);
$conn->connect();
$conn->close();
}
/**
* {@inheritdoc}
*/
public function createForeignKey(ForeignKeyConstraint $foreignKey, $table)
{
if (! $table instanceof Table) {
$table = $this->listTableDetails($table);
}
$this->alterTable(new TableDiff($table->getName(), [], [], [], [], [], [], $table, [$foreignKey]));
}
/**
* {@inheritdoc}
*
* @deprecated Use {@see dropForeignKey()} and {@see createForeignKey()} instead.
*/
public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table)
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/4897',
'SqliteSchemaManager::dropAndCreateForeignKey() is deprecated.'
. ' Use SqliteSchemaManager::dropForeignKey() and SqliteSchemaManager::createForeignKey() instead.',
);
if (! $table instanceof Table) {
$table = $this->listTableDetails($table);
}
$this->alterTable(new TableDiff($table->getName(), [], [], [], [], [], [], $table, [], [$foreignKey]));
}
/**
* {@inheritdoc}
*/
public function dropForeignKey($foreignKey, $table)
{
if (! $table instanceof Table) {
$table = $this->listTableDetails($table);
}
$this->alterTable(new TableDiff($table->getName(), [], [], [], [], [], [], $table, [], [], [$foreignKey]));
}
/**
* {@inheritdoc}
*/
public function listTableForeignKeys($table, $database = null)
{
$table = $this->normalizeName($table);
$columns = $this->selectForeignKeyColumns('', $table)
->fetchAllAssociative();
if (count($columns) > 0) {
$columns = $this->addDetailsToTableForeignKeyColumns($table, $columns);
}
return $this->_getPortableTableForeignKeysList($columns);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableDefinition($table)
{
return $table['table_name'];
}
/**
* {@inheritdoc}
*
* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
*/
protected function _getPortableTableIndexesList($tableIndexes, $tableName = null)
{
$indexBuffer = [];
// fetch primary
$indexArray = $this->_conn->fetchAllAssociative('SELECT * FROM PRAGMA_TABLE_INFO (?)', [$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 = $this->_conn->fetchAllAssociative('SELECT * FROM PRAGMA_INDEX_INFO (?)', [$keyName]);
foreach ($indexArray as $indexColumnRow) {
$idx['column_name'] = $indexColumnRow['name'];
$indexBuffer[] = $idx;
}
}
return parent::_getPortableTableIndexesList($indexBuffer, $tableName);
}
/**
* {@inheritdoc}
*/
protected function _getPortableTableColumnList($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) === 1) {
$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);
$id = $value['id'];
if (! isset($list[$id])) {
if (! isset($value['on_delete']) || $value['on_delete'] === 'RESTRICT') {
$value['on_delete'] = null;
}
if (! isset($value['on_update']) || $value['on_update'] === 'RESTRICT') {
$value['on_update'] = null;
}
$list[$id] = [
'name' => $value['constraint_name'],
'local' => [],
'foreign' => [],
'foreignTable' => $value['table'],
'onDelete' => $value['on_delete'],
'onUpdate' => $value['on_update'],
'deferrable' => $value['deferrable'],
'deferred' => $value['deferred'],
];
}
$list[$id]['local'][] = $value['from'];
if ($value['to'] === null) {
continue;
}
$list[$id]['foreign'][] = $value['to'];
}
return parent::_getPortableTableForeignKeysList($list);
}
/**
* {@inheritDoc}
*/
protected function _getPortableTableForeignKeyDefinition($tableForeignKey): ForeignKeyConstraint
{
return new ForeignKeyConstraint(
$tableForeignKey['local'],
$tableForeignKey['foreignTable'],
$tableForeignKey['foreign'],
$tableForeignKey['name'],
[
'onDelete' => $tableForeignKey['onDelete'],
'onUpdate' => $tableForeignKey['onUpdate'],
'deferrable' => $tableForeignKey['deferrable'],
'deferred' => $tableForeignKey['deferred'],
],
);
}
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;
}
/** @throws Exception */
private function getCreateTableSQL(string $table): string
{
$sql = $this->_conn->fetchOne(
<<<'SQL'
SELECT sql
FROM (
SELECT *
FROM sqlite_master
UNION ALL
SELECT *
FROM sqlite_temp_master
)
WHERE type = 'table'
AND name = ?
SQL
,
[$table],
);
if ($sql !== false) {
return $sql;
}
return '';
}
/**
* @param list<array<string,mixed>> $columns
*
* @return list<array<string,mixed>>
*
* @throws Exception
*/
private function addDetailsToTableForeignKeyColumns(string $table, array $columns): array
{
$foreignKeyDetails = $this->getForeignKeyDetails($table);
$foreignKeyCount = count($foreignKeyDetails);
foreach ($columns as $i => $column) {
// SQLite identifies foreign keys in reverse order of appearance in SQL
$columns[$i] = array_merge($column, $foreignKeyDetails[$foreignKeyCount - $column['id'] - 1]);
}
return $columns;
}
/**
* @param string $table
*
* @return list<array<string, mixed>>
*
* @throws Exception
*/
private function getForeignKeyDetails($table)
{
$createSql = $this->getCreateTableSQL($table);
if (
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,
) === 0
) {
return [];
}
$names = $match[1];
$deferrable = $match[2];
$deferred = $match[3];
$details = [];
for ($i = 0, $count = count($match[0]); $i < $count; $i++) {
$details[] = [
'constraint_name' => isset($names[$i]) && $names[$i] !== '' ? $names[$i] : null,
'deferrable' => isset($deferrable[$i]) && strcasecmp($deferrable[$i], 'deferrable') === 0,
'deferred' => isset($deferred[$i]) && strcasecmp($deferred[$i], 'deferred') === 0,
];
}
return $details;
}
public function createComparator(): Comparator
{
return new SQLite\Comparator($this->_platform);
}
/**
* {@inheritDoc}
*
* @deprecated
*/
public function getSchemaSearchPaths()
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/4821',
'SqliteSchemaManager::getSchemaSearchPaths() is deprecated.',
);
// SQLite does not support schemas or databases
return [];
}
protected function selectTableNames(string $databaseName): Result
{
$sql = <<<'SQL'
SELECT name AS table_name
FROM sqlite_master
WHERE type = 'table'
AND name != 'sqlite_sequence'
AND name != 'geometry_columns'
AND name != 'spatial_ref_sys'
UNION ALL
SELECT name
FROM sqlite_temp_master
WHERE type = 'table'
ORDER BY name
SQL;
return $this->_conn->executeQuery($sql);
}
protected function selectTableColumns(string $databaseName, ?string $tableName = null): Result
{
$sql = <<<'SQL'
SELECT t.name AS table_name,
c.*
FROM sqlite_master t
JOIN pragma_table_info(t.name) c
SQL;
$conditions = [
"t.type = 'table'",
"t.name NOT IN ('geometry_columns', 'spatial_ref_sys', 'sqlite_sequence')",
];
$params = [];
if ($tableName !== null) {
$conditions[] = 't.name = ?';
$params[] = str_replace('.', '__', $tableName);
}
$sql .= ' WHERE ' . implode(' AND ', $conditions) . ' ORDER BY t.name, c.cid';
return $this->_conn->executeQuery($sql, $params);
}
protected function selectIndexColumns(string $databaseName, ?string $tableName = null): Result
{
$sql = <<<'SQL'
SELECT t.name AS table_name,
i.*
FROM sqlite_master t
JOIN pragma_index_list(t.name) i
SQL;
$conditions = [
"t.type = 'table'",
"t.name NOT IN ('geometry_columns', 'spatial_ref_sys', 'sqlite_sequence')",
];
$params = [];
if ($tableName !== null) {
$conditions[] = 't.name = ?';
$params[] = str_replace('.', '__', $tableName);
}
$sql .= ' WHERE ' . implode(' AND ', $conditions) . ' ORDER BY t.name, i.seq';
return $this->_conn->executeQuery($sql, $params);
}
protected function selectForeignKeyColumns(string $databaseName, ?string $tableName = null): Result
{
$sql = <<<'SQL'
SELECT t.name AS table_name,
p.*
FROM sqlite_master t
JOIN pragma_foreign_key_list(t.name) p
ON p."seq" != "-1"
SQL;
$conditions = [
"t.type = 'table'",
"t.name NOT IN ('geometry_columns', 'spatial_ref_sys', 'sqlite_sequence')",
];
$params = [];
if ($tableName !== null) {
$conditions[] = 't.name = ?';
$params[] = str_replace('.', '__', $tableName);
}
$sql .= ' WHERE ' . implode(' AND ', $conditions) . ' ORDER BY t.name, p.id DESC, p.seq';
return $this->_conn->executeQuery($sql, $params);
}
/**
* {@inheritDoc}
*/
protected function fetchTableOptionsByTable(string $databaseName, ?string $tableName = null): array
{
if ($tableName === null) {
$tables = $this->listTableNames();
} else {
$tables = [$tableName];
}
$tableOptions = [];
foreach ($tables as $table) {
$comment = $this->parseTableCommentFromSQL($table, $this->getCreateTableSQL($table));
if ($comment === null) {
continue;
}
$tableOptions[$table]['comment'] = $comment;
}
return $tableOptions;
}
}
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