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