Ubuntu

getTableEngine(); $charset = $this->getUsedCharset(); $collation = $this->getUsedCollation(); $rowFormat = $this->getTableRowFormat(); if ('utf8mb4' === $charset && '' === $collation) { $collation = 'utf8mb4_0900_ai_ci'; } $options = "ENGINE={$engine} DEFAULT CHARSET={$charset}"; if ('' !== $collation) { $options .= " COLLATE={$collation}"; } if ('' !== $rowFormat) { $options .= " {$rowFormat}"; } return $options; } public function isOptimizeInnoDBSupported() : bool { return \false; } public function optimizeTables(array $tables, bool $force = \false) : bool { // OPTIMIZE TABLE not supported for TiDb return \false; } public function supportsSortingInSubquery() : bool { // TiDb optimizer removes all sorting from subqueries return \false; } public function getSupportedReadIsolationTransactionLevel() : string { // TiDB doesn't support READ UNCOMMITTED return 'READ COMMITTED'; } public function hasReachedEOL() : bool { // ignore in EOL checks return \false; } }