#include <ParserNode.h>

Inheritance diagram for Parser::RenameDBStmt:

Collaboration diagram for Parser::RenameDBStmt:

Public Member Functions
	RenameDBStmt (const rapidjson::Value &payload)

	RenameDBStmt (std::string database_name, std::string new_database_name)

auto const &	getPreviousDatabaseName ()

auto const &	getNewDatabaseName ()

void	execute (const Catalog_Namespace::SessionInfo &session, bool read_only_mode) override

Public Member Functions inherited from Parser::DDLStmt
void	setColumnDescriptor (ColumnDescriptor &cd, const ColumnDef *coldef)

Public Member Functions inherited from Parser::Node
virtual	~Node ()

Private Attributes
std::unique_ptr< std::string >	database_name_

std::unique_ptr< std::string >	new_database_name_

Detailed Description

Definition at line 1305 of file ParserNode.h.

Constructor & Destructor Documentation

Parser::RenameDBStmt::RenameDBStmt ( const rapidjson::Value & payload )

Definition at line 4795 of file ParserNode.cpp.

References CHECK, database_name_, json_str(), and new_database_name_.

                                                         {
   CHECK(payload.HasMember("name"));
   database_name_ = std::make_unique<std::string>(json_str(payload["name"]));
   CHECK(payload.HasMember("newName"));
   new_database_name_ = std::make_unique<std::string>(json_str(payload["newName"]));
 }

Here is the call graph for this function:

Parser::RenameDBStmt::RenameDBStmt	(	std::string *	database_name,
		std::string *	new_database_name
	)

inline

Definition at line 1309 of file ParserNode.h.

1310 : database_name_(database_name), new_database_name_(new_database_name) {}

Parser::RenameDBStmt::new_database_name_

std::unique_ptr< std::string > new_database_name_

Definition: ParserNode.h:1319

Parser::RenameDBStmt::database_name_

std::unique_ptr< std::string > database_name_

Definition: ParserNode.h:1318

Member Function Documentation

void Parser::RenameDBStmt::execute	(	const Catalog_Namespace::SessionInfo &	session,
		bool	read_only_mode
	)

overridevirtual

Implements Parser::DDLStmt.

Definition at line 4802 of file ParserNode.cpp.

References database_name_, Catalog_Namespace::DBMetadata::dbOwner, legacylockmgr::ExecutorOuterLock, Catalog_Namespace::SessionInfo::get_currentUser(), legacylockmgr::LockMgr< MutexType, KeyType >::getMutex(), Catalog_Namespace::UserMetadata::isSuper, new_database_name_, and Catalog_Namespace::UserMetadata::userId.

Referenced by heavydb.cursor.Cursor::executemany().

                                                 {
   if (read_only_mode) {
     throw std::runtime_error("RENAME DATABASE invalid in read only mode.");
   }
   Catalog_Namespace::DBMetadata db;
 
   // TODO: use database lock instead
   const auto execute_write_lock =
       heavyai::unique_lock<legacylockmgr::WrapperType<heavyai::shared_mutex>>(
           *legacylockmgr::LockMgr<heavyai::shared_mutex, bool>::getMutex(
               legacylockmgr::ExecutorOuterLock, true));
 
   if (!SysCatalog::instance().getMetadataForDB(*database_name_, db)) {
     throw std::runtime_error("Database " + *database_name_ + " does not exist.");
   }
 
   if (!session.get_currentUser().isSuper &&
       session.get_currentUser().userId != db.dbOwner) {
     throw std::runtime_error("Only a super user or the owner can rename the database.");
   }
 
   SysCatalog::instance().renameDatabase(*database_name_, *new_database_name_);
 }