Parser::DropUserStmt Class Reference

#include <ParserNode.h>

Inheritance diagram for Parser::DropUserStmt:

Collaboration diagram for Parser::DropUserStmt:

Public Member Functions
	DropUserStmt (const rapidjson::Value &payload)
	DropUserStmt (std::string *n, bool e)
auto const &	getUserName ()
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 >	user_name_
bool	if_exists_

Detailed Description

Definition at line 2017 of file ParserNode.h.

Constructor & Destructor Documentation

Parser::DropUserStmt::DropUserStmt

(

const rapidjson::Value &

payload

)

Definition at line 6746 of file ParserNode.cpp.

References CHECK, if_exists_, json_bool(), json_str(), and user_name_.

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

  if_exists_ = false;
  if (payload.HasMember("ifExists")) {
    if_exists_ = json_bool(payload["ifExists"]);
  }
}

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Parser::DropUserStmt::DropUserStmt ( std::string *  n, bool  e  )

inline

Definition at line 2020 of file ParserNode.h.

: user_name_(n), if_exists_(e) {}

Member Function Documentation

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

overridevirtual

Implements Parser::DDLStmt.

Definition at line 6756 of file ParserNode.cpp.

References Catalog_Namespace::SessionInfo::get_currentUser(), if_exists_, Catalog_Namespace::UserMetadata::isSuper, and user_name_.

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

                                                {
  if (read_only_mode) {
    throw std::runtime_error("DROP USER invalid in read only mode.");
  }
  if (!session.get_currentUser().isSuper) {
    throw std::runtime_error("Only super user can drop users.");
  }

  // Test to see if the user does not exist *and* if_exists_ flag set
  Catalog_Namespace::UserMetadata user;
  if (if_exists_ && !SysCatalog::instance().getMetadataForUser(*user_name_, user))
    return;

  SysCatalog::instance().dropUser(*user_name_);
}

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auto const& Parser::DropUserStmt::getUserName ( )

inline

Definition at line 2021 of file ParserNode.h.

References user_name_.

{ return user_name_; }

Member Data Documentation

bool Parser::DropUserStmt::if_exists_

private

Definition at line 2027 of file ParserNode.h.

Referenced by DropUserStmt(), and execute().

std::unique_ptr<std::string> Parser::DropUserStmt::user_name_

private

Definition at line 2026 of file ParserNode.h.

Referenced by DropUserStmt(), execute(), and getUserName().

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The documentation for this class was generated from the following files:

• /home/jenkins-slave/workspace/core-os-doxygen/Parser/ParserNode.h
• /home/jenkins-slave/workspace/core-os-doxygen/Parser/ParserNode.cpp