Parser::RenameColumnStmt Class Reference

#include <ParserNode.h>

Inheritance diagram for Parser::RenameColumnStmt:

Collaboration diagram for Parser::RenameColumnStmt:

Public Member Functions
	RenameColumnStmt (std::string *tab, std::string *col, std::string *new_col_name)
void	execute (const Catalog_Namespace::SessionInfo &session) 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 >	table
std::unique_ptr< std::string >	column
std::unique_ptr< std::string >	new_column_name

Detailed Description

Definition at line 1281 of file ParserNode.h.

Constructor & Destructor Documentation

RenameColumnStmt()

Parser::RenameColumnStmt::RenameColumnStmt ( std::string *  tab, std::string *  col, std::string *  new_col_name  )

inline

Definition at line 1283 of file ParserNode.h.

      : table(tab), column(col), new_column_name(new_col_name) {}

Member Function Documentation

execute()

void Parser::RenameColumnStmt::execute ( const Catalog_Namespace::SessionInfo &  session )

overridevirtual

Implements Parser::DDLStmt.

Definition at line 3525 of file ParserNode.cpp.

References CHECK, Parser::check_alter_table_privilege(), and Catalog_Namespace::SessionInfo::getCatalog().

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

                                                                          {
  auto& catalog = session.getCatalog();

  const auto td_with_lock =
      lockmgr::TableSchemaLockContainer<lockmgr::WriteLock>::acquireTableDescriptor(
          catalog, *table, false);
  const auto td = td_with_lock();
  CHECK(td);

  check_alter_table_privilege(session, td);
  const ColumnDescriptor* cd = catalog.getMetadataForColumn(td->tableId, *column);
  if (cd == nullptr) {
    throw std::runtime_error("Column " + *column + " does not exist.");
  }
  if (catalog.getMetadataForColumn(td->tableId, *new_column_name) != nullptr) {
    throw std::runtime_error("Column " + *new_column_name + " already exists.");
  }
  catalog.renameColumn(td, cd, *new_column_name);
}

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Member Data Documentation

column

std::unique_ptr<std::string> Parser::RenameColumnStmt::column

private

Definition at line 1289 of file ParserNode.h.

new_column_name

std::unique_ptr<std::string> Parser::RenameColumnStmt::new_column_name

private

Definition at line 1290 of file ParserNode.h.

table

std::unique_ptr<std::string> Parser::RenameColumnStmt::table

private

Definition at line 1288 of file ParserNode.h.

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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