Module: ClickHouse::Extend::ConnectionSelective

Included in:
Connection
Defined in:
lib/click_house/extend/connection_selective.rb

Instance Method Summary collapse

Instance Method Details

#select_all(sql) ⇒ ResultSet

Returns:

  • (ResultSet) 


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# File 'lib/click_house/extend/connection_selective.rb', line 7

def select_all(sql)
  response = execute(Util::Statement.format(sql, 'JSON'))
  Response::Factory[response]
end

#select_one(sql) ⇒ Object 



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# File 'lib/click_house/extend/connection_selective.rb', line 17

def select_one(sql)
  response = execute(Util::Statement.format(sql, 'JSON'))
  Response::Factory[response].first
end

#select_value(sql) ⇒ Object 



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# File 'lib/click_house/extend/connection_selective.rb', line 12

def select_value(sql)
  response = execute(Util::Statement.format(sql, 'JSON'))
  Array(Response::Factory[response].first).dig(0, -1)
end