CreateQuery test.txt (children 3)
 Identifier test.txt
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration key1 (children 1)
    DataType UInt32
   ColumnDeclaration key2 (children 1)
    DataType UInt32
   ColumnDeclaration value (children 1)
    DataType String
 Storage definition (children 1)
  Function Memory (children 1)
   ExpressionList