CreateQuery dictionary_source_table (children 3)
 Identifier dictionary_source_table
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration start (children 1)
    DataType UInt64
   ColumnDeclaration end (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
 Storage definition (children 1)
  Function TinyLog
