CreateQuery range_dictionary_source_table (children 3)
 Identifier range_dictionary_source_table
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration start (children 1)
    DataType Date
   ColumnDeclaration end (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Date
   ColumnDeclaration val (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType UInt64
 Storage definition (children 1)
  Function TinyLog
