CreateQuery 01785_db complex_key_source_table (children 4)
 Identifier 01785_db
 Identifier complex_key_source_table
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration id_key (children 1)
    DataType String
   ColumnDeclaration value (children 1)
    DataType String
 Storage definition (children 1)
  Function TinyLog (children 1)
   ExpressionList