CreateQuery clickhouse_alias_issue_1 (children 3)
 Identifier clickhouse_alias_issue_1
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType bigint
   ColumnDeclaration column_1 (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Float32
 Storage definition (children 1)
  Function Memory
