CreateQuery t_json_attach_partition (children 3)
 Identifier t_json_attach_partition
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration b (children 1)
    DataType UInt64
   ColumnDeclaration c (children 1)
    DataType JSON
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
