CreateQuery json_test (children 3)
 Identifier json_test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType String
   ColumnDeclaration json (children 1)
    DataType JSON (children 1)
     ExpressionList (children 1)
      ASTObjectTypeArgument (children 1)
       NameTypePair foo (children 1)
        DataType Variant (children 1)
         ExpressionList (children 2)
          DataType String
          DataType Array (children 1)
           ExpressionList (children 1)
            DataType String
 Storage definition (children 4)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 2)
    Literal \'/clickhouse/tables/{database}/json_test\'
    Literal \'1\'
  Function tuple (children 1)
   ExpressionList
  Identifier id
  Set
