CreateQuery test (children 3)
 Identifier test
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration a (children 1)
    DataType UInt32
   ColumnDeclaration json (children 1)
    DataType JSON (children 1)
     ExpressionList (children 1)
      ASTObjectTypeArgument (children 1)
       NameTypePair a (children 1)
        DataType UInt32
   ColumnDeclaration t (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 2)
      NameTypePair a (children 1)
       DataType UInt32
      NameTypePair b (children 1)
       DataType UInt32
  ExpressionList (children 3)
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 1)
      Identifier json
     Identifier json.a
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 1)
      Identifier t
     Identifier t.a
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 1)
      Identifier json
     Identifier json.c.:`Array(JSON)`.d.:`Int64`
 Storage definition (children 3)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
  Set
