CreateQuery test_insert_t1 (children 3)
 Identifier test_insert_t1
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration dt (children 1)
    DataType Date
   ColumnDeclaration uid (children 1)
    DataType String
   ColumnDeclaration name (children 1)
    DataType String
   ColumnDeclaration city (children 1)
    DataType String
 Storage definition (children 4)
  Function MergeTree
  Function toYYYYMMDD (children 1)
   ExpressionList (children 1)
    Identifier dt
  Identifier name
  Set