CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType UInt32
   ColumnDeclaration value (children 1)
    DataType Decimal (children 1)
     ExpressionList (children 2)
      Literal UInt64_16
      Literal UInt64_6
 Storage definition (children 2)
  Function SummingMergeTree (children 1)
   ExpressionList
  Identifier key
