CreateQuery t_coalesce (children 3)
 Identifier t_coalesce
 Columns definition (children 1)
  ExpressionList (children 8)
   ColumnDeclaration k (children 1)
    DataType UInt64
   ColumnDeclaration v1 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType String
   ColumnDeclaration v2 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType FixedString (children 1)
         ExpressionList (children 1)
          Literal UInt64_20
   ColumnDeclaration v3 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Array (children 1)
       ExpressionList (children 1)
        DataType String
   ColumnDeclaration v4 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Map (children 1)
       ExpressionList (children 2)
        DataType String
        DataType String
   ColumnDeclaration v5 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType JSON
   ColumnDeclaration v6 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Variant (children 1)
       ExpressionList (children 2)
        DataType String
        DataType UInt64
   ColumnDeclaration v7 (children 1)
    DataType SimpleAggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier anyLast
      DataType Dynamic
 Storage definition (children 2)
  Function AggregatingMergeTree (children 1)
   ExpressionList
  Identifier k
