CreateQuery ttttttt (children 3)
 Identifier ttttttt
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration timestamp (children 1)
    DataType DateTime
   ColumnDeclaration col1 (children 1)
    DataType Float64
   ColumnDeclaration col2 (children 1)
    DataType Float64
   ColumnDeclaration col3 (children 1)
    DataType Float64
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList
