CreateQuery kv (children 3)
 Identifier kv
 Columns definition (children 1)
  ExpressionList (children 6)
   ColumnDeclaration key (children 1)
    DataType int
   ColumnDeclaration v1 (children 1)
    DataType int
   ColumnDeclaration v2 (children 1)
    DataType int
   ColumnDeclaration v3 (children 1)
    DataType int
   ColumnDeclaration v4 (children 1)
    DataType int
   ColumnDeclaration v5 (children 1)
    DataType int
 Storage definition (children 2)
  Function MergeTree
  Identifier key