CreateQuery sc_core (children 3)
 Identifier sc_core
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration k (children 1)
    DataType UInt32
   ColumnDeclaration v (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Float64
 Storage definition (children 3)
  Function MergeTree
  Identifier k
  Set
