CreateQuery test_improve_prewhere (children 3)
 Identifier test_improve_prewhere
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration primary_key (children 2)
    DataType String
    Function STATISTICS (children 1)
     ExpressionList (children 1)
      Function CountMin
   ColumnDeclaration normal_column (children 2)
    DataType String
    Function STATISTICS (children 1)
     ExpressionList (children 1)
      Function CountMin
   ColumnDeclaration value (children 2)
    DataType UInt32
    Function STATISTICS (children 1)
     ExpressionList (children 1)
      Function TDigest
   ColumnDeclaration date (children 2)
    DataType Date
    Function STATISTICS (children 1)
     ExpressionList (children 1)
      Function CountMin
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier primary_key
