CreateQuery test_performance_duplicates (children 3)
 Identifier test_performance_duplicates
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration category (children 1)
    DataType UInt32
   ColumnDeclaration name (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList (children 3)
    Identifier category
    Identifier category
    Identifier category
  Identifier name
