CreateQuery cdp_segments (children 3)
 Identifier cdp_segments
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration seg_id (children 1)
    DataType String
   ColumnDeclaration mid_seqs (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Identifier groupBitmap
      DataType UInt32
 Storage definition (children 2)
  Function ReplacingMergeTree (children 1)
   ExpressionList
  Identifier seg_id
