CreateQuery cdp_customers (children 3)
 Identifier cdp_customers
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration mid (children 1)
    DataType String
   ColumnDeclaration mid_seq (children 1)
    DataType UInt32
 Storage definition (children 2)
  Function ReplacingMergeTree (children 1)
   ExpressionList
  Identifier mid_seq
