CreateQuery test_inserts (children 3)
 Identifier test_inserts
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType Int
   ColumnDeclaration part (children 1)
    DataType Int
 Storage definition (children 4)
  Function MergeTree
  Identifier part
  Identifier key
  Set
